./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.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 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:30:50,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:30:50,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:30:50,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:30:50,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:30:50,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:30:50,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:30:50,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:30:50,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:30:50,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:30:50,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:30:50,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:30:50,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:30:50,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:30:50,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:30:50,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:30:50,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:30:50,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:30:50,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:30:50,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:30:50,632 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:30:50,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:30:50,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:30:50,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:30:50,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:30:50,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:30:50,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:30:50,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:30:50,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:30:50,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:30:50,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:30:50,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:30:50,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:30:50,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:30:50,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:30:50,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:30:50,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:30:50,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:30:50,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:30:50,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:30:50,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:30:50,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:30:50,654 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:30:50,681 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:30:50,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:30:50,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:30:50,683 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:30:50,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:30:50,684 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:30:50,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:30:50,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:30:50,685 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:30:50,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:30:50,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:30:50,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:30:50,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:30:50,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:30:50,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:30:50,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:30:50,688 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:30:50,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:30:50,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:30:50,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:30:50,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:30:50,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:30:50,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:30:50,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:30:50,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:30:50,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:30:50,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:30:50,690 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:30:50,690 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:30:50,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:30:50,691 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2022-07-23 02:30:50,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:30:50,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:30:50,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:30:50,955 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:30:50,956 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:30:50,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-23 02:30:51,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/014b8e3b6/bcedd2a60aad4fccb69c8de62ff4b894/FLAG3486a9d46 [2022-07-23 02:30:51,806 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:30:51,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-23 02:30:51,888 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/014b8e3b6/bcedd2a60aad4fccb69c8de62ff4b894/FLAG3486a9d46 [2022-07-23 02:30:52,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/014b8e3b6/bcedd2a60aad4fccb69c8de62ff4b894 [2022-07-23 02:30:52,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:30:52,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:30:52,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:30:52,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:30:52,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:30:52,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:30:52" (1/1) ... [2022-07-23 02:30:52,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72638d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:52, skipping insertion in model container [2022-07-23 02:30:52,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:30:52" (1/1) ... [2022-07-23 02:30:52,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:30:52,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:30:56,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-07-23 02:30:56,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-07-23 02:30:56,190 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-07-23 02:30:56,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-07-23 02:30:56,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:30:56,291 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:30:56,475 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: cmd = (unsigned int )cmd & 64510U [8463] 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) [2022-07-23 02:30:56,483 INFO L158 Benchmark]: Toolchain (without parser) took 4449.56ms. Allocated memory was 121.6MB in the beginning and 192.9MB in the end (delta: 71.3MB). Free memory was 90.3MB in the beginning and 95.9MB in the end (delta: -5.6MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2022-07-23 02:30:56,484 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 02:30:56,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4447.65ms. Allocated memory was 121.6MB in the beginning and 192.9MB in the end (delta: 71.3MB). Free memory was 90.3MB in the beginning and 95.9MB in the end (delta: -5.6MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2022-07-23 02:30:56,487 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4447.65ms. Allocated memory was 121.6MB in the beginning and 192.9MB in the end (delta: 71.3MB). Free memory was 90.3MB in the beginning and 95.9MB in the end (delta: -5.6MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: cmd = (unsigned int )cmd & 64510U [8463] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: cmd = (unsigned int )cmd & 64510U [8463]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.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 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:30:58,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:30:58,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:30:58,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:30:58,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:30:58,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:30:58,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:30:58,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:30:58,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:30:58,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:30:58,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:30:58,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:30:58,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:30:58,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:30:58,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:30:58,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:30:58,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:30:58,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:30:58,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:30:58,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:30:58,313 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:30:58,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:30:58,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:30:58,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:30:58,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:30:58,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:30:58,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:30:58,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:30:58,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:30:58,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:30:58,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:30:58,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:30:58,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:30:58,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:30:58,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:30:58,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:30:58,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:30:58,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:30:58,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:30:58,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:30:58,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:30:58,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:30:58,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 02:30:58,376 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:30:58,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:30:58,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:30:58,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:30:58,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:30:58,378 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:30:58,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:30:58,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:30:58,379 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:30:58,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:30:58,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:30:58,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:30:58,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:30:58,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:30:58,381 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 02:30:58,381 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 02:30:58,382 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 02:30:58,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:30:58,382 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:30:58,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:30:58,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:30:58,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:30:58,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:30:58,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:30:58,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:30:58,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:30:58,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:30:58,384 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 02:30:58,384 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 02:30:58,384 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:30:58,385 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:30:58,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:30:58,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 02:30:58,385 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2022-07-23 02:30:58,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:30:58,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:30:58,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:30:58,731 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:30:58,731 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:30:58,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-23 02:30:58,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67fb01c76/5c810ce4c20d461c80b356238f0776d5/FLAG189c3333f [2022-07-23 02:30:59,705 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:30:59,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-23 02:30:59,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67fb01c76/5c810ce4c20d461c80b356238f0776d5/FLAG189c3333f [2022-07-23 02:31:00,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67fb01c76/5c810ce4c20d461c80b356238f0776d5 [2022-07-23 02:31:00,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:31:00,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:31:00,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:31:00,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:31:00,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:31:00,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:31:00" (1/1) ... [2022-07-23 02:31:00,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a341964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:00, skipping insertion in model container [2022-07-23 02:31:00,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:31:00" (1/1) ... [2022-07-23 02:31:00,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:31:00,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:31:04,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-07-23 02:31:04,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-07-23 02:31:04,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-07-23 02:31:04,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-07-23 02:31:04,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:31:04,902 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 02:31:04,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:31:05,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-07-23 02:31:05,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-07-23 02:31:05,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-07-23 02:31:05,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-07-23 02:31:05,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:31:05,416 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:31:05,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-07-23 02:31:05,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-07-23 02:31:05,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-07-23 02:31:05,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-07-23 02:31:05,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:31:06,251 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:31:06,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:06 WrapperNode [2022-07-23 02:31:06,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:31:06,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:31:06,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:31:06,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:31:06,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:06" (1/1) ... [2022-07-23 02:31:06,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:06" (1/1) ... [2022-07-23 02:31:06,614 INFO L137 Inliner]: procedures = 640, calls = 3468, calls flagged for inlining = 312, calls inlined = 276, statements flattened = 7724 [2022-07-23 02:31:06,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:31:06,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:31:06,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:31:06,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:31:06,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:06" (1/1) ... [2022-07-23 02:31:06,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:06" (1/1) ... [2022-07-23 02:31:06,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:06" (1/1) ... [2022-07-23 02:31:06,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:06" (1/1) ... [2022-07-23 02:31:06,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:06" (1/1) ... [2022-07-23 02:31:06,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:06" (1/1) ... [2022-07-23 02:31:07,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:06" (1/1) ... [2022-07-23 02:31:07,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:31:07,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:31:07,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:31:07,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:31:07,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:06" (1/1) ... [2022-07-23 02:31:07,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:31:07,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:31:07,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 02:31:07,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 02:31:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 02:31:07,136 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 02:31:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 02:31:07,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 02:31:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-07-23 02:31:07,136 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-07-23 02:31:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:31:07,137 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:31:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-07-23 02:31:07,137 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-07-23 02:31:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-23 02:31:07,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-23 02:31:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 02:31:07,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 02:31:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_89 [2022-07-23 02:31:07,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_89 [2022-07-23 02:31:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:31:07,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:31:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-07-23 02:31:07,138 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-07-23 02:31:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-23 02:31:07,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-23 02:31:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2022-07-23 02:31:07,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2022-07-23 02:31:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 02:31:07,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 02:31:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 02:31:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 02:31:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 02:31:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 02:31:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 02:31:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 02:31:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 02:31:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 02:31:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-07-23 02:31:07,141 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-07-23 02:31:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2022-07-23 02:31:07,141 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2022-07-23 02:31:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-07-23 02:31:07,141 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-07-23 02:31:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2022-07-23 02:31:07,142 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2022-07-23 02:31:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 02:31:07,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 02:31:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:31:07,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:31:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-07-23 02:31:07,142 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-07-23 02:31:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 02:31:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 02:31:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 02:31:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 02:31:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 02:31:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 02:31:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:31:07,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:31:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 02:31:07,144 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 02:31:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-07-23 02:31:07,144 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-07-23 02:31:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 02:31:07,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 02:31:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-23 02:31:07,145 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-23 02:31:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:31:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-07-23 02:31:07,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-07-23 02:31:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 02:31:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 02:31:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 02:31:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 02:31:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-07-23 02:31:07,146 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-07-23 02:31:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-23 02:31:07,146 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-23 02:31:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-07-23 02:31:07,147 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-07-23 02:31:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-23 02:31:07,147 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-23 02:31:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 02:31:07,147 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 02:31:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:31:07,147 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:31:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-07-23 02:31:07,148 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-07-23 02:31:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 02:31:07,148 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 02:31:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 02:31:07,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 02:31:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-07-23 02:31:07,149 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-07-23 02:31:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:31:07,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:31:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 02:31:07,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 02:31:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 02:31:07,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 02:31:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 02:31:07,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 02:31:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 02:31:07,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 02:31:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-23 02:31:07,150 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-23 02:31:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 02:31:07,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 02:31:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-07-23 02:31:07,151 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-07-23 02:31:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:31:07,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:31:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-07-23 02:31:07,152 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-07-23 02:31:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 02:31:07,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 02:31:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 02:31:07,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 02:31:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-07-23 02:31:07,152 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-07-23 02:31:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 02:31:07,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 02:31:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:31:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-07-23 02:31:07,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-07-23 02:31:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 02:31:07,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 02:31:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 02:31:07,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 02:31:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:31:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-23 02:31:07,154 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-23 02:31:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:31:07,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:31:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:31:07,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:31:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:31:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 02:31:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 02:31:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 02:31:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 02:31:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-23 02:31:07,155 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-23 02:31:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-23 02:31:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-23 02:31:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-07-23 02:31:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-07-23 02:31:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-23 02:31:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-23 02:31:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-07-23 02:31:07,157 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-07-23 02:31:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 02:31:07,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 02:31:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-07-23 02:31:07,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-07-23 02:31:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 02:31:07,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 02:31:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-23 02:31:07,158 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-23 02:31:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 02:31:07,158 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 02:31:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 02:31:07,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 02:31:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-07-23 02:31:07,158 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-07-23 02:31:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-23 02:31:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-23 02:31:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-23 02:31:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-23 02:31:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 02:31:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 02:31:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-07-23 02:31:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-07-23 02:31:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 02:31:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-23 02:31:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-23 02:31:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-23 02:31:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-23 02:31:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:31:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:31:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-23 02:31:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-23 02:31:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 02:31:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 02:31:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 02:31:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 02:31:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 02:31:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:31:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 02:31:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:31:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:31:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:31:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 02:31:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 02:31:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 02:31:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 02:31:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-23 02:31:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-23 02:31:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-23 02:31:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-23 02:31:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 02:31:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 02:31:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-07-23 02:31:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-07-23 02:31:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-07-23 02:31:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-07-23 02:31:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 02:31:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 02:31:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-23 02:31:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-23 02:31:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-23 02:31:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-23 02:31:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-07-23 02:31:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-07-23 02:31:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 02:31:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 02:31:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 02:31:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 02:31:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-07-23 02:31:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-07-23 02:31:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 02:31:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 02:31:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-23 02:31:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-23 02:31:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:31:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 02:31:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 02:31:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-23 02:31:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-23 02:31:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 02:31:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 02:31:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-07-23 02:31:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-07-23 02:31:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:31:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-07-23 02:31:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-07-23 02:31:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-07-23 02:31:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-07-23 02:31:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-23 02:31:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-23 02:31:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 02:31:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 02:31:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 02:31:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-07-23 02:31:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-07-23 02:31:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 02:31:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:31:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-07-23 02:31:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-07-23 02:31:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-23 02:31:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-23 02:31:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-23 02:31:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-23 02:31:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:31:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:31:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:31:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:31:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 02:31:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 02:31:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 02:31:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 02:31:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-07-23 02:31:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-07-23 02:31:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2022-07-23 02:31:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2022-07-23 02:31:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-07-23 02:31:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-07-23 02:31:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-07-23 02:31:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-07-23 02:31:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 02:31:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 02:31:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-23 02:31:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-23 02:31:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2022-07-23 02:31:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2022-07-23 02:31:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 02:31:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 02:31:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-23 02:31:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-23 02:31:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-07-23 02:31:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-07-23 02:31:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 02:31:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 02:31:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-07-23 02:31:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-07-23 02:31:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 02:31:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 02:31:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 02:31:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 02:31:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:31:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:31:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2022-07-23 02:31:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2022-07-23 02:31:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-07-23 02:31:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-07-23 02:31:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-07-23 02:31:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-07-23 02:31:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 02:31:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 02:31:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-23 02:31:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-23 02:31:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2022-07-23 02:31:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2022-07-23 02:31:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-23 02:31:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-23 02:31:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-07-23 02:31:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-07-23 02:31:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-23 02:31:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-23 02:31:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:31:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:31:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-23 02:31:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-23 02:31:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-07-23 02:31:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-07-23 02:31:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-23 02:31:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-23 02:31:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-23 02:31:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-23 02:31:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-07-23 02:31:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-07-23 02:31:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-23 02:31:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-23 02:31:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 02:31:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 02:31:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-23 02:31:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-23 02:31:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:31:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:31:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-07-23 02:31:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-07-23 02:31:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-07-23 02:31:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-07-23 02:31:08,152 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:31:08,156 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:31:09,264 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:32:13,847 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:32:14,344 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:32:14,365 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:32:14,365 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 02:32:14,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:32:14 BoogieIcfgContainer [2022-07-23 02:32:14,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:32:14,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:32:14,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:32:14,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:32:14,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:31:00" (1/3) ... [2022-07-23 02:32:14,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a2b2de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:32:14, skipping insertion in model container [2022-07-23 02:32:14,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:06" (2/3) ... [2022-07-23 02:32:14,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a2b2de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:32:14, skipping insertion in model container [2022-07-23 02:32:14,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:32:14" (3/3) ... [2022-07-23 02:32:14,376 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-23 02:32:14,390 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:32:14,390 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-23 02:32:14,485 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:32:14,496 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@2d481e2d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7915c33e [2022-07-23 02:32:14,497 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-23 02:32:14,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 2822 states, 1909 states have (on average 1.2572027239392352) internal successors, (2400), 1937 states have internal predecessors, (2400), 761 states have call successors, (761), 149 states have call predecessors, (761), 148 states have return successors, (755), 753 states have call predecessors, (755), 755 states have call successors, (755) [2022-07-23 02:32:14,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-23 02:32:14,524 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:14,525 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:32:14,525 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:32:14,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:14,529 INFO L85 PathProgramCache]: Analyzing trace with hash -695297070, now seen corresponding path program 1 times [2022-07-23 02:32:14,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:32:14,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610966249] [2022-07-23 02:32:14,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:14,544 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:32:14,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:32:14,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:32:14,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 02:32:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:17,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 2017 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:32:17,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:32:17,845 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-23 02:32:17,845 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:32:17,846 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:32:17,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [610966249] [2022-07-23 02:32:17,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [610966249] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:17,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:17,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:32:17,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29284033] [2022-07-23 02:32:17,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:17,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:32:17,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:32:17,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:32:17,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:17,881 INFO L87 Difference]: Start difference. First operand has 2822 states, 1909 states have (on average 1.2572027239392352) internal successors, (2400), 1937 states have internal predecessors, (2400), 761 states have call successors, (761), 149 states have call predecessors, (761), 148 states have return successors, (755), 753 states have call predecessors, (755), 755 states have call successors, (755) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-23 02:32:18,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:18,500 INFO L93 Difference]: Finished difference Result 8301 states and 11697 transitions. [2022-07-23 02:32:18,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:32:18,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 181 [2022-07-23 02:32:18,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:18,560 INFO L225 Difference]: With dead ends: 8301 [2022-07-23 02:32:18,560 INFO L226 Difference]: Without dead ends: 5495 [2022-07-23 02:32:18,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:18,593 INFO L413 NwaCegarLoop]: 4666 mSDtfsCounter, 3824 mSDsluCounter, 3792 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3824 SdHoareTripleChecker+Valid, 8458 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:18,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3824 Valid, 8458 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 02:32:18,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5495 states. [2022-07-23 02:32:18,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5495 to 5462. [2022-07-23 02:32:18,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5462 states, 3723 states have (on average 1.2519473542841795) internal successors, (4661), 3784 states have internal predecessors, (4661), 1448 states have call successors, (1448), 293 states have call predecessors, (1448), 287 states have return successors, (1449), 1424 states have call predecessors, (1449), 1444 states have call successors, (1449) [2022-07-23 02:32:18,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5462 states to 5462 states and 7558 transitions. [2022-07-23 02:32:18,951 INFO L78 Accepts]: Start accepts. Automaton has 5462 states and 7558 transitions. Word has length 181 [2022-07-23 02:32:18,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:18,954 INFO L495 AbstractCegarLoop]: Abstraction has 5462 states and 7558 transitions. [2022-07-23 02:32:18,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-23 02:32:18,955 INFO L276 IsEmpty]: Start isEmpty. Operand 5462 states and 7558 transitions. [2022-07-23 02:32:18,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-23 02:32:18,965 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:18,965 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:32:19,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 02:32:19,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:32:19,188 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:32:19,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:19,188 INFO L85 PathProgramCache]: Analyzing trace with hash -620921520, now seen corresponding path program 1 times [2022-07-23 02:32:19,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:32:19,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933155960] [2022-07-23 02:32:19,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:19,191 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:32:19,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:32:19,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:32:19,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 02:32:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:22,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 1994 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:32:22,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:32:22,387 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-23 02:32:22,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:32:22,387 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:32:22,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1933155960] [2022-07-23 02:32:22,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1933155960] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:22,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:22,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:32:22,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124047814] [2022-07-23 02:32:22,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:22,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:32:22,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:32:22,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:32:22,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:22,391 INFO L87 Difference]: Start difference. First operand 5462 states and 7558 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-23 02:32:23,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:23,151 INFO L93 Difference]: Finished difference Result 16189 states and 22397 transitions. [2022-07-23 02:32:23,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:32:23,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 182 [2022-07-23 02:32:23,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:23,241 INFO L225 Difference]: With dead ends: 16189 [2022-07-23 02:32:23,241 INFO L226 Difference]: Without dead ends: 10760 [2022-07-23 02:32:23,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:23,274 INFO L413 NwaCegarLoop]: 4591 mSDtfsCounter, 3729 mSDsluCounter, 3822 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3729 SdHoareTripleChecker+Valid, 8413 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 [2022-07-23 02:32:23,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3729 Valid, 8413 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 02:32:23,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10760 states. [2022-07-23 02:32:23,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10760 to 10754. [2022-07-23 02:32:23,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10754 states, 7350 states have (on average 1.2523809523809524) internal successors, (9205), 7463 states have internal predecessors, (9205), 2829 states have call successors, (2829), 582 states have call predecessors, (2829), 571 states have return successors, (2835), 2788 states have call predecessors, (2835), 2825 states have call successors, (2835) [2022-07-23 02:32:23,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10754 states to 10754 states and 14869 transitions. [2022-07-23 02:32:23,813 INFO L78 Accepts]: Start accepts. Automaton has 10754 states and 14869 transitions. Word has length 182 [2022-07-23 02:32:23,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:23,814 INFO L495 AbstractCegarLoop]: Abstraction has 10754 states and 14869 transitions. [2022-07-23 02:32:23,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-23 02:32:23,814 INFO L276 IsEmpty]: Start isEmpty. Operand 10754 states and 14869 transitions. [2022-07-23 02:32:23,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-23 02:32:23,818 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:23,819 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:32:23,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 02:32:24,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:32:24,044 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:32:24,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:24,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1738075297, now seen corresponding path program 1 times [2022-07-23 02:32:24,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:32:24,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1810402812] [2022-07-23 02:32:24,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:24,047 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:32:24,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:32:24,049 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:32:24,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 02:32:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:26,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 2072 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:32:26,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:32:27,074 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-23 02:32:27,075 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:32:27,075 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:32:27,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1810402812] [2022-07-23 02:32:27,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1810402812] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:27,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:27,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:32:27,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780875443] [2022-07-23 02:32:27,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:27,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:32:27,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:32:27,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:32:27,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:27,077 INFO L87 Difference]: Start difference. First operand 10754 states and 14869 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-23 02:32:28,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:28,188 INFO L93 Difference]: Finished difference Result 32038 states and 44367 transitions. [2022-07-23 02:32:28,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:32:28,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 196 [2022-07-23 02:32:28,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:28,344 INFO L225 Difference]: With dead ends: 32038 [2022-07-23 02:32:28,344 INFO L226 Difference]: Without dead ends: 21317 [2022-07-23 02:32:28,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:28,400 INFO L413 NwaCegarLoop]: 4909 mSDtfsCounter, 3797 mSDsluCounter, 3820 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3797 SdHoareTripleChecker+Valid, 8729 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:28,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3797 Valid, 8729 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 02:32:28,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21317 states. [2022-07-23 02:32:29,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21317 to 21278. [2022-07-23 02:32:29,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21278 states, 14562 states have (on average 1.2530558989149843) internal successors, (18247), 14793 states have internal predecessors, (18247), 5583 states have call successors, (5583), 1158 states have call predecessors, (5583), 1129 states have return successors, (5649), 5478 states have call predecessors, (5649), 5579 states have call successors, (5649) [2022-07-23 02:32:29,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21278 states to 21278 states and 29479 transitions. [2022-07-23 02:32:29,529 INFO L78 Accepts]: Start accepts. Automaton has 21278 states and 29479 transitions. Word has length 196 [2022-07-23 02:32:29,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:29,531 INFO L495 AbstractCegarLoop]: Abstraction has 21278 states and 29479 transitions. [2022-07-23 02:32:29,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-23 02:32:29,532 INFO L276 IsEmpty]: Start isEmpty. Operand 21278 states and 29479 transitions. [2022-07-23 02:32:29,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-23 02:32:29,538 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:29,539 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 14, 14, 14, 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] [2022-07-23 02:32:29,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 02:32:29,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:32:29,760 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:32:29,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:29,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1468045676, now seen corresponding path program 1 times [2022-07-23 02:32:29,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:32:29,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1424274779] [2022-07-23 02:32:29,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:29,763 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:32:29,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:32:29,765 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:32:29,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 02:32:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:32,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 2054 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:32:32,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:32:33,029 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-23 02:32:33,029 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:32:33,030 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:32:33,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1424274779] [2022-07-23 02:32:33,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1424274779] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:33,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:33,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:32:33,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405871462] [2022-07-23 02:32:33,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:33,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:32:33,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:32:33,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:32:33,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:33,032 INFO L87 Difference]: Start difference. First operand 21278 states and 29479 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, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-23 02:32:34,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:34,146 INFO L93 Difference]: Finished difference Result 48087 states and 66589 transitions. [2022-07-23 02:32:34,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:32:34,147 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, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 204 [2022-07-23 02:32:34,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:34,445 INFO L225 Difference]: With dead ends: 48087 [2022-07-23 02:32:34,446 INFO L226 Difference]: Without dead ends: 26842 [2022-07-23 02:32:34,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:34,529 INFO L413 NwaCegarLoop]: 4644 mSDtfsCounter, 3802 mSDsluCounter, 3861 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3802 SdHoareTripleChecker+Valid, 8505 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:34,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3802 Valid, 8505 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 02:32:34,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26842 states. [2022-07-23 02:32:35,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26842 to 26803. [2022-07-23 02:32:35,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26803 states, 18329 states have (on average 1.2517867859675924) internal successors, (22944), 18629 states have internal predecessors, (22944), 7034 states have call successors, (7034), 1468 states have call predecessors, (7034), 1436 states have return successors, (7111), 6899 states have call predecessors, (7111), 7030 states have call successors, (7111) [2022-07-23 02:32:35,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26803 states to 26803 states and 37089 transitions. [2022-07-23 02:32:35,818 INFO L78 Accepts]: Start accepts. Automaton has 26803 states and 37089 transitions. Word has length 204 [2022-07-23 02:32:35,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:35,819 INFO L495 AbstractCegarLoop]: Abstraction has 26803 states and 37089 transitions. [2022-07-23 02:32:35,819 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, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-23 02:32:35,819 INFO L276 IsEmpty]: Start isEmpty. Operand 26803 states and 37089 transitions. [2022-07-23 02:32:35,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-07-23 02:32:35,824 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:35,824 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:32:35,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 02:32:36,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:32:36,052 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:32:36,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:36,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1097800989, now seen corresponding path program 1 times [2022-07-23 02:32:36,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:32:36,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [268221810] [2022-07-23 02:32:36,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:36,054 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:32:36,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:32:36,057 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:32:36,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 02:32:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:38,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:32:38,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:32:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-23 02:32:39,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:32:39,164 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:32:39,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [268221810] [2022-07-23 02:32:39,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [268221810] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:39,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:39,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:32:39,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713149817] [2022-07-23 02:32:39,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:39,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:32:39,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:32:39,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:32:39,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:39,166 INFO L87 Difference]: Start difference. First operand 26803 states and 37089 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-23 02:32:41,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:41,156 INFO L93 Difference]: Finished difference Result 70761 states and 97622 transitions. [2022-07-23 02:32:41,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:32:41,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 209 [2022-07-23 02:32:41,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:41,564 INFO L225 Difference]: With dead ends: 70761 [2022-07-23 02:32:41,564 INFO L226 Difference]: Without dead ends: 43991 [2022-07-23 02:32:41,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:41,665 INFO L413 NwaCegarLoop]: 4392 mSDtfsCounter, 2588 mSDsluCounter, 3764 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2588 SdHoareTripleChecker+Valid, 8156 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:41,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2588 Valid, 8156 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-23 02:32:41,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43991 states. [2022-07-23 02:32:43,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43991 to 43949. [2022-07-23 02:32:43,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43949 states, 29900 states have (on average 1.2470903010033445) internal successors, (37288), 30431 states have internal predecessors, (37288), 11517 states have call successors, (11517), 2594 states have call predecessors, (11517), 2528 states have return successors, (11671), 11240 states have call predecessors, (11671), 11513 states have call successors, (11671) [2022-07-23 02:32:43,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43949 states to 43949 states and 60476 transitions. [2022-07-23 02:32:43,813 INFO L78 Accepts]: Start accepts. Automaton has 43949 states and 60476 transitions. Word has length 209 [2022-07-23 02:32:43,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:43,815 INFO L495 AbstractCegarLoop]: Abstraction has 43949 states and 60476 transitions. [2022-07-23 02:32:43,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-23 02:32:43,815 INFO L276 IsEmpty]: Start isEmpty. Operand 43949 states and 60476 transitions. [2022-07-23 02:32:43,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-23 02:32:43,820 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:43,820 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2022-07-23 02:32:43,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 02:32:44,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:32:44,036 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:32:44,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:44,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1609837398, now seen corresponding path program 1 times [2022-07-23 02:32:44,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:32:44,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892658077] [2022-07-23 02:32:44,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:44,038 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:32:44,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:32:44,040 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:32:44,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 02:32:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:46,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 2119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:32:46,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:32:47,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2022-07-23 02:32:47,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:32:47,233 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:32:47,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892658077] [2022-07-23 02:32:47,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892658077] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:47,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:47,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:32:47,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786241791] [2022-07-23 02:32:47,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:47,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:32:47,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:32:47,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:32:47,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:47,234 INFO L87 Difference]: Start difference. First operand 43949 states and 60476 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 02:32:49,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:49,216 INFO L93 Difference]: Finished difference Result 113622 states and 156421 transitions. [2022-07-23 02:32:49,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:32:49,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 238 [2022-07-23 02:32:49,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:49,791 INFO L225 Difference]: With dead ends: 113622 [2022-07-23 02:32:49,791 INFO L226 Difference]: Without dead ends: 78269 [2022-07-23 02:32:49,918 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 [2022-07-23 02:32:49,920 INFO L413 NwaCegarLoop]: 7577 mSDtfsCounter, 3702 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3702 SdHoareTripleChecker+Valid, 11425 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:49,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3702 Valid, 11425 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 02:32:49,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78269 states. [2022-07-23 02:32:53,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78269 to 78263. [2022-07-23 02:32:53,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78263 states, 53286 states have (on average 1.2473445182599556) internal successors, (66466), 54191 states have internal predecessors, (66466), 20467 states have call successors, (20467), 4630 states have call predecessors, (20467), 4506 states have return successors, (20757), 20006 states have call predecessors, (20757), 20463 states have call successors, (20757) [2022-07-23 02:32:53,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78263 states to 78263 states and 107690 transitions. [2022-07-23 02:32:53,850 INFO L78 Accepts]: Start accepts. Automaton has 78263 states and 107690 transitions. Word has length 238 [2022-07-23 02:32:53,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:53,851 INFO L495 AbstractCegarLoop]: Abstraction has 78263 states and 107690 transitions. [2022-07-23 02:32:53,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 02:32:53,852 INFO L276 IsEmpty]: Start isEmpty. Operand 78263 states and 107690 transitions. [2022-07-23 02:32:53,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-23 02:32:53,858 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:53,858 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2022-07-23 02:32:53,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 02:32:54,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:32:54,072 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:32:54,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:54,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1750386008, now seen corresponding path program 1 times [2022-07-23 02:32:54,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:32:54,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1734686504] [2022-07-23 02:32:54,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:54,075 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:32:54,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:32:54,077 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:32:54,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 02:32:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 2119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:32:56,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:33:01,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-07-23 02:33:01,128 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:33:01,128 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:33:01,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1734686504] [2022-07-23 02:33:01,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1734686504] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:33:01,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:33:01,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:33:01,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370861398] [2022-07-23 02:33:01,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:33:01,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:33:01,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:33:01,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:33:01,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:33:01,130 INFO L87 Difference]: Start difference. First operand 78263 states and 107690 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-07-23 02:33:03,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:33:03,261 INFO L93 Difference]: Finished difference Result 78269 states and 107695 transitions. [2022-07-23 02:33:03,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:33:03,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 238 [2022-07-23 02:33:03,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:33:03,631 INFO L225 Difference]: With dead ends: 78269 [2022-07-23 02:33:03,631 INFO L226 Difference]: Without dead ends: 78267 [2022-07-23 02:33:03,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:33:03,676 INFO L413 NwaCegarLoop]: 3872 mSDtfsCounter, 3779 mSDsluCounter, 7728 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3780 SdHoareTripleChecker+Valid, 11600 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:33:03,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3780 Valid, 11600 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 02:33:03,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78267 states. [2022-07-23 02:33:06,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78267 to 78267. [2022-07-23 02:33:06,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78267 states, 53289 states have (on average 1.2473305935558934) internal successors, (66469), 54194 states have internal predecessors, (66469), 20467 states have call successors, (20467), 4631 states have call predecessors, (20467), 4507 states have return successors, (20757), 20006 states have call predecessors, (20757), 20463 states have call successors, (20757) [2022-07-23 02:33:07,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78267 states to 78267 states and 107693 transitions. [2022-07-23 02:33:07,083 INFO L78 Accepts]: Start accepts. Automaton has 78267 states and 107693 transitions. Word has length 238 [2022-07-23 02:33:07,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:33:07,084 INFO L495 AbstractCegarLoop]: Abstraction has 78267 states and 107693 transitions. [2022-07-23 02:33:07,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-07-23 02:33:07,085 INFO L276 IsEmpty]: Start isEmpty. Operand 78267 states and 107693 transitions. [2022-07-23 02:33:07,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-23 02:33:07,092 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:33:07,093 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2022-07-23 02:33:07,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-23 02:33:07,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:33:07,310 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:33:07,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:33:07,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1646136858, now seen corresponding path program 1 times [2022-07-23 02:33:07,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:33:07,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [810007910] [2022-07-23 02:33:07,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:33:07,312 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:33:07,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:33:07,314 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:33:07,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 02:33:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:09,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:33:09,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:33:14,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-07-23 02:33:14,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:33:16,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-07-23 02:33:16,036 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:33:16,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [810007910] [2022-07-23 02:33:16,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [810007910] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:33:16,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:33:16,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:33:16,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438047327] [2022-07-23 02:33:16,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:33:16,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:33:16,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:33:16,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:33:16,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:33:16,038 INFO L87 Difference]: Start difference. First operand 78267 states and 107693 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-23 02:33:17,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:33:17,878 INFO L93 Difference]: Finished difference Result 78273 states and 107698 transitions. [2022-07-23 02:33:17,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:33:17,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 243 [2022-07-23 02:33:17,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:33:18,205 INFO L225 Difference]: With dead ends: 78273 [2022-07-23 02:33:18,206 INFO L226 Difference]: Without dead ends: 78271 [2022-07-23 02:33:18,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:33:18,267 INFO L413 NwaCegarLoop]: 3875 mSDtfsCounter, 3798 mSDsluCounter, 7727 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3812 SdHoareTripleChecker+Valid, 11602 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:33:18,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3812 Valid, 11602 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 02:33:18,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78271 states. [2022-07-23 02:33:20,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78271 to 78271. [2022-07-23 02:33:20,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78271 states, 53292 states have (on average 1.2473166704195753) internal successors, (66472), 54197 states have internal predecessors, (66472), 20467 states have call successors, (20467), 4632 states have call predecessors, (20467), 4508 states have return successors, (20757), 20006 states have call predecessors, (20757), 20463 states have call successors, (20757) [2022-07-23 02:33:21,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78271 states to 78271 states and 107696 transitions. [2022-07-23 02:33:21,086 INFO L78 Accepts]: Start accepts. Automaton has 78271 states and 107696 transitions. Word has length 243 [2022-07-23 02:33:21,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:33:21,087 INFO L495 AbstractCegarLoop]: Abstraction has 78271 states and 107696 transitions. [2022-07-23 02:33:21,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-23 02:33:21,087 INFO L276 IsEmpty]: Start isEmpty. Operand 78271 states and 107696 transitions. [2022-07-23 02:33:21,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-07-23 02:33:21,094 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:33:21,094 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2022-07-23 02:33:21,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-23 02:33:21,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:33:21,316 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:33:21,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:33:21,316 INFO L85 PathProgramCache]: Analyzing trace with hash -534936104, now seen corresponding path program 1 times [2022-07-23 02:33:21,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:33:21,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388191130] [2022-07-23 02:33:21,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:33:21,318 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:33:21,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:33:21,319 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) [2022-07-23 02:33:21,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-23 02:33:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:24,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 2133 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:33:24,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:33:28,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2022-07-23 02:33:28,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:33:29,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2022-07-23 02:33:29,932 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:33:29,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1388191130] [2022-07-23 02:33:29,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1388191130] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:33:29,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:33:29,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:33:29,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240323001] [2022-07-23 02:33:29,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:33:29,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:33:29,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:33:29,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:33:29,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:33:29,934 INFO L87 Difference]: Start difference. First operand 78271 states and 107696 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-23 02:33:31,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:33:31,904 INFO L93 Difference]: Finished difference Result 78277 states and 107701 transitions. [2022-07-23 02:33:31,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:33:31,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 248 [2022-07-23 02:33:31,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:33:32,201 INFO L225 Difference]: With dead ends: 78277 [2022-07-23 02:33:32,201 INFO L226 Difference]: Without dead ends: 78275 [2022-07-23 02:33:32,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:33:32,248 INFO L413 NwaCegarLoop]: 3875 mSDtfsCounter, 3798 mSDsluCounter, 7727 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3811 SdHoareTripleChecker+Valid, 11602 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:33:32,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3811 Valid, 11602 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 02:33:32,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78275 states. [2022-07-23 02:33:34,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78275 to 78275. [2022-07-23 02:33:34,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78275 states, 53295 states have (on average 1.2473027488507364) internal successors, (66475), 54200 states have internal predecessors, (66475), 20467 states have call successors, (20467), 4633 states have call predecessors, (20467), 4509 states have return successors, (20757), 20006 states have call predecessors, (20757), 20463 states have call successors, (20757) [2022-07-23 02:33:34,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78275 states to 78275 states and 107699 transitions. [2022-07-23 02:33:34,808 INFO L78 Accepts]: Start accepts. Automaton has 78275 states and 107699 transitions. Word has length 248 [2022-07-23 02:33:34,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:33:34,809 INFO L495 AbstractCegarLoop]: Abstraction has 78275 states and 107699 transitions. [2022-07-23 02:33:34,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-23 02:33:34,809 INFO L276 IsEmpty]: Start isEmpty. Operand 78275 states and 107699 transitions. [2022-07-23 02:33:34,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-23 02:33:34,816 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:33:34,816 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2022-07-23 02:33:34,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-23 02:33:35,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:33:35,032 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:33:35,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:33:35,032 INFO L85 PathProgramCache]: Analyzing trace with hash 254470871, now seen corresponding path program 1 times [2022-07-23 02:33:35,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:33:35,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158988493] [2022-07-23 02:33:35,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:33:35,276 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:33:35,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:33:35,295 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) [2022-07-23 02:33:35,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-23 02:33:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:38,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 2187 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:33:38,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:33:38,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 988 trivial. 0 not checked. [2022-07-23 02:33:38,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:33:38,204 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:33:38,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [158988493] [2022-07-23 02:33:38,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [158988493] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:33:38,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:33:38,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:33:38,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086308699] [2022-07-23 02:33:38,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:33:38,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:33:38,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:33:38,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:33:38,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:33:38,206 INFO L87 Difference]: Start difference. First operand 78275 states and 107699 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-23 02:33:41,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:33:41,721 INFO L93 Difference]: Finished difference Result 182324 states and 250944 transitions. [2022-07-23 02:33:41,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:33:41,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 264 [2022-07-23 02:33:41,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:33:42,234 INFO L225 Difference]: With dead ends: 182324 [2022-07-23 02:33:42,235 INFO L226 Difference]: Without dead ends: 112645 [2022-07-23 02:33:42,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:33:42,431 INFO L413 NwaCegarLoop]: 7593 mSDtfsCounter, 3741 mSDsluCounter, 3850 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3741 SdHoareTripleChecker+Valid, 11443 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:33:42,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3741 Valid, 11443 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 02:33:42,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112645 states. [2022-07-23 02:33:46,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112645 to 112605. [2022-07-23 02:33:46,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112605 states, 76697 states have (on average 1.2473629998565785) internal successors, (95669), 77976 states have internal predecessors, (95669), 29417 states have call successors, (29417), 6669 states have call predecessors, (29417), 6487 states have return successors, (29843), 28772 states have call predecessors, (29843), 29413 states have call successors, (29843) [2022-07-23 02:33:47,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112605 states to 112605 states and 154929 transitions. [2022-07-23 02:33:47,163 INFO L78 Accepts]: Start accepts. Automaton has 112605 states and 154929 transitions. Word has length 264 [2022-07-23 02:33:47,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:33:47,164 INFO L495 AbstractCegarLoop]: Abstraction has 112605 states and 154929 transitions. [2022-07-23 02:33:47,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-23 02:33:47,164 INFO L276 IsEmpty]: Start isEmpty. Operand 112605 states and 154929 transitions. [2022-07-23 02:33:47,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-23 02:33:47,170 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:33:47,170 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2022-07-23 02:33:47,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-23 02:33:47,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:33:47,383 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:33:47,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:33:47,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1077391590, now seen corresponding path program 1 times [2022-07-23 02:33:47,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:33:47,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108594898] [2022-07-23 02:33:47,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:33:47,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:33:47,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:33:47,390 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) [2022-07-23 02:33:47,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-23 02:33:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:49,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:33:49,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:33:54,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1051 trivial. 0 not checked. [2022-07-23 02:33:54,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:33:55,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1051 trivial. 0 not checked. [2022-07-23 02:33:55,787 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:33:55,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108594898] [2022-07-23 02:33:55,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108594898] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:33:55,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:33:55,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:33:55,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186002309] [2022-07-23 02:33:55,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:33:55,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:33:55,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:33:55,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:33:55,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:33:55,790 INFO L87 Difference]: Start difference. First operand 112605 states and 154929 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-23 02:33:59,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:33:59,156 INFO L93 Difference]: Finished difference Result 112611 states and 154934 transitions. [2022-07-23 02:33:59,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:33:59,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 253 [2022-07-23 02:33:59,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:33:59,601 INFO L225 Difference]: With dead ends: 112611 [2022-07-23 02:33:59,602 INFO L226 Difference]: Without dead ends: 112609 [2022-07-23 02:33:59,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:33:59,653 INFO L413 NwaCegarLoop]: 3875 mSDtfsCounter, 3798 mSDsluCounter, 7727 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3810 SdHoareTripleChecker+Valid, 11602 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:33:59,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3810 Valid, 11602 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 02:33:59,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112609 states.