./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.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 bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 16:29:41,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:29:41,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:29:41,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:29:41,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:29:41,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:29:41,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:29:41,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:29:41,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:29:41,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:29:41,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:29:41,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:29:41,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:29:41,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:29:41,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:29:41,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:29:41,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:29:41,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:29:41,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:29:41,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:29:41,416 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:29:41,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:29:41,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:29:41,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:29:41,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:29:41,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:29:41,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:29:41,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:29:41,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:29:41,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:29:41,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:29:41,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:29:41,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:29:41,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:29:41,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:29:41,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:29:41,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:29:41,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:29:41,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:29:41,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:29:41,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:29:41,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:29:41,428 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:29:41,441 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:29:41,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:29:41,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:29:41,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:29:41,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:29:41,443 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:29:41,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:29:41,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:29:41,443 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:29:41,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:29:41,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:29:41,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:29:41,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:29:41,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:29:41,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:29:41,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:29:41,444 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:29:41,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:29:41,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:29:41,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:29:41,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:29:41,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:29:41,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:29:41,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:29:41,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:29:41,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:29:41,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:29:41,446 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:29:41,446 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:29:41,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:29:41,446 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 [2022-07-12 16:29:41,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:29:41,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:29:41,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:29:41,666 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:29:41,667 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:29:41,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-07-12 16:29:41,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52c54ab8b/0d17fcea62dd4d9d8b61dd7a59689676/FLAG4d7a0e91b [2022-07-12 16:29:42,462 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:29:42,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-07-12 16:29:42,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52c54ab8b/0d17fcea62dd4d9d8b61dd7a59689676/FLAG4d7a0e91b [2022-07-12 16:29:42,744 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52c54ab8b/0d17fcea62dd4d9d8b61dd7a59689676 [2022-07-12 16:29:42,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:29:42,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:29:42,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:29:42,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:29:42,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:29:42,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:29:42" (1/1) ... [2022-07-12 16:29:42,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c5eb4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:42, skipping insertion in model container [2022-07-12 16:29:42,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:29:42" (1/1) ... [2022-07-12 16:29:42,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:29:42,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:29:47,443 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-07-12 16:29:47,445 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-07-12 16:29:47,450 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-07-12 16:29:47,451 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-07-12 16:29:47,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:29:47,560 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:29:47,637 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: mii_reg = (unsigned int )mii_reg & 63487U [6465] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-12 16:29:47,641 INFO L158 Benchmark]: Toolchain (without parser) took 4893.48ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 99.3MB in the beginning and 75.0MB in the end (delta: 24.3MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. [2022-07-12 16:29:47,642 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 16:29:47,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4891.24ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 98.9MB in the beginning and 75.0MB in the end (delta: 23.9MB). Peak memory consumption was 93.5MB. Max. memory is 16.1GB. [2022-07-12 16:29:47,643 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4891.24ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 98.9MB in the beginning and 75.0MB in the end (delta: 23.9MB). Peak memory consumption was 93.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: mii_reg = (unsigned int )mii_reg & 63487U [6465] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: mii_reg = (unsigned int )mii_reg & 63487U [6465]: 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.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 bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 16:29:49,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:29:49,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:29:49,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:29:49,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:29:49,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:29:49,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:29:49,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:29:49,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:29:49,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:29:49,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:29:49,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:29:49,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:29:49,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:29:49,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:29:49,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:29:49,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:29:49,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:29:49,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:29:49,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:29:49,285 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:29:49,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:29:49,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:29:49,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:29:49,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:29:49,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:29:49,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:29:49,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:29:49,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:29:49,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:29:49,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:29:49,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:29:49,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:29:49,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:29:49,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:29:49,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:29:49,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:29:49,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:29:49,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:29:49,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:29:49,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:29:49,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:29:49,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 16:29:49,335 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:29:49,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:29:49,336 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:29:49,336 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:29:49,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:29:49,337 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:29:49,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:29:49,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:29:49,338 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:29:49,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:29:49,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:29:49,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:29:49,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:29:49,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:29:49,344 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 16:29:49,345 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 16:29:49,345 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 16:29:49,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:29:49,345 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:29:49,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:29:49,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:29:49,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:29:49,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:29:49,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:29:49,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:29:49,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:29:49,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:29:49,347 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 16:29:49,347 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 16:29:49,347 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:29:49,348 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:29:49,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:29:49,348 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 16:29:49,348 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 [2022-07-12 16:29:49,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:29:49,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:29:49,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:29:49,665 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:29:49,665 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:29:49,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-07-12 16:29:49,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1efa6eedf/2f6284bb85364364b0c91dd035417277/FLAG77a99ddce [2022-07-12 16:29:50,615 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:29:50,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-07-12 16:29:50,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1efa6eedf/2f6284bb85364364b0c91dd035417277/FLAG77a99ddce [2022-07-12 16:29:51,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1efa6eedf/2f6284bb85364364b0c91dd035417277 [2022-07-12 16:29:51,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:29:51,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:29:51,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:29:51,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:29:51,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:29:51,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:29:51" (1/1) ... [2022-07-12 16:29:51,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7442ebf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:51, skipping insertion in model container [2022-07-12 16:29:51,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:29:51" (1/1) ... [2022-07-12 16:29:51,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:29:51,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:29:55,503 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-07-12 16:29:55,505 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-07-12 16:29:55,506 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-07-12 16:29:55,506 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-07-12 16:29:55,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:29:55,568 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 16:29:55,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:29:55,910 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-07-12 16:29:55,911 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-07-12 16:29:55,911 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-07-12 16:29:55,911 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-07-12 16:29:55,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:29:55,934 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:29:56,365 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-07-12 16:29:56,365 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-07-12 16:29:56,367 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-07-12 16:29:56,370 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-07-12 16:29:56,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:29:56,645 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:29:56,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:56 WrapperNode [2022-07-12 16:29:56,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:29:56,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:29:56,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:29:56,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:29:56,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:56" (1/1) ... [2022-07-12 16:29:56,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:56" (1/1) ... [2022-07-12 16:29:56,988 INFO L137 Inliner]: procedures = 718, calls = 5887, calls flagged for inlining = 364, calls inlined = 322, statements flattened = 10549 [2022-07-12 16:29:56,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:29:56,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:29:56,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:29:56,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:29:56,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:56" (1/1) ... [2022-07-12 16:29:56,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:56" (1/1) ... [2022-07-12 16:29:57,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:56" (1/1) ... [2022-07-12 16:29:57,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:56" (1/1) ... [2022-07-12 16:29:57,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:56" (1/1) ... [2022-07-12 16:29:57,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:56" (1/1) ... [2022-07-12 16:29:57,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:56" (1/1) ... [2022-07-12 16:29:57,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:29:57,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:29:57,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:29:57,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:29:57,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:56" (1/1) ... [2022-07-12 16:29:57,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:29:57,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:29:57,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 16:29:57,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 16:29:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2022-07-12 16:29:57,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2022-07-12 16:29:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 16:29:57,512 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 16:29:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2022-07-12 16:29:57,512 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2022-07-12 16:29:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:29:57,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:29:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-12 16:29:57,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-12 16:29:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-07-12 16:29:57,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-07-12 16:29:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2022-07-12 16:29:57,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2022-07-12 16:29:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 16:29:57,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 16:29:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:29:57,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:29:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2022-07-12 16:29:57,514 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2022-07-12 16:29:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2022-07-12 16:29:57,514 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2022-07-12 16:29:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-12 16:29:57,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-12 16:29:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 16:29:57,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 16:29:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2022-07-12 16:29:57,515 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2022-07-12 16:29:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2022-07-12 16:29:57,515 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2022-07-12 16:29:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2022-07-12 16:29:57,515 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2022-07-12 16:29:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 16:29:57,515 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 16:29:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 16:29:57,515 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 16:29:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 16:29:57,516 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 16:29:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2022-07-12 16:29:57,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2022-07-12 16:29:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2022-07-12 16:29:57,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2022-07-12 16:29:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2022-07-12 16:29:57,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2022-07-12 16:29:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2022-07-12 16:29:57,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2022-07-12 16:29:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-12 16:29:57,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-12 16:29:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-07-12 16:29:57,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-07-12 16:29:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 16:29:57,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 16:29:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 16:29:57,518 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 16:29:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 16:29:57,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 16:29:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-07-12 16:29:57,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-07-12 16:29:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2022-07-12 16:29:57,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2022-07-12 16:29:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 16:29:57,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 16:29:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:29:57,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:29:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2022-07-12 16:29:57,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2022-07-12 16:29:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 16:29:57,520 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 16:29:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-12 16:29:57,520 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-12 16:29:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 16:29:57,520 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 16:29:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:29:57,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:29:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 16:29:57,521 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 16:29:57,521 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-12 16:29:57,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-12 16:29:57,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:29:57,521 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2022-07-12 16:29:57,521 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2022-07-12 16:29:57,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 16:29:57,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 16:29:57,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 16:29:57,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 16:29:57,522 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-12 16:29:57,522 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-12 16:29:57,522 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2022-07-12 16:29:57,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2022-07-12 16:29:57,522 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 16:29:57,522 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 16:29:57,522 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2022-07-12 16:29:57,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2022-07-12 16:29:57,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-12 16:29:57,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-12 16:29:57,523 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-12 16:29:57,523 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-12 16:29:57,523 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 16:29:57,523 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 16:29:57,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-12 16:29:57,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-12 16:29:57,524 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 16:29:57,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 16:29:57,524 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2022-07-12 16:29:57,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2022-07-12 16:29:57,524 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2022-07-12 16:29:57,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2022-07-12 16:29:57,524 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2022-07-12 16:29:57,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2022-07-12 16:29:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:29:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:29:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 16:29:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 16:29:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-12 16:29:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-12 16:29:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:29:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:29:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2022-07-12 16:29:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2022-07-12 16:29:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 16:29:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 16:29:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-12 16:29:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-12 16:29:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:29:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:29:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:29:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:29:57,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-12 16:29:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-12 16:29:57,527 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2022-07-12 16:29:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2022-07-12 16:29:57,527 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2022-07-12 16:29:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2022-07-12 16:29:57,527 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-12 16:29:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-12 16:29:57,528 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 16:29:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 16:29:57,528 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 16:29:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 16:29:57,528 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-07-12 16:29:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-07-12 16:29:57,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 16:29:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 16:29:57,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:29:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 16:29:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 16:29:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 16:29:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 16:29:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-12 16:29:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-12 16:29:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-07-12 16:29:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-07-12 16:29:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-12 16:29:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-12 16:29:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-12 16:29:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-12 16:29:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-12 16:29:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-12 16:29:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:29:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-12 16:29:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-12 16:29:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:29:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:29:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 16:29:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 16:29:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:29:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 16:29:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 16:29:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:29:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:29:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 16:29:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-12 16:29:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-12 16:29:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 16:29:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 16:29:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-12 16:29:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-12 16:29:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 16:29:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 16:29:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2022-07-12 16:29:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2022-07-12 16:29:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 16:29:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 16:29:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2022-07-12 16:29:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2022-07-12 16:29:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 16:29:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 16:29:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2022-07-12 16:29:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2022-07-12 16:29:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 16:29:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 16:29:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 16:29:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:29:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:29:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2022-07-12 16:29:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2022-07-12 16:29:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2022-07-12 16:29:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2022-07-12 16:29:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-12 16:29:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-12 16:29:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 16:29:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2022-07-12 16:29:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2022-07-12 16:29:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-12 16:29:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-12 16:29:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 16:29:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2022-07-12 16:29:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2022-07-12 16:29:57,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 16:29:57,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:29:57,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 16:29:57,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:29:57,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:29:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:29:57,536 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-07-12 16:29:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-07-12 16:29:57,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 16:29:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 16:29:57,537 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2022-07-12 16:29:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2022-07-12 16:29:57,537 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 16:29:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 16:29:57,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-12 16:29:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-12 16:29:57,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 16:29:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 16:29:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2022-07-12 16:29:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2022-07-12 16:29:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2022-07-12 16:29:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2022-07-12 16:29:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2022-07-12 16:29:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2022-07-12 16:29:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-12 16:29:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-12 16:29:57,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-07-12 16:29:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-07-12 16:29:57,539 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2022-07-12 16:29:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2022-07-12 16:29:57,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 16:29:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 16:29:57,539 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 16:29:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 16:29:57,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-12 16:29:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-12 16:29:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-07-12 16:29:57,540 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-07-12 16:29:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2022-07-12 16:29:57,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2022-07-12 16:29:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2022-07-12 16:29:57,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2022-07-12 16:29:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-12 16:29:57,540 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-12 16:29:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-07-12 16:29:57,541 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-07-12 16:29:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2022-07-12 16:29:57,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2022-07-12 16:29:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2022-07-12 16:29:57,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2022-07-12 16:29:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:29:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-07-12 16:29:57,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-07-12 16:29:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-12 16:29:57,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-12 16:29:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 16:29:57,542 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 16:29:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:29:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2022-07-12 16:29:57,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2022-07-12 16:29:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-12 16:29:57,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-12 16:29:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 16:29:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 16:29:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 16:29:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 16:29:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2022-07-12 16:29:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2022-07-12 16:29:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:29:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-12 16:29:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-12 16:29:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-12 16:29:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-12 16:29:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2022-07-12 16:29:57,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2022-07-12 16:29:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 16:29:57,544 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 16:29:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-12 16:29:57,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-12 16:29:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2022-07-12 16:29:57,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2022-07-12 16:29:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 16:29:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 16:29:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2022-07-12 16:29:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2022-07-12 16:29:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2022-07-12 16:29:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2022-07-12 16:29:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-07-12 16:29:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-07-12 16:29:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:29:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:29:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 16:29:57,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 16:29:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-07-12 16:29:57,546 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-07-12 16:29:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2022-07-12 16:29:57,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2022-07-12 16:29:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-12 16:29:57,546 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-12 16:29:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2022-07-12 16:29:57,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2022-07-12 16:29:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 16:29:57,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 16:29:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 16:29:57,547 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 16:29:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2022-07-12 16:29:57,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2022-07-12 16:29:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:29:57,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:29:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 16:29:57,547 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 16:29:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 16:29:57,548 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 16:29:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2022-07-12 16:29:57,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2022-07-12 16:29:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2022-07-12 16:29:57,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2022-07-12 16:29:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2022-07-12 16:29:57,548 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2022-07-12 16:29:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2022-07-12 16:29:57,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2022-07-12 16:29:57,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 16:29:57,549 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2022-07-12 16:29:57,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2022-07-12 16:29:57,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 16:29:57,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 16:29:57,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 16:29:57,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:29:57,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:29:57,549 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2022-07-12 16:29:57,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2022-07-12 16:29:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2022-07-12 16:29:57,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2022-07-12 16:29:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 16:29:57,550 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 16:29:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-12 16:29:57,550 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-12 16:29:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2022-07-12 16:29:57,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2022-07-12 16:29:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2022-07-12 16:29:57,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2022-07-12 16:29:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2022-07-12 16:29:57,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2022-07-12 16:29:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 16:29:57,551 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 16:29:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-12 16:29:57,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-12 16:29:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2022-07-12 16:29:57,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2022-07-12 16:29:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_95 [2022-07-12 16:29:57,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_95 [2022-07-12 16:29:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:29:57,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:29:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2022-07-12 16:29:57,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2022-07-12 16:29:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2022-07-12 16:29:57,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2022-07-12 16:29:57,553 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-07-12 16:29:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-07-12 16:29:57,553 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2022-07-12 16:29:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2022-07-12 16:29:57,553 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2022-07-12 16:29:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2022-07-12 16:29:57,553 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2022-07-12 16:29:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2022-07-12 16:29:57,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:29:57,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:29:58,428 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:29:58,431 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:29:58,964 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:32:15,968 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 16:32:20,238 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:32:20,254 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:32:20,255 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 16:32:20,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:32:20 BoogieIcfgContainer [2022-07-12 16:32:20,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:32:20,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:32:20,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:32:20,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:32:20,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:29:51" (1/3) ... [2022-07-12 16:32:20,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599f2b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:32:20, skipping insertion in model container [2022-07-12 16:32:20,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:56" (2/3) ... [2022-07-12 16:32:20,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599f2b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:32:20, skipping insertion in model container [2022-07-12 16:32:20,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:32:20" (3/3) ... [2022-07-12 16:32:20,268 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-07-12 16:32:20,279 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:32:20,280 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-12 16:32:20,418 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:32:20,421 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@7a48773d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7a954fd3 [2022-07-12 16:32:20,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-12 16:32:20,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 3393 states, 2349 states have (on average 1.26990208599404) internal successors, (2983), 2393 states have internal predecessors, (2983), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) [2022-07-12 16:32:20,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-07-12 16:32:20,474 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:32:20,475 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:32:20,475 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-12 16:32:20,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:32:20,479 INFO L85 PathProgramCache]: Analyzing trace with hash 231902056, now seen corresponding path program 1 times [2022-07-12 16:32:20,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:32:20,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [196111122] [2022-07-12 16:32:20,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:32:20,495 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:32:20,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:32:20,500 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:32:20,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 16:32:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:24,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 4258 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:32:24,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:32:24,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-07-12 16:32:24,977 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:32:24,977 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:32:24,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [196111122] [2022-07-12 16:32:24,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [196111122] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:32:24,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:32:24,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:32:24,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759501055] [2022-07-12 16:32:24,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:32:24,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:32:24,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:32:25,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:32:25,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:32:25,016 INFO L87 Difference]: Start difference. First operand has 3393 states, 2349 states have (on average 1.26990208599404) internal successors, (2983), 2393 states have internal predecessors, (2983), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-07-12 16:32:26,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:32:26,032 INFO L93 Difference]: Finished difference Result 9957 states and 14207 transitions. [2022-07-12 16:32:26,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:32:26,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 261 [2022-07-12 16:32:26,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:32:26,082 INFO L225 Difference]: With dead ends: 9957 [2022-07-12 16:32:26,082 INFO L226 Difference]: Without dead ends: 6593 [2022-07-12 16:32:26,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:32:26,111 INFO L413 NwaCegarLoop]: 5497 mSDtfsCounter, 4496 mSDsluCounter, 4623 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4496 SdHoareTripleChecker+Valid, 10120 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 16:32:26,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4496 Valid, 10120 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 16:32:26,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6593 states. [2022-07-12 16:32:26,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6593 to 6587. [2022-07-12 16:32:26,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6587 states, 4587 states have (on average 1.264442991061696) internal successors, (5800), 4671 states have internal predecessors, (5800), 1658 states have call successors, (1658), 339 states have call predecessors, (1658), 338 states have return successors, (1654), 1622 states have call predecessors, (1654), 1654 states have call successors, (1654) [2022-07-12 16:32:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6587 states to 6587 states and 9112 transitions. [2022-07-12 16:32:26,520 INFO L78 Accepts]: Start accepts. Automaton has 6587 states and 9112 transitions. Word has length 261 [2022-07-12 16:32:26,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:32:26,524 INFO L495 AbstractCegarLoop]: Abstraction has 6587 states and 9112 transitions. [2022-07-12 16:32:26,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-07-12 16:32:26,524 INFO L276 IsEmpty]: Start isEmpty. Operand 6587 states and 9112 transitions. [2022-07-12 16:32:26,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-07-12 16:32:26,531 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:32:26,531 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:32:26,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 16:32:26,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:32:26,752 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-12 16:32:26,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:32:26,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1555219149, now seen corresponding path program 1 times [2022-07-12 16:32:26,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:32:26,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [888426879] [2022-07-12 16:32:26,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:32:26,755 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:32:26,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:32:26,762 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:32:26,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 16:32:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:31,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 4376 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:32:31,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:32:31,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-07-12 16:32:31,739 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:32:31,740 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:32:31,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [888426879] [2022-07-12 16:32:31,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [888426879] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:32:31,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:32:31,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:32:31,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228406329] [2022-07-12 16:32:31,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:32:31,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:32:31,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:32:31,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:32:31,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:32:31,742 INFO L87 Difference]: Start difference. First operand 6587 states and 9112 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 16:32:32,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:32:32,813 INFO L93 Difference]: Finished difference Result 16311 states and 22552 transitions. [2022-07-12 16:32:32,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:32:32,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 267 [2022-07-12 16:32:32,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:32:32,886 INFO L225 Difference]: With dead ends: 16311 [2022-07-12 16:32:32,887 INFO L226 Difference]: Without dead ends: 9771 [2022-07-12 16:32:32,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:32:32,929 INFO L413 NwaCegarLoop]: 5560 mSDtfsCounter, 4465 mSDsluCounter, 4617 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4465 SdHoareTripleChecker+Valid, 10177 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:32:32,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4465 Valid, 10177 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 16:32:32,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9771 states. [2022-07-12 16:32:33,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9771 to 9737. [2022-07-12 16:32:33,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9737 states, 6776 states have (on average 1.2629870129870129) internal successors, (8558), 6904 states have internal predecessors, (8558), 2449 states have call successors, (2449), 509 states have call predecessors, (2449), 508 states have return successors, (2445), 2392 states have call predecessors, (2445), 2445 states have call successors, (2445) [2022-07-12 16:32:33,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9737 states to 9737 states and 13452 transitions. [2022-07-12 16:32:33,364 INFO L78 Accepts]: Start accepts. Automaton has 9737 states and 13452 transitions. Word has length 267 [2022-07-12 16:32:33,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:32:33,367 INFO L495 AbstractCegarLoop]: Abstraction has 9737 states and 13452 transitions. [2022-07-12 16:32:33,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 16:32:33,368 INFO L276 IsEmpty]: Start isEmpty. Operand 9737 states and 13452 transitions. [2022-07-12 16:32:33,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-12 16:32:33,373 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:32:33,373 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:32:33,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 16:32:33,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:32:33,595 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)] === [2022-07-12 16:32:33,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:32:33,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1940313471, now seen corresponding path program 1 times [2022-07-12 16:32:33,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:32:33,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [656849018] [2022-07-12 16:32:33,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:32:33,599 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:32:33,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:32:33,615 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:32:33,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 16:32:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:38,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 4399 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:32:38,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:32:38,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-07-12 16:32:38,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:32:38,421 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:32:38,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [656849018] [2022-07-12 16:32:38,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [656849018] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:32:38,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:32:38,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:32:38,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522963293] [2022-07-12 16:32:38,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:32:38,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:32:38,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:32:38,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:32:38,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:32:38,422 INFO L87 Difference]: Start difference. First operand 9737 states and 13452 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-12 16:32:38,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:32:38,966 INFO L93 Difference]: Finished difference Result 19205 states and 26507 transitions. [2022-07-12 16:32:38,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:32:38,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 269 [2022-07-12 16:32:38,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:32:39,030 INFO L225 Difference]: With dead ends: 19205 [2022-07-12 16:32:39,030 INFO L226 Difference]: Without dead ends: 9515 [2022-07-12 16:32:39,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:32:39,074 INFO L413 NwaCegarLoop]: 4561 mSDtfsCounter, 4459 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4459 SdHoareTripleChecker+Valid, 4649 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:32:39,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4459 Valid, 4649 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 16:32:39,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9515 states. [2022-07-12 16:32:39,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9515 to 9515. [2022-07-12 16:32:39,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9515 states, 6633 states have (on average 1.2620232172470978) internal successors, (8371), 6752 states have internal predecessors, (8371), 2375 states have call successors, (2375), 504 states have call predecessors, (2375), 503 states have return successors, (2371), 2321 states have call predecessors, (2371), 2371 states have call successors, (2371) [2022-07-12 16:32:39,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9515 states to 9515 states and 13117 transitions. [2022-07-12 16:32:39,390 INFO L78 Accepts]: Start accepts. Automaton has 9515 states and 13117 transitions. Word has length 269 [2022-07-12 16:32:39,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:32:39,392 INFO L495 AbstractCegarLoop]: Abstraction has 9515 states and 13117 transitions. [2022-07-12 16:32:39,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-12 16:32:39,392 INFO L276 IsEmpty]: Start isEmpty. Operand 9515 states and 13117 transitions. [2022-07-12 16:32:39,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-07-12 16:32:39,396 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:32:39,396 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:32:39,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-12 16:32:39,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:32:39,613 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)] === [2022-07-12 16:32:39,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:32:39,614 INFO L85 PathProgramCache]: Analyzing trace with hash -164154417, now seen corresponding path program 1 times [2022-07-12 16:32:39,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:32:39,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [487414756] [2022-07-12 16:32:39,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:32:39,617 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:32:39,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:32:39,621 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:32:39,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 16:32:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:43,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 4412 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:32:43,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:32:44,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-07-12 16:32:44,059 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:32:44,059 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:32:44,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [487414756] [2022-07-12 16:32:44,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [487414756] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:32:44,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:32:44,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:32:44,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611415399] [2022-07-12 16:32:44,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:32:44,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:32:44,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:32:44,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:32:44,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:32:44,061 INFO L87 Difference]: Start difference. First operand 9515 states and 13117 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 16:32:45,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:32:45,861 INFO L93 Difference]: Finished difference Result 27887 states and 38463 transitions. [2022-07-12 16:32:45,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:32:45,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 273 [2022-07-12 16:32:45,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:32:45,937 INFO L225 Difference]: With dead ends: 27887 [2022-07-12 16:32:45,937 INFO L226 Difference]: Without dead ends: 18440 [2022-07-12 16:32:45,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:32:45,977 INFO L413 NwaCegarLoop]: 5481 mSDtfsCounter, 4195 mSDsluCounter, 4447 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4195 SdHoareTripleChecker+Valid, 9928 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 16:32:45,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4195 Valid, 9928 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 16:32:45,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18440 states. [2022-07-12 16:32:46,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18440 to 18402. [2022-07-12 16:32:46,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18402 states, 12809 states have (on average 1.2585681942384261) internal successors, (16121), 13050 states have internal predecessors, (16121), 4591 states have call successors, (4591), 999 states have call predecessors, (4591), 998 states have return successors, (4587), 4478 states have call predecessors, (4587), 4587 states have call successors, (4587) [2022-07-12 16:32:46,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18402 states to 18402 states and 25299 transitions. [2022-07-12 16:32:46,679 INFO L78 Accepts]: Start accepts. Automaton has 18402 states and 25299 transitions. Word has length 273 [2022-07-12 16:32:46,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:32:46,680 INFO L495 AbstractCegarLoop]: Abstraction has 18402 states and 25299 transitions. [2022-07-12 16:32:46,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 16:32:46,680 INFO L276 IsEmpty]: Start isEmpty. Operand 18402 states and 25299 transitions. [2022-07-12 16:32:46,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-07-12 16:32:46,683 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:32:46,684 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:32:46,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 16:32:46,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:32:46,903 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)] === [2022-07-12 16:32:46,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:32:46,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1212971432, now seen corresponding path program 1 times [2022-07-12 16:32:46,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:32:46,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1280538199] [2022-07-12 16:32:46,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:32:46,907 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:32:46,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:32:46,911 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:32:46,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 16:32:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:51,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 4428 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:32:51,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:32:51,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-07-12 16:32:51,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:32:51,502 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:32:51,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1280538199] [2022-07-12 16:32:51,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1280538199] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:32:51,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:32:51,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:32:51,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619513918] [2022-07-12 16:32:51,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:32:51,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:32:51,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:32:51,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:32:51,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:32:51,503 INFO L87 Difference]: Start difference. First operand 18402 states and 25299 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-12 16:32:53,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:32:53,572 INFO L93 Difference]: Finished difference Result 50766 states and 69875 transitions. [2022-07-12 16:32:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:32:53,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 273 [2022-07-12 16:32:53,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:32:53,712 INFO L225 Difference]: With dead ends: 50766 [2022-07-12 16:32:53,713 INFO L226 Difference]: Without dead ends: 32432 [2022-07-12 16:32:53,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:32:53,775 INFO L413 NwaCegarLoop]: 5241 mSDtfsCounter, 3508 mSDsluCounter, 4434 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3508 SdHoareTripleChecker+Valid, 9675 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-12 16:32:53,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3508 Valid, 9675 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-12 16:32:53,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32432 states. [2022-07-12 16:32:54,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32432 to 32390. [2022-07-12 16:32:54,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32390 states, 22452 states have (on average 1.252984143951541) internal successors, (28132), 22877 states have internal predecessors, (28132), 8111 states have call successors, (8111), 1842 states have call predecessors, (8111), 1823 states have return successors, (8338), 7868 states have call predecessors, (8338), 8107 states have call successors, (8338) [2022-07-12 16:32:54,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32390 states to 32390 states and 44581 transitions. [2022-07-12 16:32:54,907 INFO L78 Accepts]: Start accepts. Automaton has 32390 states and 44581 transitions. Word has length 273 [2022-07-12 16:32:54,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:32:54,908 INFO L495 AbstractCegarLoop]: Abstraction has 32390 states and 44581 transitions. [2022-07-12 16:32:54,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-12 16:32:54,908 INFO L276 IsEmpty]: Start isEmpty. Operand 32390 states and 44581 transitions. [2022-07-12 16:32:54,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-07-12 16:32:54,915 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:32:54,916 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 21, 21, 21, 21, 21, 21, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:32:55,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 16:32:55,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:32:55,143 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-12 16:32:55,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:32:55,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1143531245, now seen corresponding path program 1 times [2022-07-12 16:32:55,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:32:55,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [482361410] [2022-07-12 16:32:55,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:32:55,148 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:32:55,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:32:55,149 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:32:55,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 16:32:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:59,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 4445 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:32:59,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:32:59,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-07-12 16:32:59,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:32:59,998 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:32:59,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [482361410] [2022-07-12 16:32:59,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [482361410] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:32:59,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:32:59,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:32:59,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550793541] [2022-07-12 16:32:59,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:32:59,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:32:59,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:33:00,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:33:00,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:33:00,000 INFO L87 Difference]: Start difference. First operand 32390 states and 44581 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-12 16:33:02,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:33:02,100 INFO L93 Difference]: Finished difference Result 80599 states and 110839 transitions. [2022-07-12 16:33:02,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:33:02,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 298 [2022-07-12 16:33:02,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:33:02,322 INFO L225 Difference]: With dead ends: 80599 [2022-07-12 16:33:02,323 INFO L226 Difference]: Without dead ends: 48277 [2022-07-12 16:33:02,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:33:02,414 INFO L413 NwaCegarLoop]: 5561 mSDtfsCounter, 4356 mSDsluCounter, 4496 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4356 SdHoareTripleChecker+Valid, 10057 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:33:02,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4356 Valid, 10057 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 16:33:02,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48277 states. [2022-07-12 16:33:03,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48277 to 48229. [2022-07-12 16:33:03,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48229 states, 33446 states have (on average 1.2501046462955212) internal successors, (41811), 34104 states have internal predecessors, (41811), 12028 states have call successors, (12028), 2779 states have call predecessors, (12028), 2751 states have return successors, (12349), 11642 states have call predecessors, (12349), 12024 states have call successors, (12349) [2022-07-12 16:33:04,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48229 states to 48229 states and 66188 transitions. [2022-07-12 16:33:04,083 INFO L78 Accepts]: Start accepts. Automaton has 48229 states and 66188 transitions. Word has length 298 [2022-07-12 16:33:04,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:33:04,084 INFO L495 AbstractCegarLoop]: Abstraction has 48229 states and 66188 transitions. [2022-07-12 16:33:04,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-12 16:33:04,084 INFO L276 IsEmpty]: Start isEmpty. Operand 48229 states and 66188 transitions. [2022-07-12 16:33:04,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-12 16:33:04,088 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:33:04,089 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:33:04,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 16:33:04,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:33:04,315 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2022-07-12 16:33:04,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:33:04,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1261741797, now seen corresponding path program 1 times [2022-07-12 16:33:04,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:33:04,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [456344027] [2022-07-12 16:33:04,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:33:04,319 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:33:04,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:33:04,321 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:33:04,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 16:33:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:33:08,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 4618 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:33:08,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:33:09,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-07-12 16:33:09,301 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:33:09,301 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:33:09,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [456344027] [2022-07-12 16:33:09,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [456344027] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:33:09,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:33:09,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:33:09,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004541315] [2022-07-12 16:33:09,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:33:09,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:33:09,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:33:09,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:33:09,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:33:09,302 INFO L87 Difference]: Start difference. First operand 48229 states and 66188 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-12 16:33:11,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:33:11,998 INFO L93 Difference]: Finished difference Result 122851 states and 168224 transitions. [2022-07-12 16:33:11,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:33:11,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 306 [2022-07-12 16:33:11,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:33:12,373 INFO L225 Difference]: With dead ends: 122851 [2022-07-12 16:33:12,374 INFO L226 Difference]: Without dead ends: 74690 [2022-07-12 16:33:12,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:33:12,647 INFO L413 NwaCegarLoop]: 7511 mSDtfsCounter, 3659 mSDsluCounter, 4467 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3659 SdHoareTripleChecker+Valid, 11978 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 16:33:12,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3659 Valid, 11978 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 16:33:12,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74690 states. [2022-07-12 16:33:14,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74690 to 74628. [2022-07-12 16:33:14,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74628 states, 51761 states have (on average 1.2448368462742219) internal successors, (64434), 52804 states have internal predecessors, (64434), 18427 states have call successors, (18427), 4495 states have call predecessors, (18427), 4436 states have return successors, (18919), 17788 states have call predecessors, (18919), 18423 states have call successors, (18919) [2022-07-12 16:33:15,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74628 states to 74628 states and 101780 transitions. [2022-07-12 16:33:15,139 INFO L78 Accepts]: Start accepts. Automaton has 74628 states and 101780 transitions. Word has length 306 [2022-07-12 16:33:15,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:33:15,141 INFO L495 AbstractCegarLoop]: Abstraction has 74628 states and 101780 transitions. [2022-07-12 16:33:15,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-12 16:33:15,141 INFO L276 IsEmpty]: Start isEmpty. Operand 74628 states and 101780 transitions. [2022-07-12 16:33:15,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-07-12 16:33:15,171 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:33:15,171 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:33:15,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-12 16:33:15,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:33:15,372 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)] === [2022-07-12 16:33:15,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:33:15,373 INFO L85 PathProgramCache]: Analyzing trace with hash -655015660, now seen corresponding path program 1 times [2022-07-12 16:33:15,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:33:15,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572175257] [2022-07-12 16:33:15,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:33:15,376 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:33:15,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:33:15,377 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:33:15,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 16:33:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:33:19,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 4386 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:33:19,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:33:19,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2100 trivial. 0 not checked. [2022-07-12 16:33:19,864 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:33:19,864 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:33:19,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572175257] [2022-07-12 16:33:19,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [572175257] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:33:19,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:33:19,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:33:19,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281940056] [2022-07-12 16:33:19,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:33:19,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:33:19,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:33:19,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:33:19,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:33:19,865 INFO L87 Difference]: Start difference. First operand 74628 states and 101780 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-12 16:33:23,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:33:23,835 INFO L93 Difference]: Finished difference Result 221122 states and 301635 transitions. [2022-07-12 16:33:23,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:33:23,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 321 [2022-07-12 16:33:23,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:33:24,672 INFO L225 Difference]: With dead ends: 221122 [2022-07-12 16:33:24,672 INFO L226 Difference]: Without dead ends: 146814 [2022-07-12 16:33:25,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:33:25,166 INFO L413 NwaCegarLoop]: 6284 mSDtfsCounter, 4326 mSDsluCounter, 4508 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4326 SdHoareTripleChecker+Valid, 10792 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 16:33:25,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4326 Valid, 10792 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 16:33:25,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146814 states. [2022-07-12 16:33:29,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146814 to 146808. [2022-07-12 16:33:29,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146808 states, 101932 states have (on average 1.2439077031746655) internal successors, (126794), 103839 states have internal predecessors, (126794), 36127 states have call successors, (36127), 8846 states have call predecessors, (36127), 8745 states have return successors, (37115), 35042 states have call predecessors, (37115), 36123 states have call successors, (37115) [2022-07-12 16:33:30,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146808 states to 146808 states and 200036 transitions. [2022-07-12 16:33:30,552 INFO L78 Accepts]: Start accepts. Automaton has 146808 states and 200036 transitions. Word has length 321 [2022-07-12 16:33:30,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:33:30,552 INFO L495 AbstractCegarLoop]: Abstraction has 146808 states and 200036 transitions. [2022-07-12 16:33:30,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-12 16:33:30,553 INFO L276 IsEmpty]: Start isEmpty. Operand 146808 states and 200036 transitions. [2022-07-12 16:33:30,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-07-12 16:33:30,556 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:33:30,556 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:33:30,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-12 16:33:30,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:33:30,771 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)] === [2022-07-12 16:33:30,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:33:30,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1268212374, now seen corresponding path program 1 times [2022-07-12 16:33:30,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:33:30,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947577717] [2022-07-12 16:33:30,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:33:30,775 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:33:30,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:33:30,777 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:33:30,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 16:33:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:33:34,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 4386 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 16:33:34,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:33:41,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2196 trivial. 0 not checked. [2022-07-12 16:33:41,059 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:33:41,059 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:33:41,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947577717] [2022-07-12 16:33:41,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [947577717] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:33:41,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:33:41,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:33:41,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859809276] [2022-07-12 16:33:41,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:33:41,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:33:41,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:33:41,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:33:41,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:33:41,060 INFO L87 Difference]: Start difference. First operand 146808 states and 200036 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-07-12 16:33:44,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:33:44,375 INFO L93 Difference]: Finished difference Result 146814 states and 200041 transitions. [2022-07-12 16:33:44,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:33:44,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 321 [2022-07-12 16:33:44,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:33:45,018 INFO L225 Difference]: With dead ends: 146814 [2022-07-12 16:33:45,019 INFO L226 Difference]: Without dead ends: 146812 [2022-07-12 16:33:45,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:33:45,091 INFO L413 NwaCegarLoop]: 4538 mSDtfsCounter, 4420 mSDsluCounter, 9059 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4421 SdHoareTripleChecker+Valid, 13597 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:33:45,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4421 Valid, 13597 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 16:33:45,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146812 states. [2022-07-12 16:33:49,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146812 to 146812. [2022-07-12 16:33:49,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146812 states, 101935 states have (on average 1.2439005248442636) internal successors, (126797), 103842 states have internal predecessors, (126797), 36127 states have call successors, (36127), 8847 states have call predecessors, (36127), 8746 states have return successors, (37115), 35042 states have call predecessors, (37115), 36123 states have call successors, (37115) [2022-07-12 16:33:50,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146812 states to 146812 states and 200039 transitions. [2022-07-12 16:33:50,613 INFO L78 Accepts]: Start accepts. Automaton has 146812 states and 200039 transitions. Word has length 321 [2022-07-12 16:33:50,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:33:50,614 INFO L495 AbstractCegarLoop]: Abstraction has 146812 states and 200039 transitions. [2022-07-12 16:33:50,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-07-12 16:33:50,614 INFO L276 IsEmpty]: Start isEmpty. Operand 146812 states and 200039 transitions. [2022-07-12 16:33:50,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-07-12 16:33:50,617 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:33:50,617 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:33:50,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-12 16:33:50,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:33:50,831 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)] === [2022-07-12 16:33:50,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:33:50,832 INFO L85 PathProgramCache]: Analyzing trace with hash 375010989, now seen corresponding path program 1 times [2022-07-12 16:33:50,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:33:50,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318684853] [2022-07-12 16:33:50,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:33:50,835 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:33:50,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:33:50,837 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:33:50,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-12 16:33:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:33:55,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 4393 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 16:33:55,049 INFO L286 TraceCheckSpWp]: Computing forward predicates...