./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-wireless-rtl818x-rtl8180-rtl8180.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-wireless-rtl818x-rtl8180-rtl8180.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 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 16:33:28,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:33:28,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:33:29,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:33:29,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:33:29,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:33:29,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:33:29,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:33:29,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:33:29,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:33:29,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:33:29,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:33:29,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:33:29,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:33:29,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:33:29,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:33:29,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:33:29,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:33:29,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:33:29,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:33:29,035 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:33:29,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:33:29,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:33:29,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:33:29,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:33:29,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:33:29,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:33:29,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:33:29,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:33:29,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:33:29,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:33:29,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:33:29,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:33:29,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:33:29,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:33:29,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:33:29,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:33:29,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:33:29,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:33:29,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:33:29,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:33:29,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:33:29,051 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:33:29,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:33:29,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:33:29,076 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:33:29,076 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:33:29,077 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:33:29,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:33:29,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:33:29,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:33:29,078 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:33:29,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:33:29,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:33:29,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:33:29,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:33:29,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:33:29,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:33:29,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:33:29,080 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:33:29,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:33:29,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:33:29,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:33:29,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:33:29,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:33:29,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:33:29,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:33:29,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:33:29,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:33:29,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:33:29,082 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:33:29,082 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:33:29,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:33:29,082 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 [2022-07-12 16:33:29,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:33:29,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:33:29,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:33:29,274 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:33:29,275 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:33:29,276 INFO L432 ainManager$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-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-12 16:33:29,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58cd0b2a4/b5362eeaf3314ad09941ee8c64e56c1c/FLAGc1f165391 [2022-07-12 16:33:29,942 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:33:29,943 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-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-12 16:33:30,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58cd0b2a4/b5362eeaf3314ad09941ee8c64e56c1c/FLAGc1f165391 [2022-07-12 16:33:30,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58cd0b2a4/b5362eeaf3314ad09941ee8c64e56c1c [2022-07-12 16:33:30,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:33:30,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:33:30,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:33:30,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:33:30,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:33:30,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:33:30" (1/1) ... [2022-07-12 16:33:30,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b813a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:33:30, skipping insertion in model container [2022-07-12 16:33:30,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:33:30" (1/1) ... [2022-07-12 16:33:30,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:33:30,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:33:32,701 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2022-07-12 16:33:32,703 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2022-07-12 16:33:32,704 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2022-07-12 16:33:32,709 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2022-07-12 16:33:32,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:33:32,786 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:33:32,973 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: eeprom_val = (unsigned int )eeprom_val & 255U [9064] 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 16:33:32,980 INFO L158 Benchmark]: Toolchain (without parser) took 2681.57ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 96.1MB in the beginning and 119.6MB in the end (delta: -23.5MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. [2022-07-12 16:33:32,981 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 42.5MB in the beginning and 42.5MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 16:33:32,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2680.03ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 95.7MB in the beginning and 119.6MB in the end (delta: -23.9MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. [2022-07-12 16:33:32,983 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 42.5MB in the beginning and 42.5MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2680.03ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 95.7MB in the beginning and 119.6MB in the end (delta: -23.9MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9064] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9064]: 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-wireless-rtl818x-rtl8180-rtl8180.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 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 16:33:34,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:33:34,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:33:34,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:33:34,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:33:34,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:33:34,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:33:34,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:33:34,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:33:34,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:33:34,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:33:34,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:33:34,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:33:34,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:33:34,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:33:34,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:33:34,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:33:34,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:33:34,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:33:34,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:33:34,495 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:33:34,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:33:34,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:33:34,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:33:34,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:33:34,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:33:34,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:33:34,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:33:34,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:33:34,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:33:34,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:33:34,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:33:34,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:33:34,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:33:34,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:33:34,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:33:34,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:33:34,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:33:34,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:33:34,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:33:34,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:33:34,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:33:34,515 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 16:33:34,541 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:33:34,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:33:34,542 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:33:34,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:33:34,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:33:34,543 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:33:34,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:33:34,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:33:34,544 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:33:34,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:33:34,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:33:34,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:33:34,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:33:34,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:33:34,545 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 16:33:34,545 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 16:33:34,546 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 16:33:34,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:33:34,546 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:33:34,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:33:34,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:33:34,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:33:34,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:33:34,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:33:34,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:33:34,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:33:34,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:33:34,547 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 16:33:34,548 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 16:33:34,548 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:33:34,548 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:33:34,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:33:34,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 16:33:34,548 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 [2022-07-12 16:33:34,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:33:34,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:33:34,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:33:34,807 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:33:34,807 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:33:34,808 INFO L432 ainManager$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-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-12 16:33:34,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d69f4b009/b484fa2057c849308c24191668fa1b2c/FLAG0031efba1 [2022-07-12 16:33:35,608 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:33:35,609 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-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-12 16:33:35,659 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d69f4b009/b484fa2057c849308c24191668fa1b2c/FLAG0031efba1 [2022-07-12 16:33:35,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d69f4b009/b484fa2057c849308c24191668fa1b2c [2022-07-12 16:33:35,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:33:35,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:33:35,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:33:35,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:33:35,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:33:35,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:33:35" (1/1) ... [2022-07-12 16:33:35,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec30e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:33:35, skipping insertion in model container [2022-07-12 16:33:35,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:33:35" (1/1) ... [2022-07-12 16:33:35,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:33:36,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:33:37,983 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-12 16:33:38,032 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-12 16:33:38,060 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-12 16:33:38,406 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2022-07-12 16:33:38,408 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2022-07-12 16:33:38,409 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2022-07-12 16:33:38,409 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2022-07-12 16:33:38,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:33:38,481 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 16:33:38,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:33:38,785 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2022-07-12 16:33:38,786 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2022-07-12 16:33:38,786 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2022-07-12 16:33:38,786 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2022-07-12 16:33:38,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:33:38,818 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:33:39,085 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2022-07-12 16:33:39,085 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2022-07-12 16:33:39,086 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2022-07-12 16:33:39,086 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2022-07-12 16:33:39,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:33:39,230 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:33:39,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:33:39 WrapperNode [2022-07-12 16:33:39,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:33:39,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:33:39,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:33:39,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:33:39,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:33:39" (1/1) ... [2022-07-12 16:33:39,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:33:39" (1/1) ... [2022-07-12 16:33:39,541 INFO L137 Inliner]: procedures = 537, calls = 3749, calls flagged for inlining = 276, calls inlined = 260, statements flattened = 6599 [2022-07-12 16:33:39,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:33:39,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:33:39,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:33:39,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:33:39,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:33:39" (1/1) ... [2022-07-12 16:33:39,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:33:39" (1/1) ... [2022-07-12 16:33:39,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:33:39" (1/1) ... [2022-07-12 16:33:39,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:33:39" (1/1) ... [2022-07-12 16:33:39,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:33:39" (1/1) ... [2022-07-12 16:33:39,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:33:39" (1/1) ... [2022-07-12 16:33:39,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:33:39" (1/1) ... [2022-07-12 16:33:39,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:33:39,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:33:39,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:33:39,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:33:39,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:33:39" (1/1) ... [2022-07-12 16:33:39,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:33:39,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:33:39,939 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 16:33:39,947 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 16:33:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-07-12 16:33:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-07-12 16:33:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-12 16:33:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-12 16:33:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-07-12 16:33:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-07-12 16:33:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-07-12 16:33:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-07-12 16:33:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 16:33:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 16:33:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:33:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:33:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:33:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:33:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-07-12 16:33:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-07-12 16:33:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-07-12 16:33:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-07-12 16:33:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 16:33:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 16:33:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 16:33:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 16:33:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 16:33:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 16:33:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 16:33:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 16:33:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-07-12 16:33:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-07-12 16:33:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-07-12 16:33:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-07-12 16:33:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-07-12 16:33:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-07-12 16:33:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:33:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:33:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-07-12 16:33:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-07-12 16:33:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-07-12 16:33:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-07-12 16:33:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-07-12 16:33:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-07-12 16:33:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:33:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:33:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 16:33:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 16:33:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2022-07-12 16:33:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2022-07-12 16:33:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:33:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-07-12 16:33:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-07-12 16:33:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 16:33:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 16:33:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 16:33:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 16:33:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-07-12 16:33:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-07-12 16:33:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-07-12 16:33:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-07-12 16:33:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-07-12 16:33:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-07-12 16:33:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2022-07-12 16:33:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2022-07-12 16:33:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 16:33:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 16:33:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 16:33:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 16:33:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-07-12 16:33:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-07-12 16:33:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:33:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:33:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-07-12 16:33:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-07-12 16:33:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 16:33:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 16:33:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-07-12 16:33:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-07-12 16:33:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:33:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:33:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 16:33:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 16:33:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:33:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:33:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:33:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:33:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-12 16:33:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-12 16:33:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-07-12 16:33:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-07-12 16:33:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-07-12 16:33:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-07-12 16:33:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 16:33:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 16:33:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 16:33:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 16:33:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-07-12 16:33:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-07-12 16:33:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-07-12 16:33:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-07-12 16:33:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-07-12 16:33:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-07-12 16:33:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 16:33:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 16:33:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-12 16:33:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-12 16:33:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:33:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 16:33:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 16:33:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 16:33:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 16:33:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:33:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-12 16:33:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-12 16:33:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-12 16:33:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-12 16:33:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-07-12 16:33:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-07-12 16:33:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:33:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:33:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 16:33:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 16:33:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:33:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 16:33:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 16:33:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:33:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:33:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 16:33:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-07-12 16:33:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-07-12 16:33:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2022-07-12 16:33:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2022-07-12 16:33:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-07-12 16:33:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-07-12 16:33:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 16:33:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 16:33:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2022-07-12 16:33:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2022-07-12 16:33:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-07-12 16:33:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-07-12 16:33:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2022-07-12 16:33:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2022-07-12 16:33:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-07-12 16:33:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-07-12 16:33:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-07-12 16:33:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-07-12 16:33:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 16:33:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-12 16:33:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-12 16:33:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:33:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:33:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 16:33:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 16:33:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 16:33:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-07-12 16:33:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-07-12 16:33:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 16:33:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 16:33:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:33:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 16:33:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:33:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:33:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:33:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-07-12 16:33:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-07-12 16:33:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 16:33:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 16:33:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-07-12 16:33:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-07-12 16:33:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-07-12 16:33:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-07-12 16:33:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-07-12 16:33:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-07-12 16:33:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-07-12 16:33:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-07-12 16:33:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-12 16:33:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-12 16:33:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 16:33:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 16:33:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 16:33:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 16:33:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-07-12 16:33:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-07-12 16:33:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 16:33:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 16:33:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-12 16:33:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-12 16:33:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-07-12 16:33:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-07-12 16:33:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:33:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-07-12 16:33:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-07-12 16:33:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:33:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 16:33:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 16:33:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 16:33:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 16:33:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:33:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-12 16:33:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-12 16:33:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:33:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:33:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-07-12 16:33:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-07-12 16:33:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-07-12 16:33:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-07-12 16:33:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-07-12 16:33:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-07-12 16:33:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2022-07-12 16:33:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2022-07-12 16:33:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-12 16:33:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-12 16:33:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-07-12 16:33:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-07-12 16:33:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:33:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:33:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-07-12 16:33:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-07-12 16:33:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 16:33:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 16:33:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-07-12 16:33:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-07-12 16:33:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 16:33:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 16:33:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-12 16:33:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-12 16:33:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:33:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:33:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-07-12 16:33:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-07-12 16:33:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-07-12 16:33:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-07-12 16:33:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2022-07-12 16:33:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2022-07-12 16:33:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-12 16:33:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-12 16:33:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-12 16:33:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-12 16:33:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:33:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:33:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-07-12 16:33:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-07-12 16:33:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-12 16:33:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-12 16:33:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-07-12 16:33:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-07-12 16:33:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-07-12 16:33:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-07-12 16:33:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-12 16:33:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-12 16:33:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-12 16:33:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-07-12 16:33:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-07-12 16:33:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:33:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:33:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-07-12 16:33:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-07-12 16:33:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-07-12 16:33:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-07-12 16:33:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-12 16:33:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-12 16:33:40,859 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:33:40,861 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:33:41,142 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:34:14,762 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 16:34:14,846 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:34:14,860 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:34:14,860 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 16:34:14,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:34:14 BoogieIcfgContainer [2022-07-12 16:34:14,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:34:14,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:34:14,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:34:14,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:34:14,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:33:35" (1/3) ... [2022-07-12 16:34:14,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6136ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:34:14, skipping insertion in model container [2022-07-12 16:34:14,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:33:39" (2/3) ... [2022-07-12 16:34:14,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6136ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:34:14, skipping insertion in model container [2022-07-12 16:34:14,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:34:14" (3/3) ... [2022-07-12 16:34:14,869 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-12 16:34:14,879 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:34:14,880 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-12 16:34:14,952 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:34:14,956 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@6788b803, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7241d697 [2022-07-12 16:34:14,956 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-12 16:34:14,967 INFO L276 IsEmpty]: Start isEmpty. Operand has 3088 states, 1764 states have (on average 1.251700680272109) internal successors, (2208), 1802 states have internal predecessors, (2208), 1209 states have call successors, (1209), 113 states have call predecessors, (1209), 112 states have return successors, (1201), 1184 states have call predecessors, (1201), 1201 states have call successors, (1201) [2022-07-12 16:34:14,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2022-07-12 16:34:14,989 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:34:14,990 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:34:14,990 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:34:14,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:34:14,995 INFO L85 PathProgramCache]: Analyzing trace with hash 978317410, now seen corresponding path program 1 times [2022-07-12 16:34:15,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:34:15,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843264998] [2022-07-12 16:34:15,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:34:15,016 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:34:15,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:34:15,018 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 16:34:15,024 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 16:34:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:34:21,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 3751 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:34:21,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:34:22,055 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-12 16:34:22,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:34:22,056 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:34:22,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1843264998] [2022-07-12 16:34:22,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1843264998] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:34:22,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:34:22,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:34:22,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968764885] [2022-07-12 16:34:22,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:34:22,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:34:22,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:34:22,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:34:22,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:34:22,100 INFO L87 Difference]: Start difference. First operand has 3088 states, 1764 states have (on average 1.251700680272109) internal successors, (2208), 1802 states have internal predecessors, (2208), 1209 states have call successors, (1209), 113 states have call predecessors, (1209), 112 states have return successors, (1201), 1184 states have call predecessors, (1201), 1201 states have call successors, (1201) Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-12 16:34:23,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:34:23,199 INFO L93 Difference]: Finished difference Result 9016 states and 13606 transitions. [2022-07-12 16:34:23,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:34:23,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 424 [2022-07-12 16:34:23,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:34:23,272 INFO L225 Difference]: With dead ends: 9016 [2022-07-12 16:34:23,272 INFO L226 Difference]: Without dead ends: 5991 [2022-07-12 16:34:23,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:34:23,308 INFO L413 NwaCegarLoop]: 5753 mSDtfsCounter, 4395 mSDsluCounter, 4554 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4395 SdHoareTripleChecker+Valid, 10307 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 16:34:23,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4395 Valid, 10307 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 16:34:23,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5991 states. [2022-07-12 16:34:23,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5991 to 5987. [2022-07-12 16:34:23,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5987 states, 3430 states have (on average 1.2486880466472303) internal successors, (4283), 3501 states have internal predecessors, (4283), 2334 states have call successors, (2334), 221 states have call predecessors, (2334), 220 states have return successors, (2330), 2296 states have call predecessors, (2330), 2330 states have call successors, (2330) [2022-07-12 16:34:23,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5987 states to 5987 states and 8947 transitions. [2022-07-12 16:34:23,784 INFO L78 Accepts]: Start accepts. Automaton has 5987 states and 8947 transitions. Word has length 424 [2022-07-12 16:34:23,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:34:23,788 INFO L495 AbstractCegarLoop]: Abstraction has 5987 states and 8947 transitions. [2022-07-12 16:34:23,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-12 16:34:23,789 INFO L276 IsEmpty]: Start isEmpty. Operand 5987 states and 8947 transitions. [2022-07-12 16:34:23,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2022-07-12 16:34:23,801 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:34:23,802 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:34:23,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-12 16:34:24,015 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 16:34:24,016 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:34:24,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:34:24,017 INFO L85 PathProgramCache]: Analyzing trace with hash -548436740, now seen corresponding path program 1 times [2022-07-12 16:34:24,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:34:24,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [910331641] [2022-07-12 16:34:24,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:34:24,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:34:24,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:34:24,022 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 16:34:24,024 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 16:34:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:34:30,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 3775 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:34:30,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:34:30,897 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-12 16:34:30,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:34:30,897 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:34:30,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [910331641] [2022-07-12 16:34:30,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [910331641] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:34:30,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:34:30,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:34:30,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098265300] [2022-07-12 16:34:30,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:34:30,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:34:30,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:34:30,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:34:30,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:34:30,900 INFO L87 Difference]: Start difference. First operand 5987 states and 8947 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-12 16:34:31,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:34:31,800 INFO L93 Difference]: Finished difference Result 17497 states and 26217 transitions. [2022-07-12 16:34:31,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:34:31,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 425 [2022-07-12 16:34:31,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:34:31,896 INFO L225 Difference]: With dead ends: 17497 [2022-07-12 16:34:31,897 INFO L226 Difference]: Without dead ends: 11587 [2022-07-12 16:34:31,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 423 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 16:34:31,941 INFO L413 NwaCegarLoop]: 5775 mSDtfsCounter, 4263 mSDsluCounter, 4561 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4263 SdHoareTripleChecker+Valid, 10336 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:34:31,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4263 Valid, 10336 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 16:34:31,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11587 states. [2022-07-12 16:34:32,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11587 to 11558. [2022-07-12 16:34:32,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11558 states, 6579 states have (on average 1.2479100167198662) internal successors, (8210), 6715 states have internal predecessors, (8210), 4543 states have call successors, (4543), 436 states have call predecessors, (4543), 433 states have return successors, (4585), 4462 states have call predecessors, (4585), 4539 states have call successors, (4585) [2022-07-12 16:34:32,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11558 states to 11558 states and 17338 transitions. [2022-07-12 16:34:32,637 INFO L78 Accepts]: Start accepts. Automaton has 11558 states and 17338 transitions. Word has length 425 [2022-07-12 16:34:32,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:34:32,638 INFO L495 AbstractCegarLoop]: Abstraction has 11558 states and 17338 transitions. [2022-07-12 16:34:32,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-12 16:34:32,639 INFO L276 IsEmpty]: Start isEmpty. Operand 11558 states and 17338 transitions. [2022-07-12 16:34:32,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2022-07-12 16:34:32,651 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:34:32,651 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:34:32,753 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 16:34:32,863 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 16:34:32,864 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:34:32,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:34:32,865 INFO L85 PathProgramCache]: Analyzing trace with hash -2102311554, now seen corresponding path program 1 times [2022-07-12 16:34:32,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:34:32,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627410545] [2022-07-12 16:34:32,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:34:32,868 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:34:32,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:34:32,870 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 16:34:32,871 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 16:34:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:34:39,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 3876 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:34:39,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:34:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 6154 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 6015 trivial. 0 not checked. [2022-07-12 16:34:39,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:34:39,720 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:34:39,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1627410545] [2022-07-12 16:34:39,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1627410545] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:34:39,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:34:39,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:34:39,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326151730] [2022-07-12 16:34:39,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:34:39,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:34:39,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:34:39,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:34:39,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:34:39,722 INFO L87 Difference]: Start difference. First operand 11558 states and 17338 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-12 16:34:40,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:34:40,728 INFO L93 Difference]: Finished difference Result 23065 states and 34593 transitions. [2022-07-12 16:34:40,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:34:40,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 480 [2022-07-12 16:34:40,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:34:40,877 INFO L225 Difference]: With dead ends: 23065 [2022-07-12 16:34:40,877 INFO L226 Difference]: Without dead ends: 17235 [2022-07-12 16:34:41,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 478 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 16:34:41,094 INFO L413 NwaCegarLoop]: 8941 mSDtfsCounter, 4355 mSDsluCounter, 4559 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4355 SdHoareTripleChecker+Valid, 13500 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 16:34:41,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4355 Valid, 13500 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 16:34:41,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17235 states. [2022-07-12 16:34:41,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17235 to 17231. [2022-07-12 16:34:41,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17231 states, 9808 states have (on average 1.2483686786296901) internal successors, (12244), 10008 states have internal predecessors, (12244), 6772 states have call successors, (6772), 652 states have call predecessors, (6772), 648 states have return successors, (6837), 6654 states have call predecessors, (6837), 6768 states have call successors, (6837) [2022-07-12 16:34:42,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17231 states to 17231 states and 25853 transitions. [2022-07-12 16:34:42,050 INFO L78 Accepts]: Start accepts. Automaton has 17231 states and 25853 transitions. Word has length 480 [2022-07-12 16:34:42,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:34:42,051 INFO L495 AbstractCegarLoop]: Abstraction has 17231 states and 25853 transitions. [2022-07-12 16:34:42,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-12 16:34:42,051 INFO L276 IsEmpty]: Start isEmpty. Operand 17231 states and 25853 transitions. [2022-07-12 16:34:42,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2022-07-12 16:34:42,065 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:34:42,065 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:34:42,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 16:34:42,281 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 16:34:42,281 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:34:42,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:34:42,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1961762944, now seen corresponding path program 1 times [2022-07-12 16:34:42,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:34:42,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575067257] [2022-07-12 16:34:42,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:34:42,286 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:34:42,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:34:42,288 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 16:34:42,289 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 16:34:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:34:48,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 3876 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 16:34:48,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:35:00,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6154 trivial. 0 not checked. [2022-07-12 16:35:00,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:35:00,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:35:00,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575067257] [2022-07-12 16:35:00,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1575067257] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:35:00,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:35:00,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:35:00,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250431946] [2022-07-12 16:35:00,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:35:00,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:35:00,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:35:00,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:35:00,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:35:00,115 INFO L87 Difference]: Start difference. First operand 17231 states and 25853 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-07-12 16:35:00,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:35:00,994 INFO L93 Difference]: Finished difference Result 17237 states and 25858 transitions. [2022-07-12 16:35:00,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:35:00,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 480 [2022-07-12 16:35:00,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:35:01,091 INFO L225 Difference]: With dead ends: 17237 [2022-07-12 16:35:01,092 INFO L226 Difference]: Without dead ends: 17235 [2022-07-12 16:35:01,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 476 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:35:01,111 INFO L413 NwaCegarLoop]: 4583 mSDtfsCounter, 4424 mSDsluCounter, 9154 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4425 SdHoareTripleChecker+Valid, 13737 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:35:01,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4425 Valid, 13737 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 16:35:01,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17235 states. [2022-07-12 16:35:01,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17235 to 17235. [2022-07-12 16:35:01,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17235 states, 9811 states have (on average 1.2482927326470288) internal successors, (12247), 10011 states have internal predecessors, (12247), 6772 states have call successors, (6772), 653 states have call predecessors, (6772), 649 states have return successors, (6837), 6654 states have call predecessors, (6837), 6768 states have call successors, (6837) [2022-07-12 16:35:01,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17235 states to 17235 states and 25856 transitions. [2022-07-12 16:35:01,994 INFO L78 Accepts]: Start accepts. Automaton has 17235 states and 25856 transitions. Word has length 480 [2022-07-12 16:35:01,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:35:01,996 INFO L495 AbstractCegarLoop]: Abstraction has 17235 states and 25856 transitions. [2022-07-12 16:35:01,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-07-12 16:35:01,996 INFO L276 IsEmpty]: Start isEmpty. Operand 17235 states and 25856 transitions. [2022-07-12 16:35:02,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2022-07-12 16:35:02,008 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:35:02,008 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:02,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-12 16:35:02,227 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 16:35:02,227 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:35:02,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:35:02,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1948428257, now seen corresponding path program 1 times [2022-07-12 16:35:02,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:35:02,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798268151] [2022-07-12 16:35:02,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:35:02,232 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:35:02,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:35:02,233 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 16:35:02,234 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 16:35:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:35:09,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 3883 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 16:35:09,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:35:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 6156 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6154 trivial. 0 not checked. [2022-07-12 16:35:20,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 16:35:24,186 INFO L134 CoverageAnalysis]: Checked inductivity of 6156 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6154 trivial. 0 not checked. [2022-07-12 16:35:24,186 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:35:24,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798268151] [2022-07-12 16:35:24,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798268151] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 16:35:24,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 16:35:24,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 16:35:24,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718983617] [2022-07-12 16:35:24,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:35:24,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:35:24,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:35:24,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:35:24,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:35:24,188 INFO L87 Difference]: Start difference. First operand 17235 states and 25856 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-07-12 16:35:25,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:35:25,189 INFO L93 Difference]: Finished difference Result 17241 states and 25861 transitions. [2022-07-12 16:35:25,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 16:35:25,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 485 [2022-07-12 16:35:25,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:35:25,289 INFO L225 Difference]: With dead ends: 17241 [2022-07-12 16:35:25,289 INFO L226 Difference]: Without dead ends: 17239 [2022-07-12 16:35:25,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 971 GetRequests, 963 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 16:35:25,310 INFO L413 NwaCegarLoop]: 4586 mSDtfsCounter, 4469 mSDsluCounter, 9153 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4479 SdHoareTripleChecker+Valid, 13739 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:35:25,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4479 Valid, 13739 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 16:35:25,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17239 states. [2022-07-12 16:35:26,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17239 to 17239. [2022-07-12 16:35:26,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17239 states, 9814 states have (on average 1.2482168330955778) internal successors, (12250), 10014 states have internal predecessors, (12250), 6772 states have call successors, (6772), 654 states have call predecessors, (6772), 650 states have return successors, (6837), 6654 states have call predecessors, (6837), 6768 states have call successors, (6837) [2022-07-12 16:35:26,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17239 states to 17239 states and 25859 transitions. [2022-07-12 16:35:26,244 INFO L78 Accepts]: Start accepts. Automaton has 17239 states and 25859 transitions. Word has length 485 [2022-07-12 16:35:26,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:35:26,245 INFO L495 AbstractCegarLoop]: Abstraction has 17239 states and 25859 transitions. [2022-07-12 16:35:26,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-07-12 16:35:26,245 INFO L276 IsEmpty]: Start isEmpty. Operand 17239 states and 25859 transitions. [2022-07-12 16:35:26,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2022-07-12 16:35:26,258 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:35:26,258 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:26,358 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 16:35:26,463 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 16:35:26,463 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:35:26,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:35:26,464 INFO L85 PathProgramCache]: Analyzing trace with hash 653034144, now seen corresponding path program 1 times [2022-07-12 16:35:26,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:35:26,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1976066983] [2022-07-12 16:35:26,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:35:26,467 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:35:26,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:35:26,469 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 16:35:26,470 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 16:35:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:35:32,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 3890 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 16:35:32,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:35:44,312 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6158 trivial. 0 not checked. [2022-07-12 16:35:44,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 16:35:47,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6158 trivial. 0 not checked. [2022-07-12 16:35:47,905 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:35:47,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1976066983] [2022-07-12 16:35:47,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1976066983] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 16:35:47,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 16:35:47,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 16:35:47,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883543855] [2022-07-12 16:35:47,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:35:47,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:35:47,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:35:47,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:35:47,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:35:47,907 INFO L87 Difference]: Start difference. First operand 17239 states and 25859 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-07-12 16:35:48,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:35:48,869 INFO L93 Difference]: Finished difference Result 17245 states and 25864 transitions. [2022-07-12 16:35:48,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 16:35:48,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 490 [2022-07-12 16:35:48,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:35:48,969 INFO L225 Difference]: With dead ends: 17245 [2022-07-12 16:35:48,970 INFO L226 Difference]: Without dead ends: 17243 [2022-07-12 16:35:48,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 981 GetRequests, 973 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 16:35:48,991 INFO L413 NwaCegarLoop]: 4586 mSDtfsCounter, 4469 mSDsluCounter, 9153 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4478 SdHoareTripleChecker+Valid, 13739 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:35:48,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4478 Valid, 13739 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 16:35:49,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17243 states. [2022-07-12 16:35:49,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17243 to 17243. [2022-07-12 16:35:49,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17243 states, 9817 states have (on average 1.2481409799327696) internal successors, (12253), 10017 states have internal predecessors, (12253), 6772 states have call successors, (6772), 655 states have call predecessors, (6772), 651 states have return successors, (6837), 6654 states have call predecessors, (6837), 6768 states have call successors, (6837) [2022-07-12 16:35:49,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17243 states to 17243 states and 25862 transitions. [2022-07-12 16:35:49,942 INFO L78 Accepts]: Start accepts. Automaton has 17243 states and 25862 transitions. Word has length 490 [2022-07-12 16:35:49,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:35:49,942 INFO L495 AbstractCegarLoop]: Abstraction has 17243 states and 25862 transitions. [2022-07-12 16:35:49,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-07-12 16:35:49,943 INFO L276 IsEmpty]: Start isEmpty. Operand 17243 states and 25862 transitions. [2022-07-12 16:35:49,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2022-07-12 16:35:49,957 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:35:49,957 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:50,060 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 16:35:50,183 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 16:35:50,184 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:35:50,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:35:50,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1281902907, now seen corresponding path program 1 times [2022-07-12 16:35:50,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:35:50,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813503388] [2022-07-12 16:35:50,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:35:50,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:35:50,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:35:50,189 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 16:35:50,191 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 16:35:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:35:57,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 3944 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:35:57,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:35:57,396 INFO L134 CoverageAnalysis]: Checked inductivity of 6183 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 6037 trivial. 0 not checked. [2022-07-12 16:35:57,397 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:35:57,397 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:35:57,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813503388] [2022-07-12 16:35:57,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [813503388] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:35:57,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:35:57,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:35:57,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300248310] [2022-07-12 16:35:57,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:35:57,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:35:57,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:35:57,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:35:57,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:35:57,399 INFO L87 Difference]: Start difference. First operand 17243 states and 25862 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-07-12 16:35:58,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:35:58,566 INFO L93 Difference]: Finished difference Result 34467 states and 51682 transitions. [2022-07-12 16:35:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:35:58,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 506 [2022-07-12 16:35:58,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:35:58,670 INFO L225 Difference]: With dead ends: 34467 [2022-07-12 16:35:58,671 INFO L226 Difference]: Without dead ends: 22952 [2022-07-12 16:35:58,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 504 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 16:35:58,731 INFO L413 NwaCegarLoop]: 8953 mSDtfsCounter, 4386 mSDsluCounter, 4561 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4386 SdHoareTripleChecker+Valid, 13514 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 16:35:58,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4386 Valid, 13514 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 16:35:58,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22952 states. [2022-07-12 16:35:59,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22952 to 22918. [2022-07-12 16:35:59,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22918 states, 13048 states have (on average 1.2483905579399142) internal successors, (16289), 13312 states have internal predecessors, (16289), 9001 states have call successors, (9001), 871 states have call predecessors, (9001), 866 states have return successors, (9089), 8846 states have call predecessors, (9089), 8997 states have call successors, (9089) [2022-07-12 16:36:00,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22918 states to 22918 states and 34379 transitions. [2022-07-12 16:36:00,036 INFO L78 Accepts]: Start accepts. Automaton has 22918 states and 34379 transitions. Word has length 506 [2022-07-12 16:36:00,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:36:00,037 INFO L495 AbstractCegarLoop]: Abstraction has 22918 states and 34379 transitions. [2022-07-12 16:36:00,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-07-12 16:36:00,037 INFO L276 IsEmpty]: Start isEmpty. Operand 22918 states and 34379 transitions. [2022-07-12 16:36:00,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2022-07-12 16:36:00,049 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:36:00,049 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:36:00,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 16:36:00,264 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 16:36:00,265 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:36:00,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:36:00,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1526343553, now seen corresponding path program 1 times [2022-07-12 16:36:00,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:36:00,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109106720] [2022-07-12 16:36:00,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:36:00,269 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:36:00,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:36:00,272 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 16:36:00,273 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 16:36:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:36:06,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 3897 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 16:36:06,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:36:18,428 INFO L134 CoverageAnalysis]: Checked inductivity of 6172 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6166 trivial. 0 not checked. [2022-07-12 16:36:18,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 16:36:21,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6172 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6166 trivial. 0 not checked. [2022-07-12 16:36:21,590 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:36:21,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [109106720] [2022-07-12 16:36:21,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [109106720] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 16:36:21,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 16:36:21,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 16:36:21,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519154276] [2022-07-12 16:36:21,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:36:21,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:36:21,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:36:21,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:36:21,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:36:21,593 INFO L87 Difference]: Start difference. First operand 22918 states and 34379 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-07-12 16:36:22,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:36:22,704 INFO L93 Difference]: Finished difference Result 22924 states and 34384 transitions. [2022-07-12 16:36:22,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 16:36:22,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 495 [2022-07-12 16:36:22,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:36:22,874 INFO L225 Difference]: With dead ends: 22924 [2022-07-12 16:36:22,874 INFO L226 Difference]: Without dead ends: 22922 [2022-07-12 16:36:22,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 991 GetRequests, 983 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 16:36:22,888 INFO L413 NwaCegarLoop]: 4586 mSDtfsCounter, 4469 mSDsluCounter, 9153 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4477 SdHoareTripleChecker+Valid, 13739 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:36:22,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4477 Valid, 13739 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 16:36:22,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22922 states. [2022-07-12 16:36:23,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22922 to 22922. [2022-07-12 16:36:23,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22922 states, 13051 states have (on average 1.2483334610374683) internal successors, (16292), 13315 states have internal predecessors, (16292), 9001 states have call successors, (9001), 872 states have call predecessors, (9001), 867 states have return successors, (9089), 8846 states have call predecessors, (9089), 8997 states have call successors, (9089) [2022-07-12 16:36:24,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22922 states to 22922 states and 34382 transitions. [2022-07-12 16:36:24,019 INFO L78 Accepts]: Start accepts. Automaton has 22922 states and 34382 transitions. Word has length 495 [2022-07-12 16:36:24,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:36:24,020 INFO L495 AbstractCegarLoop]: Abstraction has 22922 states and 34382 transitions. [2022-07-12 16:36:24,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-07-12 16:36:24,020 INFO L276 IsEmpty]: Start isEmpty. Operand 22922 states and 34382 transitions. [2022-07-12 16:36:24,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-07-12 16:36:24,034 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:36:24,034 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:36:24,133 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 16:36:24,247 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 16:36:24,247 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:36:24,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:36:24,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1759547968, now seen corresponding path program 1 times [2022-07-12 16:36:24,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:36:24,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595462650] [2022-07-12 16:36:24,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:36:24,251 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:36:24,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:36:24,252 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 16:36:24,253 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 16:36:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:36:30,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 3904 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 16:36:30,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:36:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 6186 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6178 trivial. 0 not checked. [2022-07-12 16:36:42,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 16:36:45,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6186 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6178 trivial. 0 not checked. [2022-07-12 16:36:45,398 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:36:45,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [595462650] [2022-07-12 16:36:45,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [595462650] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 16:36:45,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 16:36:45,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 16:36:45,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028071812] [2022-07-12 16:36:45,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:36:45,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:36:45,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:36:45,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:36:45,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:36:45,400 INFO L87 Difference]: Start difference. First operand 22922 states and 34382 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-12 16:36:46,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:36:46,610 INFO L93 Difference]: Finished difference Result 22928 states and 34387 transitions. [2022-07-12 16:36:46,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 16:36:46,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 500 [2022-07-12 16:36:46,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:36:46,736 INFO L225 Difference]: With dead ends: 22928 [2022-07-12 16:36:46,737 INFO L226 Difference]: Without dead ends: 22926 [2022-07-12 16:36:46,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1001 GetRequests, 993 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 16:36:46,762 INFO L413 NwaCegarLoop]: 4586 mSDtfsCounter, 4469 mSDsluCounter, 9153 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4476 SdHoareTripleChecker+Valid, 13739 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:36:46,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4476 Valid, 13739 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 16:36:46,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22926 states. [2022-07-12 16:36:47,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22926 to 22926. [2022-07-12 16:36:47,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22926 states, 13054 states have (on average 1.248276390378428) internal successors, (16295), 13318 states have internal predecessors, (16295), 9001 states have call successors, (9001), 873 states have call predecessors, (9001), 868 states have return successors, (9089), 8846 states have call predecessors, (9089), 8997 states have call successors, (9089) [2022-07-12 16:36:47,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22926 states to 22926 states and 34385 transitions. [2022-07-12 16:36:47,966 INFO L78 Accepts]: Start accepts. Automaton has 22926 states and 34385 transitions. Word has length 500 [2022-07-12 16:36:47,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:36:47,966 INFO L495 AbstractCegarLoop]: Abstraction has 22926 states and 34385 transitions. [2022-07-12 16:36:47,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-12 16:36:47,967 INFO L276 IsEmpty]: Start isEmpty. Operand 22926 states and 34385 transitions. [2022-07-12 16:36:47,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2022-07-12 16:36:47,993 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:36:47,993 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:36:48,099 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 16:36:48,207 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 16:36:48,207 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:36:48,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:36:48,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1111289633, now seen corresponding path program 1 times [2022-07-12 16:36:48,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:36:48,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1162679886] [2022-07-12 16:36:48,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:36:48,212 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:36:48,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:36:48,213 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 16:36:48,216 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 16:36:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:36:54,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 3911 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 16:36:54,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:37:05,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6204 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6194 trivial. 0 not checked. [2022-07-12 16:37:05,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 16:37:09,126 INFO L134 CoverageAnalysis]: Checked inductivity of 6204 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6194 trivial. 0 not checked. [2022-07-12 16:37:09,126 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:37:09,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1162679886] [2022-07-12 16:37:09,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1162679886] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 16:37:09,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 16:37:09,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 16:37:09,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540567871] [2022-07-12 16:37:09,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:37:09,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:37:09,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:37:09,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:37:09,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:37:09,128 INFO L87 Difference]: Start difference. First operand 22926 states and 34385 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-12 16:37:10,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:37:10,455 INFO L93 Difference]: Finished difference Result 22932 states and 34390 transitions. [2022-07-12 16:37:10,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 16:37:10,455 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 505 [2022-07-12 16:37:10,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:37:10,563 INFO L225 Difference]: With dead ends: 22932 [2022-07-12 16:37:10,564 INFO L226 Difference]: Without dead ends: 22930 [2022-07-12 16:37:10,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1011 GetRequests, 1003 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 16:37:10,583 INFO L413 NwaCegarLoop]: 4586 mSDtfsCounter, 4469 mSDsluCounter, 9153 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4475 SdHoareTripleChecker+Valid, 13739 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:37:10,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4475 Valid, 13739 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 16:37:10,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22930 states. [2022-07-12 16:37:11,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22930 to 22930. [2022-07-12 16:37:11,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22930 states, 13057 states have (on average 1.248219345944704) internal successors, (16298), 13321 states have internal predecessors, (16298), 9001 states have call successors, (9001), 874 states have call predecessors, (9001), 869 states have return successors, (9089), 8846 states have call predecessors, (9089), 8997 states have call successors, (9089) [2022-07-12 16:37:11,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22930 states to 22930 states and 34388 transitions. [2022-07-12 16:37:11,758 INFO L78 Accepts]: Start accepts. Automaton has 22930 states and 34388 transitions. Word has length 505 [2022-07-12 16:37:11,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:37:11,759 INFO L495 AbstractCegarLoop]: Abstraction has 22930 states and 34388 transitions. [2022-07-12 16:37:11,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-12 16:37:11,759 INFO L276 IsEmpty]: Start isEmpty. Operand 22930 states and 34388 transitions. [2022-07-12 16:37:11,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2022-07-12 16:37:11,774 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:37:11,775 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:11,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-12 16:37:11,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:37:11,975 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:37:11,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:37:11,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1611620128, now seen corresponding path program 1 times [2022-07-12 16:37:11,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:37:11,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866542511] [2022-07-12 16:37:11,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:37:11,979 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:37:11,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:37:11,980 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:37:11,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-12 16:37:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:37:18,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 3918 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 16:37:18,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:37:29,347 INFO L134 CoverageAnalysis]: Checked inductivity of 6226 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6214 trivial. 0 not checked. [2022-07-12 16:37:29,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 16:37:32,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6226 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6214 trivial. 0 not checked. [2022-07-12 16:37:32,501 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:37:32,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866542511] [2022-07-12 16:37:32,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [866542511] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 16:37:32,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 16:37:32,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 16:37:32,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779229202] [2022-07-12 16:37:32,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:37:32,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:37:32,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:37:32,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:37:32,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:37:32,503 INFO L87 Difference]: Start difference. First operand 22930 states and 34388 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-12 16:37:33,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:37:33,750 INFO L93 Difference]: Finished difference Result 23552 states and 35037 transitions. [2022-07-12 16:37:33,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 16:37:33,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 510 [2022-07-12 16:37:33,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:37:33,860 INFO L225 Difference]: With dead ends: 23552 [2022-07-12 16:37:33,860 INFO L226 Difference]: Without dead ends: 23550 [2022-07-12 16:37:33,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1021 GetRequests, 1013 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 16:37:33,887 INFO L413 NwaCegarLoop]: 4604 mSDtfsCounter, 4257 mSDsluCounter, 9555 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4262 SdHoareTripleChecker+Valid, 14159 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:37:33,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4262 Valid, 14159 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 16:37:33,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23550 states. [2022-07-12 16:37:34,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23550 to 23550. [2022-07-12 16:37:34,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23550 states, 13508 states have (on average 1.2449659461060112) internal successors, (16817), 13772 states have internal predecessors, (16817), 9065 states have call successors, (9065), 979 states have call predecessors, (9065), 974 states have return successors, (9153), 8910 states have call predecessors, (9153), 9061 states have call successors, (9153) [2022-07-12 16:37:35,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23550 states to 23550 states and 35035 transitions. [2022-07-12 16:37:35,155 INFO L78 Accepts]: Start accepts. Automaton has 23550 states and 35035 transitions. Word has length 510 [2022-07-12 16:37:35,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:37:35,156 INFO L495 AbstractCegarLoop]: Abstraction has 23550 states and 35035 transitions. [2022-07-12 16:37:35,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-12 16:37:35,156 INFO L276 IsEmpty]: Start isEmpty. Operand 23550 states and 35035 transitions. [2022-07-12 16:37:35,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2022-07-12 16:37:35,169 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:37:35,169 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:35,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-12 16:37:35,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:37:35,376 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:37:35,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:37:35,376 INFO L85 PathProgramCache]: Analyzing trace with hash -846266049, now seen corresponding path program 1 times [2022-07-12 16:37:35,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:37:35,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [187782278] [2022-07-12 16:37:35,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:37:35,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:37:35,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:37:35,385 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:37:35,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-12 16:37:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:37:41,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 3925 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 16:37:41,369 INFO L286 TraceCheckSpWp]: Computing forward predicates...