./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:55:02,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:55:02,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:55:02,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:55:02,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:55:02,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:55:02,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:55:02,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:55:02,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:55:02,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:55:02,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:55:02,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:55:02,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:55:02,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:55:02,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:55:02,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:55:02,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:55:02,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:55:02,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:55:02,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:55:02,597 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:55:02,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:55:02,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:55:02,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:55:02,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:55:02,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:55:02,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:55:02,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:55:02,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:55:02,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:55:02,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:55:02,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:55:02,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:55:02,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:55:02,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:55:02,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:55:02,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:55:02,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:55:02,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:55:02,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:55:02,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:55:02,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:55:02,618 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 02:55:02,642 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:55:02,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:55:02,645 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:55:02,645 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:55:02,646 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:55:02,646 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:55:02,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:55:02,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:55:02,647 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:55:02,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:55:02,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 02:55:02,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:55:02,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:55:02,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:55:02,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:55:02,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:55:02,649 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:55:02,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:55:02,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:55:02,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:55:02,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:55:02,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:55:02,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:55:02,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:55:02,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:55:02,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 02:55:02,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 02:55:02,653 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:55:02,653 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:55:02,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:55:02,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2022-07-14 02:55:02,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:55:02,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:55:02,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:55:02,963 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:55:02,964 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:55:02,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-14 02:55:03,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea33afcf0/41f2eec453124b3aa203cdb791a97797/FLAGe363dd7df [2022-07-14 02:55:03,879 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:55:03,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-14 02:55:03,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea33afcf0/41f2eec453124b3aa203cdb791a97797/FLAGe363dd7df [2022-07-14 02:55:04,359 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea33afcf0/41f2eec453124b3aa203cdb791a97797 [2022-07-14 02:55:04,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:55:04,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:55:04,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:55:04,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:55:04,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:55:04,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:55:04" (1/1) ... [2022-07-14 02:55:04,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b78c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:55:04, skipping insertion in model container [2022-07-14 02:55:04,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:55:04" (1/1) ... [2022-07-14 02:55:04,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:55:04,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:55:09,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-07-14 02:55:09,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-07-14 02:55:09,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-07-14 02:55:09,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-07-14 02:55:09,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:55:09,580 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:55:09,744 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: cmd = (unsigned int )cmd & 64510U [8463] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-14 02:55:09,770 INFO L158 Benchmark]: Toolchain (without parser) took 5405.54ms. Allocated memory was 96.5MB in the beginning and 195.0MB in the end (delta: 98.6MB). Free memory was 62.0MB in the beginning and 90.5MB in the end (delta: -28.5MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2022-07-14 02:55:09,770 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 96.5MB. Free memory was 51.1MB in the beginning and 51.1MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 02:55:09,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5403.51ms. Allocated memory was 96.5MB in the beginning and 195.0MB in the end (delta: 98.6MB). Free memory was 61.7MB in the beginning and 90.5MB in the end (delta: -28.8MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2022-07-14 02:55:09,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 96.5MB. Free memory was 51.1MB in the beginning and 51.1MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5403.51ms. Allocated memory was 96.5MB in the beginning and 195.0MB in the end (delta: 98.6MB). Free memory was 61.7MB in the beginning and 90.5MB in the end (delta: -28.8MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: cmd = (unsigned int )cmd & 64510U [8463] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: cmd = (unsigned int )cmd & 64510U [8463]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:55:11,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:55:11,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:55:11,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:55:11,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:55:11,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:55:11,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:55:11,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:55:11,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:55:11,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:55:11,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:55:11,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:55:11,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:55:11,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:55:11,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:55:11,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:55:11,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:55:11,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:55:11,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:55:11,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:55:11,708 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:55:11,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:55:11,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:55:11,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:55:11,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:55:11,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:55:11,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:55:11,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:55:11,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:55:11,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:55:11,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:55:11,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:55:11,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:55:11,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:55:11,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:55:11,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:55:11,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:55:11,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:55:11,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:55:11,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:55:11,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:55:11,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:55:11,730 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 02:55:11,767 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:55:11,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:55:11,768 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:55:11,768 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:55:11,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:55:11,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:55:11,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:55:11,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:55:11,770 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:55:11,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:55:11,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:55:11,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:55:11,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:55:11,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:55:11,772 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 02:55:11,773 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 02:55:11,773 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 02:55:11,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:55:11,773 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:55:11,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:55:11,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:55:11,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:55:11,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:55:11,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:55:11,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:55:11,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:55:11,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:55:11,775 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 02:55:11,775 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 02:55:11,776 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:55:11,776 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:55:11,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:55:11,776 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 02:55:11,777 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2022-07-14 02:55:12,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:55:12,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:55:12,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:55:12,137 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:55:12,138 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:55:12,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-14 02:55:12,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc5aa58b9/d1014f54018c4c42be825e35d710c923/FLAGfd0aec29f [2022-07-14 02:55:13,303 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:55:13,304 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-14 02:55:13,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc5aa58b9/d1014f54018c4c42be825e35d710c923/FLAGfd0aec29f [2022-07-14 02:55:13,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc5aa58b9/d1014f54018c4c42be825e35d710c923 [2022-07-14 02:55:13,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:55:13,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:55:13,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:55:13,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:55:13,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:55:13,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:55:13" (1/1) ... [2022-07-14 02:55:13,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b66a711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:55:13, skipping insertion in model container [2022-07-14 02:55:13,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:55:13" (1/1) ... [2022-07-14 02:55:13,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:55:13,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:55:18,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-07-14 02:55:18,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-07-14 02:55:18,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-07-14 02:55:18,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-07-14 02:55:18,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:55:18,708 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 02:55:18,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:55:19,150 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-07-14 02:55:19,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-07-14 02:55:19,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-07-14 02:55:19,152 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-07-14 02:55:19,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:55:19,187 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:55:19,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-07-14 02:55:19,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-07-14 02:55:19,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-07-14 02:55:19,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-07-14 02:55:19,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:55:19,865 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:55:19,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:55:19 WrapperNode [2022-07-14 02:55:19,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:55:19,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:55:19,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:55:19,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:55:19,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:55:19" (1/1) ... [2022-07-14 02:55:20,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:55:19" (1/1) ... [2022-07-14 02:55:20,295 INFO L137 Inliner]: procedures = 640, calls = 3468, calls flagged for inlining = 312, calls inlined = 276, statements flattened = 7724 [2022-07-14 02:55:20,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:55:20,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 02:55:20,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 02:55:20,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 02:55:20,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:55:19" (1/1) ... [2022-07-14 02:55:20,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:55:19" (1/1) ... [2022-07-14 02:55:20,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:55:19" (1/1) ... [2022-07-14 02:55:20,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:55:19" (1/1) ... [2022-07-14 02:55:20,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:55:19" (1/1) ... [2022-07-14 02:55:20,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:55:19" (1/1) ... [2022-07-14 02:55:20,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:55:19" (1/1) ... [2022-07-14 02:55:20,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 02:55:20,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 02:55:20,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 02:55:20,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 02:55:20,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:55:19" (1/1) ... [2022-07-14 02:55:20,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:55:20,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:55:20,801 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) [2022-07-14 02:55:20,811 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 [2022-07-14 02:55:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 02:55:20,838 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 02:55:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 02:55:20,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 02:55:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-07-14 02:55:20,839 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-07-14 02:55:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 02:55:20,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 02:55:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-07-14 02:55:20,840 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-07-14 02:55:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-14 02:55:20,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-14 02:55:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 02:55:20,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 02:55:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_89 [2022-07-14 02:55:20,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_89 [2022-07-14 02:55:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 02:55:20,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 02:55:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-07-14 02:55:20,841 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-07-14 02:55:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-14 02:55:20,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-14 02:55:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2022-07-14 02:55:20,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2022-07-14 02:55:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 02:55:20,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 02:55:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-14 02:55:20,843 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-14 02:55:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 02:55:20,843 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 02:55:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 02:55:20,843 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 02:55:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 02:55:20,844 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 02:55:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-07-14 02:55:20,844 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-07-14 02:55:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2022-07-14 02:55:20,845 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2022-07-14 02:55:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-07-14 02:55:20,845 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-07-14 02:55:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2022-07-14 02:55:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2022-07-14 02:55:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 02:55:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 02:55:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 02:55:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 02:55:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-07-14 02:55:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-07-14 02:55:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 02:55:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 02:55:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 02:55:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 02:55:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 02:55:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 02:55:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 02:55:20,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 02:55:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 02:55:20,849 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 02:55:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-07-14 02:55:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-07-14 02:55:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 02:55:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 02:55:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-14 02:55:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-14 02:55:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 02:55:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-07-14 02:55:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-07-14 02:55:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 02:55:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 02:55:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 02:55:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 02:55:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-07-14 02:55:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-07-14 02:55:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-14 02:55:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-14 02:55:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-07-14 02:55:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-07-14 02:55:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-14 02:55:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-14 02:55:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 02:55:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 02:55:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 02:55:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 02:55:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-07-14 02:55:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-07-14 02:55:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 02:55:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 02:55:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 02:55:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 02:55:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-07-14 02:55:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-07-14 02:55:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 02:55:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 02:55:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 02:55:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 02:55:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 02:55:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 02:55:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 02:55:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 02:55:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 02:55:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 02:55:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-14 02:55:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-14 02:55:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 02:55:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 02:55:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-07-14 02:55:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-07-14 02:55:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 02:55:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 02:55:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-07-14 02:55:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-07-14 02:55:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 02:55:20,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 02:55:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 02:55:20,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 02:55:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-07-14 02:55:20,867 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-07-14 02:55:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 02:55:20,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 02:55:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 02:55:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-07-14 02:55:20,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-07-14 02:55:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 02:55:20,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 02:55:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 02:55:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 02:55:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 02:55:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 02:55:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 02:55:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 02:55:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 02:55:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 02:55:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 02:55:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 02:55:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 02:55:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 02:55:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 02:55:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 02:55:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-14 02:55:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-14 02:55:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-14 02:55:20,871 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-14 02:55:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-07-14 02:55:20,871 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-07-14 02:55:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-14 02:55:20,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-14 02:55:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-07-14 02:55:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-07-14 02:55:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 02:55:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 02:55:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-07-14 02:55:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-07-14 02:55:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 02:55:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 02:55:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-14 02:55:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-14 02:55:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 02:55:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 02:55:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 02:55:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 02:55:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-07-14 02:55:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-07-14 02:55:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-14 02:55:20,874 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-14 02:55:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 02:55:20,874 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 02:55:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 02:55:20,874 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 02:55:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-07-14 02:55:20,874 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-07-14 02:55:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 02:55:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-14 02:55:20,875 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-14 02:55:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-14 02:55:20,875 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-14 02:55:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 02:55:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 02:55:20,876 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-14 02:55:20,877 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-14 02:55:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 02:55:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 02:55:20,877 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 02:55:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 02:55:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 02:55:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 02:55:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 02:55:20,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 02:55:20,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 02:55:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 02:55:20,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 02:55:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 02:55:20,878 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 02:55:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 02:55:20,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-14 02:55:20,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-14 02:55:20,879 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 02:55:20,879 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 02:55:20,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 02:55:20,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 02:55:20,879 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-07-14 02:55:20,879 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-07-14 02:55:20,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-07-14 02:55:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-07-14 02:55:20,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 02:55:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 02:55:20,880 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-14 02:55:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-14 02:55:20,880 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-14 02:55:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-14 02:55:20,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-07-14 02:55:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-07-14 02:55:20,881 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 02:55:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 02:55:20,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 02:55:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 02:55:20,881 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-07-14 02:55:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-07-14 02:55:20,881 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 02:55:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 02:55:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-14 02:55:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-14 02:55:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 02:55:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 02:55:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 02:55:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-14 02:55:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-14 02:55:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 02:55:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 02:55:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-07-14 02:55:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-07-14 02:55:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 02:55:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-07-14 02:55:20,887 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-07-14 02:55:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-07-14 02:55:20,887 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-07-14 02:55:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-14 02:55:20,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-14 02:55:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 02:55:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 02:55:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 02:55:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-07-14 02:55:20,889 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-07-14 02:55:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 02:55:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 02:55:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-07-14 02:55:20,890 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-07-14 02:55:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 02:55:20,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 02:55:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-14 02:55:20,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-14 02:55:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 02:55:20,890 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 02:55:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 02:55:20,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 02:55:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 02:55:20,891 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 02:55:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 02:55:20,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 02:55:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-07-14 02:55:20,891 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-07-14 02:55:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2022-07-14 02:55:20,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2022-07-14 02:55:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-07-14 02:55:20,892 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-07-14 02:55:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-07-14 02:55:20,892 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-07-14 02:55:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 02:55:20,892 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 02:55:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-14 02:55:20,893 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-14 02:55:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2022-07-14 02:55:20,893 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2022-07-14 02:55:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 02:55:20,893 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 02:55:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-14 02:55:20,893 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-14 02:55:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-07-14 02:55:20,894 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-07-14 02:55:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 02:55:20,894 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 02:55:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-07-14 02:55:20,894 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-07-14 02:55:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 02:55:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 02:55:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 02:55:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 02:55:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 02:55:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 02:55:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2022-07-14 02:55:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2022-07-14 02:55:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-07-14 02:55:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-07-14 02:55:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-07-14 02:55:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-07-14 02:55:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 02:55:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 02:55:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 02:55:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 02:55:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2022-07-14 02:55:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2022-07-14 02:55:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 02:55:20,897 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 02:55:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-07-14 02:55:20,897 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-07-14 02:55:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-14 02:55:20,897 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-14 02:55:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 02:55:20,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 02:55:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 02:55:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 02:55:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-07-14 02:55:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-07-14 02:55:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-14 02:55:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-14 02:55:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-14 02:55:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-14 02:55:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-07-14 02:55:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-07-14 02:55:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-14 02:55:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-14 02:55:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 02:55:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 02:55:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-14 02:55:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-14 02:55:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 02:55:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 02:55:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-07-14 02:55:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-07-14 02:55:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-07-14 02:55:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-07-14 02:55:21,963 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 02:55:21,981 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 02:55:23,209 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 02:56:41,155 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 02:56:41,738 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 02:56:41,767 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 02:56:41,768 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 02:56:41,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:56:41 BoogieIcfgContainer [2022-07-14 02:56:41,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 02:56:41,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 02:56:41,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 02:56:41,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 02:56:41,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:55:13" (1/3) ... [2022-07-14 02:56:41,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90015be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:56:41, skipping insertion in model container [2022-07-14 02:56:41,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:55:19" (2/3) ... [2022-07-14 02:56:41,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90015be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:56:41, skipping insertion in model container [2022-07-14 02:56:41,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:56:41" (3/3) ... [2022-07-14 02:56:41,781 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-14 02:56:41,795 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 02:56:41,795 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-14 02:56:41,915 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 02:56:41,926 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@6595f85e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3152671 [2022-07-14 02:56:41,926 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-14 02:56:41,942 INFO L276 IsEmpty]: Start isEmpty. Operand has 2822 states, 1909 states have (on average 1.2572027239392352) internal successors, (2400), 1937 states have internal predecessors, (2400), 761 states have call successors, (761), 149 states have call predecessors, (761), 148 states have return successors, (755), 753 states have call predecessors, (755), 755 states have call successors, (755) [2022-07-14 02:56:41,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-14 02:56:41,977 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:56:41,978 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:56:41,978 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 02:56:41,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:56:41,983 INFO L85 PathProgramCache]: Analyzing trace with hash -695297070, now seen corresponding path program 1 times [2022-07-14 02:56:42,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:56:42,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262746297] [2022-07-14 02:56:42,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:56:42,001 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:56:42,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:56:42,005 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) [2022-07-14 02:56:42,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 02:56:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:45,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 2017 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:56:45,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:56:45,879 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-14 02:56:45,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:56:45,879 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:56:45,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262746297] [2022-07-14 02:56:45,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1262746297] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:56:45,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:56:45,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:56:45,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900893972] [2022-07-14 02:56:45,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:56:45,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:56:45,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:56:45,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:56:45,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:56:45,919 INFO L87 Difference]: Start difference. First operand has 2822 states, 1909 states have (on average 1.2572027239392352) internal successors, (2400), 1937 states have internal predecessors, (2400), 761 states have call successors, (761), 149 states have call predecessors, (761), 148 states have return successors, (755), 753 states have call predecessors, (755), 755 states have call successors, (755) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-14 02:56:46,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:56:46,680 INFO L93 Difference]: Finished difference Result 8301 states and 11697 transitions. [2022-07-14 02:56:46,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:56:46,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 181 [2022-07-14 02:56:46,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:56:46,745 INFO L225 Difference]: With dead ends: 8301 [2022-07-14 02:56:46,745 INFO L226 Difference]: Without dead ends: 5495 [2022-07-14 02:56:46,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:56:46,775 INFO L413 NwaCegarLoop]: 4666 mSDtfsCounter, 3824 mSDsluCounter, 3792 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3824 SdHoareTripleChecker+Valid, 8458 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 02:56:46,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3824 Valid, 8458 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 02:56:46,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5495 states. [2022-07-14 02:56:47,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5495 to 5462. [2022-07-14 02:56:47,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5462 states, 3723 states have (on average 1.2519473542841795) internal successors, (4661), 3784 states have internal predecessors, (4661), 1448 states have call successors, (1448), 293 states have call predecessors, (1448), 287 states have return successors, (1449), 1424 states have call predecessors, (1449), 1444 states have call successors, (1449) [2022-07-14 02:56:47,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5462 states to 5462 states and 7558 transitions. [2022-07-14 02:56:47,182 INFO L78 Accepts]: Start accepts. Automaton has 5462 states and 7558 transitions. Word has length 181 [2022-07-14 02:56:47,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:56:47,187 INFO L495 AbstractCegarLoop]: Abstraction has 5462 states and 7558 transitions. [2022-07-14 02:56:47,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-14 02:56:47,188 INFO L276 IsEmpty]: Start isEmpty. Operand 5462 states and 7558 transitions. [2022-07-14 02:56:47,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-14 02:56:47,193 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:56:47,194 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:56:47,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 02:56:47,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:56:47,416 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 02:56:47,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:56:47,416 INFO L85 PathProgramCache]: Analyzing trace with hash -620921520, now seen corresponding path program 1 times [2022-07-14 02:56:47,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:56:47,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341233252] [2022-07-14 02:56:47,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:56:47,419 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:56:47,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:56:47,423 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) [2022-07-14 02:56:47,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 02:56:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:50,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 1994 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:56:50,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:56:50,922 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-14 02:56:50,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:56:50,923 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:56:50,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1341233252] [2022-07-14 02:56:50,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1341233252] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:56:50,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:56:50,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:56:50,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033245818] [2022-07-14 02:56:50,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:56:50,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:56:50,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:56:50,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:56:50,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:56:50,926 INFO L87 Difference]: Start difference. First operand 5462 states and 7558 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-14 02:56:51,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:56:51,800 INFO L93 Difference]: Finished difference Result 16189 states and 22397 transitions. [2022-07-14 02:56:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:56:51,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 182 [2022-07-14 02:56:51,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:56:51,910 INFO L225 Difference]: With dead ends: 16189 [2022-07-14 02:56:51,910 INFO L226 Difference]: Without dead ends: 10760 [2022-07-14 02:56:51,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:56:51,949 INFO L413 NwaCegarLoop]: 4591 mSDtfsCounter, 3729 mSDsluCounter, 3822 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3729 SdHoareTripleChecker+Valid, 8413 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:56:51,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3729 Valid, 8413 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 02:56:51,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10760 states. [2022-07-14 02:56:52,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10760 to 10754. [2022-07-14 02:56:52,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10754 states, 7350 states have (on average 1.2523809523809524) internal successors, (9205), 7463 states have internal predecessors, (9205), 2829 states have call successors, (2829), 582 states have call predecessors, (2829), 571 states have return successors, (2835), 2788 states have call predecessors, (2835), 2825 states have call successors, (2835) [2022-07-14 02:56:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10754 states to 10754 states and 14869 transitions. [2022-07-14 02:56:52,650 INFO L78 Accepts]: Start accepts. Automaton has 10754 states and 14869 transitions. Word has length 182 [2022-07-14 02:56:52,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:56:52,653 INFO L495 AbstractCegarLoop]: Abstraction has 10754 states and 14869 transitions. [2022-07-14 02:56:52,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-14 02:56:52,653 INFO L276 IsEmpty]: Start isEmpty. Operand 10754 states and 14869 transitions. [2022-07-14 02:56:52,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-14 02:56:52,664 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:56:52,664 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:56:52,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 02:56:52,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:56:52,884 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 02:56:52,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:56:52,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1738075297, now seen corresponding path program 1 times [2022-07-14 02:56:52,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:56:52,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [377122745] [2022-07-14 02:56:52,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:56:52,887 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:56:52,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:56:52,889 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) [2022-07-14 02:56:52,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 02:56:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:55,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 2072 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:56:55,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:56:56,182 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-14 02:56:56,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:56:56,183 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:56:56,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [377122745] [2022-07-14 02:56:56,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [377122745] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:56:56,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:56:56,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:56:56,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613340305] [2022-07-14 02:56:56,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:56:56,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:56:56,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:56:56,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:56:56,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:56:56,184 INFO L87 Difference]: Start difference. First operand 10754 states and 14869 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-14 02:56:57,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:56:57,380 INFO L93 Difference]: Finished difference Result 32038 states and 44367 transitions. [2022-07-14 02:56:57,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:56:57,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 196 [2022-07-14 02:56:57,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:56:57,564 INFO L225 Difference]: With dead ends: 32038 [2022-07-14 02:56:57,564 INFO L226 Difference]: Without dead ends: 21317 [2022-07-14 02:56:57,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:56:57,643 INFO L413 NwaCegarLoop]: 4909 mSDtfsCounter, 3797 mSDsluCounter, 3820 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3797 SdHoareTripleChecker+Valid, 8729 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:56:57,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3797 Valid, 8729 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 02:56:57,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21317 states. [2022-07-14 02:56:58,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21317 to 21278. [2022-07-14 02:56:58,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21278 states, 14562 states have (on average 1.2530558989149843) internal successors, (18247), 14793 states have internal predecessors, (18247), 5583 states have call successors, (5583), 1158 states have call predecessors, (5583), 1129 states have return successors, (5649), 5478 states have call predecessors, (5649), 5579 states have call successors, (5649) [2022-07-14 02:56:58,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21278 states to 21278 states and 29479 transitions. [2022-07-14 02:56:58,735 INFO L78 Accepts]: Start accepts. Automaton has 21278 states and 29479 transitions. Word has length 196 [2022-07-14 02:56:58,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:56:58,736 INFO L495 AbstractCegarLoop]: Abstraction has 21278 states and 29479 transitions. [2022-07-14 02:56:58,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-14 02:56:58,738 INFO L276 IsEmpty]: Start isEmpty. Operand 21278 states and 29479 transitions. [2022-07-14 02:56:58,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-14 02:56:58,745 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:56:58,745 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:56:58,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 02:56:58,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:56:58,960 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 02:56:58,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:56:58,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1468045676, now seen corresponding path program 1 times [2022-07-14 02:56:58,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:56:58,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1318054123] [2022-07-14 02:56:58,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:56:58,963 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:56:58,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:56:58,966 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) [2022-07-14 02:56:58,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 02:57:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:57:02,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 2054 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:57:02,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:57:02,493 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-14 02:57:02,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:57:02,494 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:57:02,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1318054123] [2022-07-14 02:57:02,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1318054123] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:57:02,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:57:02,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:57:02,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900152671] [2022-07-14 02:57:02,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:57:02,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:57:02,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:57:02,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:57:02,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:57:02,497 INFO L87 Difference]: Start difference. First operand 21278 states and 29479 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-14 02:57:03,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:57:03,918 INFO L93 Difference]: Finished difference Result 48087 states and 66589 transitions. [2022-07-14 02:57:03,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:57:03,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 204 [2022-07-14 02:57:03,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:57:04,113 INFO L225 Difference]: With dead ends: 48087 [2022-07-14 02:57:04,114 INFO L226 Difference]: Without dead ends: 26842 [2022-07-14 02:57:04,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:57:04,219 INFO L413 NwaCegarLoop]: 4644 mSDtfsCounter, 3802 mSDsluCounter, 3861 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3802 SdHoareTripleChecker+Valid, 8505 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 02:57:04,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3802 Valid, 8505 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 02:57:04,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26842 states. [2022-07-14 02:57:05,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26842 to 26803. [2022-07-14 02:57:05,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26803 states, 18329 states have (on average 1.2517867859675924) internal successors, (22944), 18629 states have internal predecessors, (22944), 7034 states have call successors, (7034), 1468 states have call predecessors, (7034), 1436 states have return successors, (7111), 6899 states have call predecessors, (7111), 7030 states have call successors, (7111) [2022-07-14 02:57:05,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26803 states to 26803 states and 37089 transitions. [2022-07-14 02:57:05,633 INFO L78 Accepts]: Start accepts. Automaton has 26803 states and 37089 transitions. Word has length 204 [2022-07-14 02:57:05,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:57:05,633 INFO L495 AbstractCegarLoop]: Abstraction has 26803 states and 37089 transitions. [2022-07-14 02:57:05,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-14 02:57:05,634 INFO L276 IsEmpty]: Start isEmpty. Operand 26803 states and 37089 transitions. [2022-07-14 02:57:05,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-07-14 02:57:05,640 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:57:05,640 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:57:05,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 02:57:05,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:57:05,860 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 02:57:05,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:57:05,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1097800989, now seen corresponding path program 1 times [2022-07-14 02:57:05,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:57:05,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779525721] [2022-07-14 02:57:05,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:57:05,864 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:57:05,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:57:05,867 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) [2022-07-14 02:57:05,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 02:57:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:57:09,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:57:09,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:57:09,313 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-14 02:57:09,314 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:57:09,314 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:57:09,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779525721] [2022-07-14 02:57:09,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [779525721] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:57:09,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:57:09,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:57:09,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231547129] [2022-07-14 02:57:09,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:57:09,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:57:09,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:57:09,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:57:09,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:57:09,317 INFO L87 Difference]: Start difference. First operand 26803 states and 37089 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-14 02:57:11,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:57:11,661 INFO L93 Difference]: Finished difference Result 70761 states and 97622 transitions. [2022-07-14 02:57:11,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:57:11,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 209 [2022-07-14 02:57:11,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:57:11,973 INFO L225 Difference]: With dead ends: 70761 [2022-07-14 02:57:11,973 INFO L226 Difference]: Without dead ends: 43991 [2022-07-14 02:57:12,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:57:12,076 INFO L413 NwaCegarLoop]: 4392 mSDtfsCounter, 2588 mSDsluCounter, 3764 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2588 SdHoareTripleChecker+Valid, 8156 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-14 02:57:12,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2588 Valid, 8156 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-14 02:57:12,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43991 states. [2022-07-14 02:57:14,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43991 to 43949. [2022-07-14 02:57:14,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43949 states, 29900 states have (on average 1.2470903010033445) internal successors, (37288), 30431 states have internal predecessors, (37288), 11517 states have call successors, (11517), 2594 states have call predecessors, (11517), 2528 states have return successors, (11671), 11240 states have call predecessors, (11671), 11513 states have call successors, (11671) [2022-07-14 02:57:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43949 states to 43949 states and 60476 transitions. [2022-07-14 02:57:14,887 INFO L78 Accepts]: Start accepts. Automaton has 43949 states and 60476 transitions. Word has length 209 [2022-07-14 02:57:14,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:57:14,900 INFO L495 AbstractCegarLoop]: Abstraction has 43949 states and 60476 transitions. [2022-07-14 02:57:14,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-14 02:57:14,901 INFO L276 IsEmpty]: Start isEmpty. Operand 43949 states and 60476 transitions. [2022-07-14 02:57:14,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-14 02:57:14,917 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:57:14,917 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:57:15,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 02:57:15,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:57:15,132 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 02:57:15,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:57:15,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1609837398, now seen corresponding path program 1 times [2022-07-14 02:57:15,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:57:15,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189342753] [2022-07-14 02:57:15,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:57:15,135 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:57:15,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:57:15,444 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) [2022-07-14 02:57:15,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 02:57:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:57:18,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 2119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:57:18,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:57:18,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2022-07-14 02:57:18,919 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:57:18,919 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:57:18,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1189342753] [2022-07-14 02:57:18,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1189342753] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:57:18,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:57:18,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:57:18,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831146772] [2022-07-14 02:57:18,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:57:18,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:57:18,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:57:18,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:57:18,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:57:18,922 INFO L87 Difference]: Start difference. First operand 43949 states and 60476 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 02:57:21,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:57:21,261 INFO L93 Difference]: Finished difference Result 113622 states and 156421 transitions. [2022-07-14 02:57:21,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:57:21,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 238 [2022-07-14 02:57:21,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:57:22,016 INFO L225 Difference]: With dead ends: 113622 [2022-07-14 02:57:22,017 INFO L226 Difference]: Without dead ends: 78269 [2022-07-14 02:57:22,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:57:22,136 INFO L413 NwaCegarLoop]: 7577 mSDtfsCounter, 3702 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3702 SdHoareTripleChecker+Valid, 11425 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:57:22,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3702 Valid, 11425 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 02:57:22,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78269 states. [2022-07-14 02:57:24,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78269 to 78263. [2022-07-14 02:57:24,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78263 states, 53286 states have (on average 1.2473445182599556) internal successors, (66466), 54191 states have internal predecessors, (66466), 20467 states have call successors, (20467), 4630 states have call predecessors, (20467), 4506 states have return successors, (20757), 20006 states have call predecessors, (20757), 20463 states have call successors, (20757) [2022-07-14 02:57:25,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78263 states to 78263 states and 107690 transitions. [2022-07-14 02:57:25,889 INFO L78 Accepts]: Start accepts. Automaton has 78263 states and 107690 transitions. Word has length 238 [2022-07-14 02:57:25,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:57:25,891 INFO L495 AbstractCegarLoop]: Abstraction has 78263 states and 107690 transitions. [2022-07-14 02:57:25,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 02:57:25,891 INFO L276 IsEmpty]: Start isEmpty. Operand 78263 states and 107690 transitions. [2022-07-14 02:57:25,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-14 02:57:25,898 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:57:25,899 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:57:25,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 02:57:26,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:57:26,120 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 02:57:26,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:57:26,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1750386008, now seen corresponding path program 1 times [2022-07-14 02:57:26,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:57:26,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2074563159] [2022-07-14 02:57:26,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:57:26,123 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:57:26,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:57:26,127 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) [2022-07-14 02:57:26,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 02:57:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:57:29,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 2119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 02:57:29,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:57:33,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-07-14 02:57:33,496 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:57:33,496 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:57:33,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2074563159] [2022-07-14 02:57:33,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2074563159] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:57:33,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:57:33,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:57:33,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949385068] [2022-07-14 02:57:33,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:57:33,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:57:33,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:57:33,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:57:33,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:57:33,498 INFO L87 Difference]: Start difference. First operand 78263 states and 107690 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-07-14 02:57:35,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:57:35,526 INFO L93 Difference]: Finished difference Result 78269 states and 107695 transitions. [2022-07-14 02:57:35,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:57:35,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 238 [2022-07-14 02:57:35,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:57:36,189 INFO L225 Difference]: With dead ends: 78269 [2022-07-14 02:57:36,189 INFO L226 Difference]: Without dead ends: 78267 [2022-07-14 02:57:36,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:57:36,239 INFO L413 NwaCegarLoop]: 3872 mSDtfsCounter, 3779 mSDsluCounter, 7728 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3780 SdHoareTripleChecker+Valid, 11600 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 02:57:36,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3780 Valid, 11600 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 02:57:36,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78267 states. [2022-07-14 02:57:38,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78267 to 78267. [2022-07-14 02:57:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78267 states, 53289 states have (on average 1.2473305935558934) internal successors, (66469), 54194 states have internal predecessors, (66469), 20467 states have call successors, (20467), 4631 states have call predecessors, (20467), 4507 states have return successors, (20757), 20006 states have call predecessors, (20757), 20463 states have call successors, (20757) [2022-07-14 02:57:39,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78267 states to 78267 states and 107693 transitions. [2022-07-14 02:57:39,458 INFO L78 Accepts]: Start accepts. Automaton has 78267 states and 107693 transitions. Word has length 238 [2022-07-14 02:57:39,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:57:39,460 INFO L495 AbstractCegarLoop]: Abstraction has 78267 states and 107693 transitions. [2022-07-14 02:57:39,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-07-14 02:57:39,460 INFO L276 IsEmpty]: Start isEmpty. Operand 78267 states and 107693 transitions. [2022-07-14 02:57:39,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-14 02:57:39,468 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:57:39,468 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:57:39,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 02:57:39,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:57:39,684 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 02:57:39,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:57:39,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1646136858, now seen corresponding path program 1 times [2022-07-14 02:57:39,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:57:39,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [907133068] [2022-07-14 02:57:39,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:57:39,688 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:57:39,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:57:39,689 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) [2022-07-14 02:57:39,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 02:57:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:57:42,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 02:57:42,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:57:47,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-07-14 02:57:47,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 02:57:48,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-07-14 02:57:48,971 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:57:48,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [907133068] [2022-07-14 02:57:48,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [907133068] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 02:57:48,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 02:57:48,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-14 02:57:48,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993863888] [2022-07-14 02:57:48,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:57:48,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:57:48,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:57:48,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:57:48,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:57:48,973 INFO L87 Difference]: Start difference. First operand 78267 states and 107693 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-14 02:57:51,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:57:51,141 INFO L93 Difference]: Finished difference Result 78273 states and 107698 transitions. [2022-07-14 02:57:51,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 02:57:51,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 243 [2022-07-14 02:57:51,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:57:51,623 INFO L225 Difference]: With dead ends: 78273 [2022-07-14 02:57:51,624 INFO L226 Difference]: Without dead ends: 78271 [2022-07-14 02:57:51,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:57:51,696 INFO L413 NwaCegarLoop]: 3875 mSDtfsCounter, 3798 mSDsluCounter, 7727 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3812 SdHoareTripleChecker+Valid, 11602 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 02:57:51,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3812 Valid, 11602 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 02:57:51,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78271 states. [2022-07-14 02:57:54,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78271 to 78271. [2022-07-14 02:57:54,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78271 states, 53292 states have (on average 1.2473166704195753) internal successors, (66472), 54197 states have internal predecessors, (66472), 20467 states have call successors, (20467), 4632 states have call predecessors, (20467), 4508 states have return successors, (20757), 20006 states have call predecessors, (20757), 20463 states have call successors, (20757) [2022-07-14 02:57:54,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78271 states to 78271 states and 107696 transitions. [2022-07-14 02:57:54,854 INFO L78 Accepts]: Start accepts. Automaton has 78271 states and 107696 transitions. Word has length 243 [2022-07-14 02:57:54,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:57:54,855 INFO L495 AbstractCegarLoop]: Abstraction has 78271 states and 107696 transitions. [2022-07-14 02:57:54,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-14 02:57:54,856 INFO L276 IsEmpty]: Start isEmpty. Operand 78271 states and 107696 transitions. [2022-07-14 02:57:54,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-07-14 02:57:54,862 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:57:54,863 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:57:54,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-14 02:57:55,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:57:55,084 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 02:57:55,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:57:55,084 INFO L85 PathProgramCache]: Analyzing trace with hash -534936104, now seen corresponding path program 1 times [2022-07-14 02:57:55,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:57:55,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1613351818] [2022-07-14 02:57:55,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:57:55,087 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:57:55,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:57:55,088 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) [2022-07-14 02:57:55,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-14 02:57:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:57:58,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 2133 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 02:57:58,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:58:02,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2022-07-14 02:58:02,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 02:58:04,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2022-07-14 02:58:04,285 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:58:04,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1613351818] [2022-07-14 02:58:04,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1613351818] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 02:58:04,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 02:58:04,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-14 02:58:04,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298532733] [2022-07-14 02:58:04,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:58:04,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:58:04,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:58:04,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:58:04,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:58:04,287 INFO L87 Difference]: Start difference. First operand 78271 states and 107696 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-14 02:58:06,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:58:06,674 INFO L93 Difference]: Finished difference Result 78277 states and 107701 transitions. [2022-07-14 02:58:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 02:58:06,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 248 [2022-07-14 02:58:06,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:58:07,094 INFO L225 Difference]: With dead ends: 78277 [2022-07-14 02:58:07,095 INFO L226 Difference]: Without dead ends: 78275 [2022-07-14 02:58:07,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:58:07,157 INFO L413 NwaCegarLoop]: 3875 mSDtfsCounter, 3798 mSDsluCounter, 7727 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3811 SdHoareTripleChecker+Valid, 11602 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 02:58:07,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3811 Valid, 11602 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 02:58:07,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78275 states. [2022-07-14 02:58:09,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78275 to 78275. [2022-07-14 02:58:09,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78275 states, 53295 states have (on average 1.2473027488507364) internal successors, (66475), 54200 states have internal predecessors, (66475), 20467 states have call successors, (20467), 4633 states have call predecessors, (20467), 4509 states have return successors, (20757), 20006 states have call predecessors, (20757), 20463 states have call successors, (20757) [2022-07-14 02:58:09,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78275 states to 78275 states and 107699 transitions. [2022-07-14 02:58:09,908 INFO L78 Accepts]: Start accepts. Automaton has 78275 states and 107699 transitions. Word has length 248 [2022-07-14 02:58:09,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:58:09,909 INFO L495 AbstractCegarLoop]: Abstraction has 78275 states and 107699 transitions. [2022-07-14 02:58:09,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-14 02:58:09,909 INFO L276 IsEmpty]: Start isEmpty. Operand 78275 states and 107699 transitions. [2022-07-14 02:58:09,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-14 02:58:09,916 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:58:09,917 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:58:10,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-14 02:58:10,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:58:10,516 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 02:58:10,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:58:10,516 INFO L85 PathProgramCache]: Analyzing trace with hash 254470871, now seen corresponding path program 1 times [2022-07-14 02:58:10,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:58:10,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646388709] [2022-07-14 02:58:10,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:58:10,518 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:58:10,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:58:10,519 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) [2022-07-14 02:58:10,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-14 02:58:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:58:13,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 2187 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:58:13,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:58:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 988 trivial. 0 not checked. [2022-07-14 02:58:13,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:58:13,404 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:58:13,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [646388709] [2022-07-14 02:58:13,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [646388709] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:58:13,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:58:13,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:58:13,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887490486] [2022-07-14 02:58:13,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:58:13,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:58:13,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:58:13,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:58:13,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:58:13,406 INFO L87 Difference]: Start difference. First operand 78275 states and 107699 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-14 02:58:17,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:58:17,107 INFO L93 Difference]: Finished difference Result 182324 states and 250944 transitions. [2022-07-14 02:58:17,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:58:17,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 264 [2022-07-14 02:58:17,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:58:17,794 INFO L225 Difference]: With dead ends: 182324 [2022-07-14 02:58:17,794 INFO L226 Difference]: Without dead ends: 112645 [2022-07-14 02:58:18,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:58:18,002 INFO L413 NwaCegarLoop]: 7593 mSDtfsCounter, 3741 mSDsluCounter, 3850 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3741 SdHoareTripleChecker+Valid, 11443 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:58:18,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3741 Valid, 11443 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 02:58:18,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112645 states. [2022-07-14 02:58:22,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112645 to 112605. [2022-07-14 02:58:22,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112605 states, 76697 states have (on average 1.2473629998565785) internal successors, (95669), 77976 states have internal predecessors, (95669), 29417 states have call successors, (29417), 6669 states have call predecessors, (29417), 6487 states have return successors, (29843), 28772 states have call predecessors, (29843), 29413 states have call successors, (29843) [2022-07-14 02:58:22,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112605 states to 112605 states and 154929 transitions. [2022-07-14 02:58:22,856 INFO L78 Accepts]: Start accepts. Automaton has 112605 states and 154929 transitions. Word has length 264 [2022-07-14 02:58:22,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:58:22,857 INFO L495 AbstractCegarLoop]: Abstraction has 112605 states and 154929 transitions. [2022-07-14 02:58:22,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-14 02:58:22,857 INFO L276 IsEmpty]: Start isEmpty. Operand 112605 states and 154929 transitions. [2022-07-14 02:58:22,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-14 02:58:22,864 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:58:22,864 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:58:22,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-07-14 02:58:23,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:58:23,080 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 02:58:23,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:58:23,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1077391590, now seen corresponding path program 1 times [2022-07-14 02:58:23,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:58:23,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1955634657] [2022-07-14 02:58:23,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:58:23,082 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:58:23,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:58:23,084 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) [2022-07-14 02:58:23,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-14 02:58:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:58:25,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 02:58:25,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:58:30,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1051 trivial. 0 not checked. [2022-07-14 02:58:30,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 02:58:32,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1051 trivial. 0 not checked. [2022-07-14 02:58:32,422 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:58:32,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1955634657] [2022-07-14 02:58:32,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1955634657] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 02:58:32,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 02:58:32,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-14 02:58:32,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704408092] [2022-07-14 02:58:32,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:58:32,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:58:32,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:58:32,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:58:32,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:58:32,424 INFO L87 Difference]: Start difference. First operand 112605 states and 154929 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-14 02:58:35,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:58:35,337 INFO L93 Difference]: Finished difference Result 112611 states and 154934 transitions. [2022-07-14 02:58:35,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 02:58:35,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 253 [2022-07-14 02:58:35,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:58:35,993 INFO L225 Difference]: With dead ends: 112611 [2022-07-14 02:58:35,994 INFO L226 Difference]: Without dead ends: 112609 [2022-07-14 02:58:36,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:58:36,043 INFO L413 NwaCegarLoop]: 3875 mSDtfsCounter, 3798 mSDsluCounter, 7727 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3810 SdHoareTripleChecker+Valid, 11602 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 02:58:36,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3810 Valid, 11602 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 02:58:36,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112609 states. [2022-07-14 02:58:40,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112609 to 112609. [2022-07-14 02:58:40,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112609 states, 76700 states have (on average 1.2473533246414603) internal successors, (95672), 77979 states have internal predecessors, (95672), 29417 states have call successors, (29417), 6670 states have call predecessors, (29417), 6488 states have return successors, (29843), 28772 states have call predecessors, (29843), 29413 states have call successors, (29843) [2022-07-14 02:58:40,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112609 states to 112609 states and 154932 transitions. [2022-07-14 02:58:40,752 INFO L78 Accepts]: Start accepts. Automaton has 112609 states and 154932 transitions. Word has length 253 [2022-07-14 02:58:40,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:58:40,753 INFO L495 AbstractCegarLoop]: Abstraction has 112609 states and 154932 transitions. [2022-07-14 02:58:40,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-14 02:58:40,754 INFO L276 IsEmpty]: Start isEmpty. Operand 112609 states and 154932 transitions. [2022-07-14 02:58:40,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-07-14 02:58:40,759 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:58:40,759 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2022-07-14 02:58:40,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-07-14 02:58:40,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:58:40,960 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 02:58:40,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:58:40,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1489065560, now seen corresponding path program 1 times [2022-07-14 02:58:40,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:58:40,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2116111879] [2022-07-14 02:58:40,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:58:40,962 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:58:40,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:58:40,963 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) [2022-07-14 02:58:40,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process