./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.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 c2ae5598eb8e855028fa92e7ae47f6d5aee7a22667905b541c24d1d907d5da2d --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:51:45,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:51:45,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:51:45,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:51:45,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:51:45,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:51:45,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:51:45,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:51:45,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:51:45,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:51:45,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:51:45,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:51:45,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:51:45,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:51:45,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:51:45,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:51:45,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:51:45,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:51:45,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:51:45,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:51:45,330 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:51:45,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:51:45,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:51:45,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:51:45,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:51:45,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:51:45,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:51:45,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:51:45,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:51:45,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:51:45,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:51:45,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:51:45,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:51:45,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:51:45,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:51:45,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:51:45,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:51:45,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:51:45,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:51:45,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:51:45,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:51:45,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:51:45,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:51:45,389 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:51:45,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:51:45,391 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:51:45,391 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:51:45,391 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:51:45,391 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:51:45,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:51:45,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:51:45,392 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:51:45,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:51:45,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:51:45,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:51:45,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:51:45,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:51:45,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:51:45,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:51:45,399 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:51:45,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:51:45,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:51:45,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:51:45,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:51:45,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:51:45,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:51:45,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:51:45,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:51:45,401 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:51:45,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:51:45,401 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:51:45,401 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:51:45,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:51:45,402 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2ae5598eb8e855028fa92e7ae47f6d5aee7a22667905b541c24d1d907d5da2d [2022-07-21 14:51:45,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:51:45,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:51:45,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:51:45,701 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:51:45,701 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:51:45,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-21 14:51:45,762 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c15b6f7b3/86cfabd9d04c46f08c372d491c04aff4/FLAG0d60e1669 [2022-07-21 14:51:46,465 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:51:46,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-21 14:51:46,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c15b6f7b3/86cfabd9d04c46f08c372d491c04aff4/FLAG0d60e1669 [2022-07-21 14:51:46,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c15b6f7b3/86cfabd9d04c46f08c372d491c04aff4 [2022-07-21 14:51:46,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:51:46,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:51:46,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:51:46,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:51:46,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:51:46,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:51:46" (1/1) ... [2022-07-21 14:51:46,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c827956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:46, skipping insertion in model container [2022-07-21 14:51:46,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:51:46" (1/1) ... [2022-07-21 14:51:46,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:51:46,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:51:48,459 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[470671,470684] [2022-07-21 14:51:48,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[470837,470850] [2022-07-21 14:51:48,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[471001,471014] [2022-07-21 14:51:48,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[471166,471179] [2022-07-21 14:51:48,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:51:48,518 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:51:48,789 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: mode = (unsigned int )mode & 223U [12949] 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) 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) [2022-07-21 14:51:48,795 INFO L158 Benchmark]: Toolchain (without parser) took 2242.06ms. Allocated memory was 65.0MB in the beginning and 218.1MB in the end (delta: 153.1MB). Free memory was 38.2MB in the beginning and 125.5MB in the end (delta: -87.4MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. [2022-07-21 14:51:48,795 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 46.6MB in the beginning and 46.6MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 14:51:48,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2239.93ms. Allocated memory was 65.0MB in the beginning and 218.1MB in the end (delta: 153.1MB). Free memory was 38.0MB in the beginning and 125.5MB in the end (delta: -87.5MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. [2022-07-21 14:51:48,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 46.6MB in the beginning and 46.6MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2239.93ms. Allocated memory was 65.0MB in the beginning and 218.1MB in the end (delta: 153.1MB). Free memory was 38.0MB in the beginning and 125.5MB in the end (delta: -87.5MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [12949] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [12949]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.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 c2ae5598eb8e855028fa92e7ae47f6d5aee7a22667905b541c24d1d907d5da2d --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:51:50,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:51:50,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:51:50,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:51:50,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:51:50,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:51:50,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:51:50,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:51:50,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:51:50,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:51:50,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:51:50,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:51:50,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:51:50,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:51:50,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:51:50,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:51:50,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:51:50,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:51:50,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:51:50,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:51:50,513 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:51:50,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:51:50,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:51:50,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:51:50,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:51:50,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:51:50,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:51:50,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:51:50,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:51:50,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:51:50,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:51:50,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:51:50,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:51:50,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:51:50,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:51:50,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:51:50,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:51:50,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:51:50,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:51:50,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:51:50,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:51:50,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:51:50,535 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 14:51:50,560 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:51:50,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:51:50,561 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:51:50,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:51:50,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:51:50,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:51:50,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:51:50,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:51:50,562 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:51:50,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:51:50,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:51:50,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:51:50,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:51:50,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:51:50,564 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 14:51:50,564 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 14:51:50,564 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 14:51:50,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:51:50,565 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:51:50,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:51:50,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:51:50,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:51:50,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:51:50,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:51:50,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:51:50,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:51:50,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:51:50,566 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 14:51:50,566 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 14:51:50,566 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:51:50,567 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:51:50,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:51:50,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 14:51:50,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2ae5598eb8e855028fa92e7ae47f6d5aee7a22667905b541c24d1d907d5da2d [2022-07-21 14:51:50,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:51:50,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:51:50,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:51:50,831 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:51:50,836 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:51:50,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-21 14:51:50,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2021305e5/eff23db5444d4f639a64e9c7830ca0bf/FLAGad724e06d [2022-07-21 14:51:51,572 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:51:51,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-21 14:51:51,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2021305e5/eff23db5444d4f639a64e9c7830ca0bf/FLAGad724e06d [2022-07-21 14:51:51,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2021305e5/eff23db5444d4f639a64e9c7830ca0bf [2022-07-21 14:51:51,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:51:51,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:51:51,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:51:51,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:51:51,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:51:51,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:51:51" (1/1) ... [2022-07-21 14:51:51,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d792fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:51, skipping insertion in model container [2022-07-21 14:51:51,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:51:51" (1/1) ... [2022-07-21 14:51:51,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:51:51,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:51:53,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[470671,470684] [2022-07-21 14:51:53,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[470837,470850] [2022-07-21 14:51:53,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[471001,471014] [2022-07-21 14:51:53,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[471166,471179] [2022-07-21 14:51:53,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:51:53,569 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 14:51:53,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:51:53,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[470671,470684] [2022-07-21 14:51:53,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[470837,470850] [2022-07-21 14:51:53,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[471001,471014] [2022-07-21 14:51:53,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[471166,471179] [2022-07-21 14:51:53,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:51:53,950 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:51:54,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[470671,470684] [2022-07-21 14:51:54,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[470837,470850] [2022-07-21 14:51:54,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[471001,471014] [2022-07-21 14:51:54,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[471166,471179] [2022-07-21 14:51:54,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:51:54,584 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:51:54,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:54 WrapperNode [2022-07-21 14:51:54,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:51:54,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:51:54,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:51:54,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:51:54,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:54" (1/1) ... [2022-07-21 14:51:54,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:54" (1/1) ... [2022-07-21 14:51:54,825 INFO L137 Inliner]: procedures = 328, calls = 4214, calls flagged for inlining = 171, calls inlined = 156, statements flattened = 6901 [2022-07-21 14:51:54,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:51:54,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:51:54,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:51:54,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:51:54,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:54" (1/1) ... [2022-07-21 14:51:54,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:54" (1/1) ... [2022-07-21 14:51:54,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:54" (1/1) ... [2022-07-21 14:51:54,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:54" (1/1) ... [2022-07-21 14:51:55,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:54" (1/1) ... [2022-07-21 14:51:55,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:54" (1/1) ... [2022-07-21 14:51:55,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:54" (1/1) ... [2022-07-21 14:51:55,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:51:55,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:51:55,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:51:55,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:51:55,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:54" (1/1) ... [2022-07-21 14:51:55,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:51:55,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:51:55,168 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) [2022-07-21 14:51:55,188 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 [2022-07-21 14:51:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-21 14:51:55,193 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-21 14:51:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-21 14:51:55,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-21 14:51:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 14:51:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-21 14:51:55,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-21 14:51:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 14:51:55,194 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 14:51:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2022-07-21 14:51:55,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2022-07-21 14:51:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 14:51:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:51:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 14:51:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:51:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:51:55,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:51:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-21 14:51:55,195 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-21 14:51:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:51:55,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:51:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-21 14:51:55,196 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-21 14:51:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2022-07-21 14:51:55,196 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2022-07-21 14:51:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-21 14:51:55,196 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-21 14:51:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2022-07-21 14:51:55,196 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2022-07-21 14:51:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_xfer [2022-07-21 14:51:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_xfer [2022-07-21 14:51:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-21 14:51:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-21 14:51:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-21 14:51:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-21 14:51:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_sleep [2022-07-21 14:51:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_sleep [2022-07-21 14:51:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-21 14:51:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-21 14:51:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-21 14:51:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-21 14:51:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-21 14:51:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-21 14:51:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-21 14:51:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-21 14:51:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-21 14:51:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-21 14:51:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:51:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-21 14:51:55,199 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-21 14:51:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-21 14:51:55,199 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-21 14:51:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:51:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:51:55,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:51:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:51:55,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:51:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-21 14:51:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-21 14:51:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-21 14:51:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-21 14:51:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 14:51:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 14:51:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_init [2022-07-21 14:51:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_init [2022-07-21 14:51:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 14:51:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:51:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-21 14:51:55,201 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-21 14:51:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:51:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 14:51:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 14:51:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 14:51:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 14:51:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-21 14:51:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-21 14:51:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:51:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:51:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2022-07-21 14:51:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2022-07-21 14:51:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-21 14:51:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-21 14:51:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-21 14:51:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-21 14:51:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-21 14:51:55,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-21 14:51:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fe_lock_of_mxl111sf_state [2022-07-21 14:51:55,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fe_lock_of_mxl111sf_state [2022-07-21 14:51:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:51:55,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:51:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-21 14:51:55,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-21 14:51:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-21 14:51:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-21 14:51:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-21 14:51:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-21 14:51:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-21 14:51:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-21 14:51:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-21 14:51:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-21 14:51:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:51:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:51:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-21 14:51:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-21 14:51:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-21 14:51:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-21 14:51:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-21 14:51:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-21 14:51:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-21 14:51:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-21 14:51:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 14:51:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 14:51:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-21 14:51:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-21 14:51:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 14:51:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 14:51:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-21 14:51:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-21 14:51:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-21 14:51:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-21 14:51:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 14:51:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 14:51:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:51:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:51:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-21 14:51:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-21 14:51:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:51:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 14:51:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 14:51:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 14:51:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 14:51:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:51:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-21 14:51:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-21 14:51:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:51:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:51:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-21 14:51:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-21 14:51:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:51:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 14:51:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 14:51:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 14:51:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-21 14:51:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-21 14:51:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-21 14:51:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-21 14:51:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-21 14:51:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-21 14:51:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:51:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:51:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_func [2022-07-21 14:51:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_func [2022-07-21 14:51:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-21 14:51:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-21 14:51:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-21 14:51:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-21 14:51:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-21 14:51:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-21 14:51:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2022-07-21 14:51:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2022-07-21 14:51:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-21 14:51:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-21 14:51:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-21 14:51:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-21 14:51:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2022-07-21 14:51:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2022-07-21 14:51:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2022-07-21 14:51:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2022-07-21 14:51:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 14:51:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2022-07-21 14:51:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2022-07-21 14:51:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:51:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:51:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:51:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:51:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-21 14:51:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2022-07-21 14:51:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-21 14:51:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-21 14:51:55,877 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:51:55,879 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:51:57,841 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:53:58,326 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 14:53:58,505 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:53:58,520 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:53:58,520 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 14:53:58,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:53:58 BoogieIcfgContainer [2022-07-21 14:53:58,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:53:58,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:53:58,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:53:58,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:53:58,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:51:51" (1/3) ... [2022-07-21 14:53:58,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63bbe67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:53:58, skipping insertion in model container [2022-07-21 14:53:58,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:54" (2/3) ... [2022-07-21 14:53:58,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63bbe67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:53:58, skipping insertion in model container [2022-07-21 14:53:58,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:53:58" (3/3) ... [2022-07-21 14:53:58,528 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-21 14:53:58,537 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:53:58,537 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-21 14:53:58,589 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:53:58,593 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@39f8afb5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4d7bbfb5 [2022-07-21 14:53:58,593 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-21 14:53:58,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 2427 states, 1820 states have (on average 1.4131868131868133) internal successors, (2572), 1853 states have internal predecessors, (2572), 530 states have call successors, (530), 75 states have call predecessors, (530), 74 states have return successors, (523), 503 states have call predecessors, (523), 523 states have call successors, (523) [2022-07-21 14:53:58,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2022-07-21 14:53:58,622 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:53:58,623 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:53:58,623 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:53:58,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:53:58,627 INFO L85 PathProgramCache]: Analyzing trace with hash 505702281, now seen corresponding path program 1 times [2022-07-21 14:53:58,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:53:58,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [96662569] [2022-07-21 14:53:58,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:53:58,644 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:53:58,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:53:58,646 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) [2022-07-21 14:53:58,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 14:54:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:05,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 5150 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:54:05,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:54:06,460 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-21 14:54:06,461 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:54:06,461 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:54:06,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [96662569] [2022-07-21 14:54:06,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [96662569] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:54:06,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:54:06,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:54:06,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439980217] [2022-07-21 14:54:06,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:54:06,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:54:06,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:54:06,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:54:06,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:54:06,488 INFO L87 Difference]: Start difference. First operand has 2427 states, 1820 states have (on average 1.4131868131868133) internal successors, (2572), 1853 states have internal predecessors, (2572), 530 states have call successors, (530), 75 states have call predecessors, (530), 74 states have return successors, (523), 503 states have call predecessors, (523), 523 states have call successors, (523) Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-07-21 14:54:07,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:54:07,828 INFO L93 Difference]: Finished difference Result 6962 states and 10470 transitions. [2022-07-21 14:54:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:54:07,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 580 [2022-07-21 14:54:07,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:54:07,879 INFO L225 Difference]: With dead ends: 6962 [2022-07-21 14:54:07,880 INFO L226 Difference]: Without dead ends: 4629 [2022-07-21 14:54:07,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 578 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:54:07,909 INFO L413 NwaCegarLoop]: 4073 mSDtfsCounter, 3352 mSDsluCounter, 3556 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3352 SdHoareTripleChecker+Valid, 7629 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:54:07,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3352 Valid, 7629 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 14:54:07,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4629 states. [2022-07-21 14:54:08,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4629 to 4625. [2022-07-21 14:54:08,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4625 states, 3509 states have (on average 1.420347677400969) internal successors, (4984), 3574 states have internal predecessors, (4984), 969 states have call successors, (969), 145 states have call predecessors, (969), 144 states have return successors, (965), 925 states have call predecessors, (965), 965 states have call successors, (965) [2022-07-21 14:54:08,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4625 states to 4625 states and 6918 transitions. [2022-07-21 14:54:08,141 INFO L78 Accepts]: Start accepts. Automaton has 4625 states and 6918 transitions. Word has length 580 [2022-07-21 14:54:08,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:54:08,144 INFO L495 AbstractCegarLoop]: Abstraction has 4625 states and 6918 transitions. [2022-07-21 14:54:08,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-07-21 14:54:08,145 INFO L276 IsEmpty]: Start isEmpty. Operand 4625 states and 6918 transitions. [2022-07-21 14:54:08,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2022-07-21 14:54:08,157 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:54:08,158 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:54:08,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 14:54:08,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:54:08,372 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:54:08,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:54:08,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1670924512, now seen corresponding path program 1 times [2022-07-21 14:54:08,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:54:08,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409431037] [2022-07-21 14:54:08,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:54:08,377 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:54:08,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:54:08,396 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) [2022-07-21 14:54:08,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 14:54:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:15,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 5221 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:54:15,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:54:15,975 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-21 14:54:15,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:54:15,976 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:54:15,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409431037] [2022-07-21 14:54:15,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [409431037] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:54:15,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:54:15,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:54:15,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582255878] [2022-07-21 14:54:15,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:54:15,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:54:15,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:54:15,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:54:15,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:54:15,979 INFO L87 Difference]: Start difference. First operand 4625 states and 6918 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-21 14:54:17,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:54:17,324 INFO L93 Difference]: Finished difference Result 11352 states and 16981 transitions. [2022-07-21 14:54:17,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:54:17,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 584 [2022-07-21 14:54:17,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:54:17,371 INFO L225 Difference]: With dead ends: 11352 [2022-07-21 14:54:17,371 INFO L226 Difference]: Without dead ends: 6832 [2022-07-21 14:54:17,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 582 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:54:17,399 INFO L413 NwaCegarLoop]: 4066 mSDtfsCounter, 3347 mSDsluCounter, 3555 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3347 SdHoareTripleChecker+Valid, 7621 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:54:17,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 7621 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 14:54:17,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6832 states. [2022-07-21 14:54:17,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6832 to 6812. [2022-07-21 14:54:17,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6812 states, 5181 states have (on average 1.4230843466512257) internal successors, (7373), 5279 states have internal predecessors, (7373), 1409 states have call successors, (1409), 220 states have call predecessors, (1409), 219 states have return successors, (1405), 1342 states have call predecessors, (1405), 1405 states have call successors, (1405) [2022-07-21 14:54:17,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 10187 transitions. [2022-07-21 14:54:17,591 INFO L78 Accepts]: Start accepts. Automaton has 6812 states and 10187 transitions. Word has length 584 [2022-07-21 14:54:17,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:54:17,592 INFO L495 AbstractCegarLoop]: Abstraction has 6812 states and 10187 transitions. [2022-07-21 14:54:17,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-21 14:54:17,593 INFO L276 IsEmpty]: Start isEmpty. Operand 6812 states and 10187 transitions. [2022-07-21 14:54:17,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2022-07-21 14:54:17,601 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:54:17,602 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:54:17,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 14:54:17,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:54:17,827 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:54:17,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:54:17,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1270461710, now seen corresponding path program 1 times [2022-07-21 14:54:17,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:54:17,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [609376899] [2022-07-21 14:54:17,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:54:17,832 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:54:17,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:54:17,835 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) [2022-07-21 14:54:17,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 14:54:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:24,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 5222 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:54:25,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:54:25,638 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-21 14:54:25,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:54:25,638 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:54:25,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [609376899] [2022-07-21 14:54:25,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [609376899] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:54:25,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:54:25,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:54:25,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709296058] [2022-07-21 14:54:25,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:54:25,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:54:25,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:54:25,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:54:25,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:54:25,640 INFO L87 Difference]: Start difference. First operand 6812 states and 10187 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-21 14:54:27,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:54:27,051 INFO L93 Difference]: Finished difference Result 17852 states and 26684 transitions. [2022-07-21 14:54:27,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:54:27,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 585 [2022-07-21 14:54:27,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:54:27,112 INFO L225 Difference]: With dead ends: 17852 [2022-07-21 14:54:27,112 INFO L226 Difference]: Without dead ends: 11145 [2022-07-21 14:54:27,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 583 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:54:27,150 INFO L413 NwaCegarLoop]: 4105 mSDtfsCounter, 3310 mSDsluCounter, 3556 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3310 SdHoareTripleChecker+Valid, 7661 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:54:27,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3310 Valid, 7661 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 14:54:27,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11145 states. [2022-07-21 14:54:27,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11145 to 11123. [2022-07-21 14:54:27,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11123 states, 8483 states have (on average 1.4242602852764352) internal successors, (12082), 8632 states have internal predecessors, (12082), 2268 states have call successors, (2268), 370 states have call predecessors, (2268), 369 states have return successors, (2264), 2167 states have call predecessors, (2264), 2264 states have call successors, (2264) [2022-07-21 14:54:27,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11123 states to 11123 states and 16614 transitions. [2022-07-21 14:54:27,517 INFO L78 Accepts]: Start accepts. Automaton has 11123 states and 16614 transitions. Word has length 585 [2022-07-21 14:54:27,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:54:27,519 INFO L495 AbstractCegarLoop]: Abstraction has 11123 states and 16614 transitions. [2022-07-21 14:54:27,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-21 14:54:27,520 INFO L276 IsEmpty]: Start isEmpty. Operand 11123 states and 16614 transitions. [2022-07-21 14:54:27,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2022-07-21 14:54:27,528 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:54:27,528 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:54:27,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 14:54:27,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:54:27,744 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:54:27,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:54:27,744 INFO L85 PathProgramCache]: Analyzing trace with hash 478959107, now seen corresponding path program 1 times [2022-07-21 14:54:27,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:54:27,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1247701833] [2022-07-21 14:54:27,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:54:27,749 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:54:27,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:54:27,757 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) [2022-07-21 14:54:27,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 14:54:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:34,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 5223 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:54:34,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:54:35,390 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-21 14:54:35,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:54:35,391 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:54:35,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1247701833] [2022-07-21 14:54:35,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1247701833] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:54:35,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:54:35,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:54:35,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54346258] [2022-07-21 14:54:35,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:54:35,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:54:35,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:54:35,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:54:35,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:54:35,392 INFO L87 Difference]: Start difference. First operand 11123 states and 16614 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-21 14:54:37,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:54:37,044 INFO L93 Difference]: Finished difference Result 30823 states and 46051 transitions. [2022-07-21 14:54:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:54:37,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 586 [2022-07-21 14:54:37,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:54:37,166 INFO L225 Difference]: With dead ends: 30823 [2022-07-21 14:54:37,167 INFO L226 Difference]: Without dead ends: 19805 [2022-07-21 14:54:37,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 584 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:54:37,222 INFO L413 NwaCegarLoop]: 4217 mSDtfsCounter, 3347 mSDsluCounter, 3557 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3347 SdHoareTripleChecker+Valid, 7774 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:54:37,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 7774 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 14:54:37,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19805 states. [2022-07-21 14:54:37,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19805 to 19781. [2022-07-21 14:54:37,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19781 states, 15108 states have (on average 1.4259994704792163) internal successors, (21544), 15378 states have internal predecessors, (21544), 4001 states have call successors, (4001), 670 states have call predecessors, (4001), 669 states have return successors, (3997), 3817 states have call predecessors, (3997), 3997 states have call successors, (3997) [2022-07-21 14:54:37,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19781 states to 19781 states and 29542 transitions. [2022-07-21 14:54:37,885 INFO L78 Accepts]: Start accepts. Automaton has 19781 states and 29542 transitions. Word has length 586 [2022-07-21 14:54:37,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:54:37,886 INFO L495 AbstractCegarLoop]: Abstraction has 19781 states and 29542 transitions. [2022-07-21 14:54:37,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-21 14:54:37,886 INFO L276 IsEmpty]: Start isEmpty. Operand 19781 states and 29542 transitions. [2022-07-21 14:54:37,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2022-07-21 14:54:37,890 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:54:37,891 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:54:37,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 14:54:38,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:54:38,112 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:54:38,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:54:38,112 INFO L85 PathProgramCache]: Analyzing trace with hash -191571764, now seen corresponding path program 1 times [2022-07-21 14:54:38,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:54:38,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [323833450] [2022-07-21 14:54:38,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:54:38,118 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:54:38,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:54:38,126 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) [2022-07-21 14:54:38,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 14:54:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:45,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 5224 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:54:45,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:54:46,345 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-21 14:54:46,345 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:54:46,346 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:54:46,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [323833450] [2022-07-21 14:54:46,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [323833450] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:54:46,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:54:46,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:54:46,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901378747] [2022-07-21 14:54:46,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:54:46,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:54:46,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:54:46,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:54:46,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:54:46,347 INFO L87 Difference]: Start difference. First operand 19781 states and 29542 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-21 14:54:48,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:54:48,140 INFO L93 Difference]: Finished difference Result 56403 states and 84185 transitions. [2022-07-21 14:54:48,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:54:48,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 587 [2022-07-21 14:54:48,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:54:48,345 INFO L225 Difference]: With dead ends: 56403 [2022-07-21 14:54:48,345 INFO L226 Difference]: Without dead ends: 36727 [2022-07-21 14:54:48,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 585 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:54:48,427 INFO L413 NwaCegarLoop]: 4269 mSDtfsCounter, 3297 mSDsluCounter, 3558 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3297 SdHoareTripleChecker+Valid, 7827 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:54:48,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3297 Valid, 7827 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 14:54:48,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36727 states. [2022-07-21 14:54:49,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36727 to 36701. [2022-07-21 14:54:49,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36701 states, 28091 states have (on average 1.4258659357089458) internal successors, (40054), 28537 states have internal predecessors, (40054), 7338 states have call successors, (7338), 1270 states have call predecessors, (7338), 1269 states have return successors, (7334), 7045 states have call predecessors, (7334), 7334 states have call successors, (7334) [2022-07-21 14:54:50,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36701 states to 36701 states and 54726 transitions. [2022-07-21 14:54:50,025 INFO L78 Accepts]: Start accepts. Automaton has 36701 states and 54726 transitions. Word has length 587 [2022-07-21 14:54:50,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:54:50,028 INFO L495 AbstractCegarLoop]: Abstraction has 36701 states and 54726 transitions. [2022-07-21 14:54:50,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-21 14:54:50,028 INFO L276 IsEmpty]: Start isEmpty. Operand 36701 states and 54726 transitions. [2022-07-21 14:54:50,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2022-07-21 14:54:50,032 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:54:50,033 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:54:50,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 14:54:50,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:54:50,247 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:54:50,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:54:50,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1082078848, now seen corresponding path program 1 times [2022-07-21 14:54:50,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:54:50,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1253316216] [2022-07-21 14:54:50,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:54:50,254 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:54:50,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:54:50,268 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) [2022-07-21 14:54:50,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 14:54:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 5225 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:54:57,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:54:58,496 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-21 14:54:58,496 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:54:58,496 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:54:58,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1253316216] [2022-07-21 14:54:58,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1253316216] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:54:58,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:54:58,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:54:58,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608474757] [2022-07-21 14:54:58,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:54:58,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:54:58,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:54:58,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:54:58,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:54:58,498 INFO L87 Difference]: Start difference. First operand 36701 states and 54726 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-21 14:55:00,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:55:00,999 INFO L93 Difference]: Finished difference Result 106956 states and 159455 transitions. [2022-07-21 14:55:00,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:55:00,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 588 [2022-07-21 14:55:01,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:55:01,514 INFO L225 Difference]: With dead ends: 106956 [2022-07-21 14:55:01,514 INFO L226 Difference]: Without dead ends: 70360 [2022-07-21 14:55:01,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 586 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:55:01,629 INFO L413 NwaCegarLoop]: 4376 mSDtfsCounter, 3329 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3329 SdHoareTripleChecker+Valid, 7935 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:55:01,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3329 Valid, 7935 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 14:55:01,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70360 states. [2022-07-21 14:55:04,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70360 to 70332. [2022-07-21 14:55:04,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70332 states, 53907 states have (on average 1.4259372623221473) internal successors, (76868), 54683 states have internal predecessors, (76868), 13953 states have call successors, (13953), 2470 states have call predecessors, (13953), 2469 states have return successors, (13949), 13457 states have call predecessors, (13949), 13949 states have call successors, (13949) [2022-07-21 14:55:04,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70332 states to 70332 states and 104770 transitions. [2022-07-21 14:55:05,023 INFO L78 Accepts]: Start accepts. Automaton has 70332 states and 104770 transitions. Word has length 588 [2022-07-21 14:55:05,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:55:05,024 INFO L495 AbstractCegarLoop]: Abstraction has 70332 states and 104770 transitions. [2022-07-21 14:55:05,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-21 14:55:05,024 INFO L276 IsEmpty]: Start isEmpty. Operand 70332 states and 104770 transitions. [2022-07-21 14:55:05,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2022-07-21 14:55:05,028 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:55:05,028 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:55:05,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 14:55:05,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:55:05,237 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:55:05,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:55:05,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1503446378, now seen corresponding path program 1 times [2022-07-21 14:55:05,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:55:05,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806758934] [2022-07-21 14:55:05,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:55:05,242 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:55:05,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:55:05,243 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) [2022-07-21 14:55:05,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 14:55:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:13,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 5226 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:55:13,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:55:13,957 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-21 14:55:13,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:55:13,958 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:55:13,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806758934] [2022-07-21 14:55:13,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1806758934] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:55:13,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:55:13,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:55:13,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980256186] [2022-07-21 14:55:13,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:55:13,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:55:13,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:55:13,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:55:13,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:55:13,960 INFO L87 Difference]: Start difference. First operand 70332 states and 104770 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-21 14:55:17,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:55:17,986 INFO L93 Difference]: Finished difference Result 205666 states and 306415 transitions. [2022-07-21 14:55:17,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:55:17,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 589 [2022-07-21 14:55:17,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:55:18,990 INFO L225 Difference]: With dead ends: 205666 [2022-07-21 14:55:18,991 INFO L226 Difference]: Without dead ends: 135439 [2022-07-21 14:55:19,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 587 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:55:19,256 INFO L413 NwaCegarLoop]: 5217 mSDtfsCounter, 3347 mSDsluCounter, 3560 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3347 SdHoareTripleChecker+Valid, 8777 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:55:19,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 8777 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 14:55:19,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135439 states. [2022-07-21 14:55:22,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135439 to 135409. [2022-07-21 14:55:23,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135409 states, 103823 states have (on average 1.4262735617348756) internal successors, (148080), 105334 states have internal predecessors, (148080), 26764 states have call successors, (26764), 4820 states have call predecessors, (26764), 4819 states have return successors, (26760), 25805 states have call predecessors, (26760), 26760 states have call successors, (26760) [2022-07-21 14:55:24,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135409 states to 135409 states and 201604 transitions. [2022-07-21 14:55:24,030 INFO L78 Accepts]: Start accepts. Automaton has 135409 states and 201604 transitions. Word has length 589 [2022-07-21 14:55:24,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:55:24,032 INFO L495 AbstractCegarLoop]: Abstraction has 135409 states and 201604 transitions. [2022-07-21 14:55:24,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-21 14:55:24,032 INFO L276 IsEmpty]: Start isEmpty. Operand 135409 states and 201604 transitions. [2022-07-21 14:55:24,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2022-07-21 14:55:24,039 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:55:24,039 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:55:24,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-21 14:55:24,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:55:24,248 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:55:24,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:55:24,249 INFO L85 PathProgramCache]: Analyzing trace with hash -600842780, now seen corresponding path program 1 times [2022-07-21 14:55:24,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:55:24,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1635772683] [2022-07-21 14:55:24,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:55:24,254 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:55:24,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:55:24,256 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) [2022-07-21 14:55:24,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 14:55:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:31,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 5300 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:55:31,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:55:32,455 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-21 14:55:32,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:55:32,455 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:55:32,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1635772683] [2022-07-21 14:55:32,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1635772683] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:55:32,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:55:32,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:55:32,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906162425] [2022-07-21 14:55:32,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:55:32,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:55:32,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:55:32,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:55:32,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:55:32,457 INFO L87 Difference]: Start difference. First operand 135409 states and 201604 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-07-21 14:55:38,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:55:38,863 INFO L93 Difference]: Finished difference Result 384832 states and 573362 transitions. [2022-07-21 14:55:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:55:38,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 607 [2022-07-21 14:55:38,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:55:40,852 INFO L225 Difference]: With dead ends: 384832 [2022-07-21 14:55:40,853 INFO L226 Difference]: Without dead ends: 249528 [2022-07-21 14:55:41,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:55:41,449 INFO L413 NwaCegarLoop]: 5079 mSDtfsCounter, 3131 mSDsluCounter, 3556 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3131 SdHoareTripleChecker+Valid, 8635 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:55:41,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3131 Valid, 8635 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 14:55:41,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249528 states. [2022-07-21 14:55:48,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249528 to 249380. [2022-07-21 14:55:48,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249380 states, 192398 states have (on average 1.4280553851911142) internal successors, (274755), 195400 states have internal predecessors, (274755), 48149 states have call successors, (48149), 8831 states have call predecessors, (48149), 8830 states have return successors, (48145), 46102 states have call predecessors, (48145), 48145 states have call successors, (48145) [2022-07-21 14:55:50,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249380 states to 249380 states and 371049 transitions. [2022-07-21 14:55:50,312 INFO L78 Accepts]: Start accepts. Automaton has 249380 states and 371049 transitions. Word has length 607 [2022-07-21 14:55:50,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:55:50,313 INFO L495 AbstractCegarLoop]: Abstraction has 249380 states and 371049 transitions. [2022-07-21 14:55:50,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-07-21 14:55:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand 249380 states and 371049 transitions. [2022-07-21 14:55:50,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 635 [2022-07-21 14:55:50,319 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:55:50,320 INFO L195 NwaCegarLoop]: trace histogram [52, 52, 50, 50, 50, 50, 50, 50, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:55:50,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 14:55:50,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:55:50,524 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:55:50,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:55:50,525 INFO L85 PathProgramCache]: Analyzing trace with hash 109314572, now seen corresponding path program 1 times [2022-07-21 14:55:50,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:55:50,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166546589] [2022-07-21 14:55:50,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:55:50,530 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:55:50,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:55:50,532 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) [2022-07-21 14:55:50,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 14:55:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:58,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 5341 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:55:58,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:55:59,217 INFO L134 CoverageAnalysis]: Checked inductivity of 11339 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-21 14:55:59,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:55:59,218 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:55:59,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166546589] [2022-07-21 14:55:59,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [166546589] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:55:59,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:55:59,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:55:59,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346647140] [2022-07-21 14:55:59,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:55:59,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:55:59,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:55:59,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:55:59,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:55:59,219 INFO L87 Difference]: Start difference. First operand 249380 states and 371049 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55)