./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-net-wireless-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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-net-wireless-rndis_wlan.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 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 03:25:21,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:25:21,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:25:21,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:25:21,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:25:21,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:25:21,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:25:21,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:25:21,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:25:21,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:25:21,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:25:21,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:25:21,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:25:21,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:25:21,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:25:21,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:25:21,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:25:21,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:25:21,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:25:21,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:25:21,068 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:25:21,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:25:21,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:25:21,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:25:21,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:25:21,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:25:21,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:25:21,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:25:21,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:25:21,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:25:21,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:25:21,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:25:21,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:25:21,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:25:21,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:25:21,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:25:21,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:25:21,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:25:21,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:25:21,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:25:21,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:25:21,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:25:21,084 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:25:21,108 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:25:21,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:25:21,109 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:25:21,109 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:25:21,109 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:25:21,110 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:25:21,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:25:21,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:25:21,110 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:25:21,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:25:21,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:25:21,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:25:21,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:25:21,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:25:21,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:25:21,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:25:21,112 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:25:21,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:25:21,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:25:21,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:25:21,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:25:21,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:25:21,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:25:21,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:25:21,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:25:21,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:25:21,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:25:21,114 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:25:21,114 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:25:21,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:25:21,115 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 [2022-07-20 03:25:21,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:25:21,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:25:21,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:25:21,375 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:25:21,375 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:25:21,376 INFO L432 ainManager$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-net-wireless-rndis_wlan.cil.i [2022-07-20 03:25:21,448 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9233cbc76/3d87f3ddf89d4f9d9ae075d4b5e69ffa/FLAGd852cbeed [2022-07-20 03:25:22,038 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:25:22,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2022-07-20 03:25:22,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9233cbc76/3d87f3ddf89d4f9d9ae075d4b5e69ffa/FLAGd852cbeed [2022-07-20 03:25:22,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9233cbc76/3d87f3ddf89d4f9d9ae075d4b5e69ffa [2022-07-20 03:25:22,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:25:22,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:25:22,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:25:22,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:25:22,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:25:22,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:25:22" (1/1) ... [2022-07-20 03:25:22,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a1c8a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:25:22, skipping insertion in model container [2022-07-20 03:25:22,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:25:22" (1/1) ... [2022-07-20 03:25:22,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:25:22,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:25:24,285 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-net-wireless-rndis_wlan.cil.i[470736,470749] [2022-07-20 03:25:24,287 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-net-wireless-rndis_wlan.cil.i[470902,470915] [2022-07-20 03:25:24,288 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-net-wireless-rndis_wlan.cil.i[471066,471079] [2022-07-20 03:25:24,289 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-net-wireless-rndis_wlan.cil.i[471231,471244] [2022-07-20 03:25:24,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:25:24,350 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:25:24,547 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) 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) [2022-07-20 03:25:24,556 INFO L158 Benchmark]: Toolchain (without parser) took 2391.89ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 65.1MB in the beginning and 62.9MB in the end (delta: 2.2MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2022-07-20 03:25:24,556 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 03:25:24,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2388.47ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 64.8MB in the beginning and 62.9MB in the end (delta: 2.0MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2022-07-20 03:25:24,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2388.47ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 64.8MB in the beginning and 62.9MB in the end (delta: 2.0MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) 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-net-wireless-rndis_wlan.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 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 03:25:26,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:25:26,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:25:26,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:25:26,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:25:26,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:25:26,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:25:26,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:25:26,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:25:26,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:25:26,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:25:26,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:25:26,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:25:26,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:25:26,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:25:26,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:25:26,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:25:26,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:25:26,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:25:26,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:25:26,270 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:25:26,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:25:26,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:25:26,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:25:26,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:25:26,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:25:26,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:25:26,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:25:26,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:25:26,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:25:26,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:25:26,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:25:26,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:25:26,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:25:26,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:25:26,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:25:26,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:25:26,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:25:26,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:25:26,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:25:26,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:25:26,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:25:26,291 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 03:25:26,317 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:25:26,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:25:26,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:25:26,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:25:26,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:25:26,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:25:26,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:25:26,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:25:26,320 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:25:26,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:25:26,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:25:26,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:25:26,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:25:26,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:25:26,321 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 03:25:26,321 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 03:25:26,321 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 03:25:26,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:25:26,322 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:25:26,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:25:26,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:25:26,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:25:26,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:25:26,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:25:26,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:25:26,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:25:26,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:25:26,323 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 03:25:26,323 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 03:25:26,323 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:25:26,324 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:25:26,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:25:26,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 03:25:26,324 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 [2022-07-20 03:25:26,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:25:26,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:25:26,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:25:26,607 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:25:26,608 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:25:26,608 INFO L432 ainManager$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-net-wireless-rndis_wlan.cil.i [2022-07-20 03:25:26,652 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7964d9c7e/c956245e64d94cb098bdd655ff7a7b70/FLAG729f87393 [2022-07-20 03:25:27,318 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:25:27,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2022-07-20 03:25:27,360 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7964d9c7e/c956245e64d94cb098bdd655ff7a7b70/FLAG729f87393 [2022-07-20 03:25:27,393 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7964d9c7e/c956245e64d94cb098bdd655ff7a7b70 [2022-07-20 03:25:27,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:25:27,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:25:27,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:25:27,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:25:27,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:25:27,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:25:27" (1/1) ... [2022-07-20 03:25:27,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a9fbfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:25:27, skipping insertion in model container [2022-07-20 03:25:27,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:25:27" (1/1) ... [2022-07-20 03:25:27,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:25:27,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:25:30,217 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-net-wireless-rndis_wlan.cil.i[470736,470749] [2022-07-20 03:25:30,220 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-net-wireless-rndis_wlan.cil.i[470902,470915] [2022-07-20 03:25:30,220 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-net-wireless-rndis_wlan.cil.i[471066,471079] [2022-07-20 03:25:30,220 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-net-wireless-rndis_wlan.cil.i[471231,471244] [2022-07-20 03:25:30,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:25:30,285 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 03:25:30,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:25:30,584 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-net-wireless-rndis_wlan.cil.i[470736,470749] [2022-07-20 03:25:30,585 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-net-wireless-rndis_wlan.cil.i[470902,470915] [2022-07-20 03:25:30,585 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-net-wireless-rndis_wlan.cil.i[471066,471079] [2022-07-20 03:25:30,585 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-net-wireless-rndis_wlan.cil.i[471231,471244] [2022-07-20 03:25:30,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:25:30,634 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:25:30,959 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-net-wireless-rndis_wlan.cil.i[470736,470749] [2022-07-20 03:25:30,959 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-net-wireless-rndis_wlan.cil.i[470902,470915] [2022-07-20 03:25:30,960 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-net-wireless-rndis_wlan.cil.i[471066,471079] [2022-07-20 03:25:30,964 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-net-wireless-rndis_wlan.cil.i[471231,471244] [2022-07-20 03:25:30,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:25:31,164 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:25:31,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:25:31 WrapperNode [2022-07-20 03:25:31,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:25:31,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:25:31,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:25:31,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:25:31,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:25:31" (1/1) ... [2022-07-20 03:25:31,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:25:31" (1/1) ... [2022-07-20 03:25:31,492 INFO L137 Inliner]: procedures = 425, calls = 4510, calls flagged for inlining = 226, calls inlined = 200, statements flattened = 9006 [2022-07-20 03:25:31,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:25:31,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:25:31,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:25:31,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:25:31,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:25:31" (1/1) ... [2022-07-20 03:25:31,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:25:31" (1/1) ... [2022-07-20 03:25:31,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:25:31" (1/1) ... [2022-07-20 03:25:31,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:25:31" (1/1) ... [2022-07-20 03:25:31,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:25:31" (1/1) ... [2022-07-20 03:25:31,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:25:31" (1/1) ... [2022-07-20 03:25:31,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:25:31" (1/1) ... [2022-07-20 03:25:31,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:25:31,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:25:31,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:25:31,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:25:31,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:25:31" (1/1) ... [2022-07-20 03:25:31,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:25:31,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:25:31,798 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) [2022-07-20 03:25:31,804 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 [2022-07-20 03:25:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-20 03:25:31,826 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-20 03:25:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-20 03:25:31,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-20 03:25:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-20 03:25:31,826 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-20 03:25:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-20 03:25:31,827 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-20 03:25:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:25:31,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:25:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-20 03:25:31,827 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-20 03:25:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-20 03:25:31,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-20 03:25:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:25:31,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:25:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-20 03:25:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-20 03:25:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-20 03:25:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-20 03:25:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-20 03:25:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-20 03:25:31,829 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-20 03:25:31,829 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-20 03:25:31,829 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-20 03:25:31,829 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-20 03:25:31,829 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-20 03:25:31,829 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-20 03:25:31,829 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-20 03:25:31,830 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-20 03:25:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:25:31,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:25:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-20 03:25:31,830 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-20 03:25:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 03:25:31,831 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 03:25:31,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:25:31,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:25:31,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-20 03:25:31,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-20 03:25:31,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:25:31,832 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-20 03:25:31,832 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-20 03:25:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-20 03:25:31,833 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-20 03:25:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 03:25:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 03:25:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 03:25:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 03:25:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-20 03:25:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-20 03:25:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-20 03:25:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-20 03:25:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 03:25:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 03:25:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-20 03:25:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-20 03:25:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-20 03:25:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-20 03:25:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-20 03:25:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-20 03:25:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-20 03:25:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-20 03:25:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-20 03:25:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-20 03:25:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-07-20 03:25:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-07-20 03:25:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:25:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:25:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-20 03:25:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-20 03:25:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-20 03:25:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-20 03:25:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-20 03:25:31,837 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-20 03:25:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:25:31,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:25:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 03:25:31,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 03:25:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-20 03:25:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-20 03:25:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2022-07-20 03:25:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2022-07-20 03:25:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-20 03:25:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-20 03:25:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-20 03:25:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-20 03:25:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:25:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-20 03:25:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-20 03:25:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-20 03:25:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-20 03:25:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 03:25:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 03:25:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-20 03:25:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-20 03:25:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 03:25:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 03:25:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:25:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-20 03:25:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-20 03:25:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:25:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:25:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-20 03:25:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-20 03:25:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:25:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 03:25:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 03:25:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-20 03:25:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-20 03:25:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 03:25:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-20 03:25:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-20 03:25:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-07-20 03:25:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-07-20 03:25:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-20 03:25:31,851 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-20 03:25:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 03:25:31,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 03:25:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-20 03:25:31,851 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-20 03:25:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-20 03:25:31,851 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-20 03:25:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 03:25:31,852 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 03:25:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 03:25:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:25:31,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:25:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 03:25:31,852 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 03:25:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-20 03:25:31,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-20 03:25:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 03:25:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 03:25:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 03:25:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:25:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 03:25:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:25:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:25:31,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:25:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-20 03:25:31,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-20 03:25:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-20 03:25:31,853 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-20 03:25:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-20 03:25:31,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-20 03:25:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 03:25:31,854 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 03:25:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-20 03:25:31,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-20 03:25:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-20 03:25:31,854 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-20 03:25:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-20 03:25:31,854 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-20 03:25:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-07-20 03:25:31,855 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-07-20 03:25:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-20 03:25:31,855 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-20 03:25:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-20 03:25:31,855 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-20 03:25:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 03:25:31,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 03:25:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-20 03:25:31,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-20 03:25:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-20 03:25:31,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-20 03:25:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:25:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 03:25:31,856 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 03:25:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-20 03:25:31,856 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-20 03:25:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:25:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-20 03:25:31,856 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-20 03:25:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-20 03:25:31,857 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-20 03:25:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-20 03:25:31,857 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-20 03:25:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 03:25:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 03:25:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 03:25:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-20 03:25:31,857 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-20 03:25:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 03:25:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:25:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-20 03:25:31,858 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-20 03:25:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 03:25:31,858 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 03:25:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-20 03:25:31,858 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-20 03:25:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 03:25:31,858 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 03:25:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-20 03:25:31,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-20 03:25:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:25:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:25:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 03:25:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 03:25:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-20 03:25:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-20 03:25:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-20 03:25:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-20 03:25:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 03:25:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 03:25:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-20 03:25:31,860 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-20 03:25:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-20 03:25:31,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-20 03:25:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-20 03:25:31,860 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-20 03:25:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 03:25:31,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 03:25:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-20 03:25:31,860 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-20 03:25:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 03:25:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 03:25:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-20 03:25:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-20 03:25:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-20 03:25:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-20 03:25:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-20 03:25:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-20 03:25:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-20 03:25:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-20 03:25:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-20 03:25:31,862 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-20 03:25:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 03:25:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 03:25:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 03:25:31,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 03:25:31,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:25:31,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:25:31,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2022-07-20 03:25:31,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2022-07-20 03:25:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-20 03:25:31,866 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-20 03:25:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-20 03:25:31,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-20 03:25:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-20 03:25:31,867 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-20 03:25:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-20 03:25:31,867 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-20 03:25:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:25:31,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:25:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-20 03:25:31,867 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-20 03:25:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-20 03:25:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-20 03:25:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-20 03:25:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-20 03:25:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-20 03:25:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-20 03:25:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-20 03:25:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-20 03:25:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-20 03:25:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-20 03:25:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-20 03:25:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-20 03:25:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-20 03:25:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-20 03:25:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-20 03:25:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:25:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:25:32,875 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:25:32,878 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:25:40,488 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:27:45,687 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 03:27:53,375 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:27:53,393 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:27:53,393 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 03:27:53,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:27:53 BoogieIcfgContainer [2022-07-20 03:27:53,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:27:53,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:27:53,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:27:53,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:27:53,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:25:27" (1/3) ... [2022-07-20 03:27:53,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42425baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:27:53, skipping insertion in model container [2022-07-20 03:27:53,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:25:31" (2/3) ... [2022-07-20 03:27:53,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42425baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:27:53, skipping insertion in model container [2022-07-20 03:27:53,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:27:53" (3/3) ... [2022-07-20 03:27:53,406 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2022-07-20 03:27:53,415 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:27:53,415 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-20 03:27:53,549 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:27:53,557 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@97211e4, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3b6065ab [2022-07-20 03:27:53,558 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-20 03:27:53,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 2653 states, 1855 states have (on average 1.3067385444743935) internal successors, (2424), 1859 states have internal predecessors, (2424), 680 states have call successors, (680), 116 states have call predecessors, (680), 115 states have return successors, (672), 672 states have call predecessors, (672), 672 states have call successors, (672) [2022-07-20 03:27:53,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-07-20 03:27:53,600 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:27:53,601 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:27:53,602 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)] === [2022-07-20 03:27:53,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:27:53,606 INFO L85 PathProgramCache]: Analyzing trace with hash 972719217, now seen corresponding path program 1 times [2022-07-20 03:27:53,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:27:53,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [90931678] [2022-07-20 03:27:53,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:27:53,622 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:27:53,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:27:53,624 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) [2022-07-20 03:27:53,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 03:27:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:27:57,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 4040 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:27:57,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:27:58,440 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-20 03:27:58,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:27:58,441 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:27:58,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [90931678] [2022-07-20 03:27:58,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [90931678] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:27:58,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:27:58,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:27:58,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174850630] [2022-07-20 03:27:58,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:27:58,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:27:58,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:27:58,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:27:58,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:27:58,470 INFO L87 Difference]: Start difference. First operand has 2653 states, 1855 states have (on average 1.3067385444743935) internal successors, (2424), 1859 states have internal predecessors, (2424), 680 states have call successors, (680), 116 states have call predecessors, (680), 115 states have return successors, (672), 672 states have call predecessors, (672), 672 states have call successors, (672) Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-20 03:28:00,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:28:00,242 INFO L93 Difference]: Finished difference Result 7684 states and 11267 transitions. [2022-07-20 03:28:00,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:28:00,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 430 [2022-07-20 03:28:00,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:28:00,283 INFO L225 Difference]: With dead ends: 7684 [2022-07-20 03:28:00,283 INFO L226 Difference]: Without dead ends: 5096 [2022-07-20 03:28:00,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:28:00,307 INFO L413 NwaCegarLoop]: 4377 mSDtfsCounter, 3522 mSDsluCounter, 3692 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3522 SdHoareTripleChecker+Valid, 8069 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-20 03:28:00,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3522 Valid, 8069 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-20 03:28:00,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5096 states. [2022-07-20 03:28:00,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5096 to 5092. [2022-07-20 03:28:00,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5092 states, 3585 states have (on average 1.306555090655509) internal successors, (4684), 3592 states have internal predecessors, (4684), 1278 states have call successors, (1278), 227 states have call predecessors, (1278), 226 states have return successors, (1274), 1274 states have call predecessors, (1274), 1274 states have call successors, (1274) [2022-07-20 03:28:00,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5092 states to 5092 states and 7236 transitions. [2022-07-20 03:28:00,625 INFO L78 Accepts]: Start accepts. Automaton has 5092 states and 7236 transitions. Word has length 430 [2022-07-20 03:28:00,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:28:00,628 INFO L495 AbstractCegarLoop]: Abstraction has 5092 states and 7236 transitions. [2022-07-20 03:28:00,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-20 03:28:00,628 INFO L276 IsEmpty]: Start isEmpty. Operand 5092 states and 7236 transitions. [2022-07-20 03:28:00,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2022-07-20 03:28:00,638 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:28:00,639 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:28:00,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 03:28:00,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:28:00,860 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)] === [2022-07-20 03:28:00,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:28:00,861 INFO L85 PathProgramCache]: Analyzing trace with hash 917712089, now seen corresponding path program 1 times [2022-07-20 03:28:00,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:28:00,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1349003807] [2022-07-20 03:28:00,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:28:00,864 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:28:00,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:28:00,866 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) [2022-07-20 03:28:00,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 03:28:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:04,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 4281 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:28:04,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:28:05,269 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-20 03:28:05,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:28:05,269 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:28:05,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1349003807] [2022-07-20 03:28:05,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1349003807] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:28:05,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:28:05,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:28:05,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548034346] [2022-07-20 03:28:05,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:28:05,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:28:05,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:28:05,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:28:05,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:28:05,272 INFO L87 Difference]: Start difference. First operand 5092 states and 7236 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-20 03:28:07,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:28:07,396 INFO L93 Difference]: Finished difference Result 12524 states and 17775 transitions. [2022-07-20 03:28:07,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:28:07,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 451 [2022-07-20 03:28:07,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:28:07,440 INFO L225 Difference]: With dead ends: 12524 [2022-07-20 03:28:07,440 INFO L226 Difference]: Without dead ends: 7509 [2022-07-20 03:28:07,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:28:07,463 INFO L413 NwaCegarLoop]: 4357 mSDtfsCounter, 3495 mSDsluCounter, 3684 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3495 SdHoareTripleChecker+Valid, 8041 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-20 03:28:07,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3495 Valid, 8041 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-20 03:28:07,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7509 states. [2022-07-20 03:28:07,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7509 to 7490. [2022-07-20 03:28:07,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7490 states, 5289 states have (on average 1.3055397995840423) internal successors, (6905), 5302 states have internal predecessors, (6905), 1856 states have call successors, (1856), 343 states have call predecessors, (1856), 342 states have return successors, (1852), 1847 states have call predecessors, (1852), 1852 states have call successors, (1852) [2022-07-20 03:28:07,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7490 states to 7490 states and 10613 transitions. [2022-07-20 03:28:07,845 INFO L78 Accepts]: Start accepts. Automaton has 7490 states and 10613 transitions. Word has length 451 [2022-07-20 03:28:07,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:28:07,847 INFO L495 AbstractCegarLoop]: Abstraction has 7490 states and 10613 transitions. [2022-07-20 03:28:07,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-20 03:28:07,848 INFO L276 IsEmpty]: Start isEmpty. Operand 7490 states and 10613 transitions. [2022-07-20 03:28:07,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-20 03:28:07,855 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:28:07,855 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:28:07,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 03:28:08,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:28:08,073 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)] === [2022-07-20 03:28:08,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:28:08,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1058463004, now seen corresponding path program 1 times [2022-07-20 03:28:08,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:28:08,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624406730] [2022-07-20 03:28:08,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:28:08,083 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:28:08,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:28:08,084 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) [2022-07-20 03:28:08,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 03:28:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:11,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 4283 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:28:11,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:28:12,791 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-20 03:28:12,792 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:28:12,792 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:28:12,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1624406730] [2022-07-20 03:28:12,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1624406730] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:28:12,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:28:12,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:28:12,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679244690] [2022-07-20 03:28:12,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:28:12,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:28:12,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:28:12,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:28:12,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:28:12,794 INFO L87 Difference]: Start difference. First operand 7490 states and 10613 transitions. 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, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-20 03:28:14,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:28:14,801 INFO L93 Difference]: Finished difference Result 19722 states and 27920 transitions. [2022-07-20 03:28:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:28:14,802 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, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 453 [2022-07-20 03:28:14,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:28:14,873 INFO L225 Difference]: With dead ends: 19722 [2022-07-20 03:28:14,874 INFO L226 Difference]: Without dead ends: 12309 [2022-07-20 03:28:14,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 451 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:28:14,906 INFO L413 NwaCegarLoop]: 4428 mSDtfsCounter, 3495 mSDsluCounter, 3686 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3495 SdHoareTripleChecker+Valid, 8114 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-20 03:28:14,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3495 Valid, 8114 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-20 03:28:14,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12309 states. [2022-07-20 03:28:15,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12309 to 12286. [2022-07-20 03:28:15,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12286 states, 8697 states have (on average 1.3047027710704842) internal successors, (11347), 8722 states have internal predecessors, (11347), 3012 states have call successors, (3012), 575 states have call predecessors, (3012), 574 states have return successors, (3008), 2993 states have call predecessors, (3008), 3008 states have call successors, (3008) [2022-07-20 03:28:15,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12286 states to 12286 states and 17367 transitions. [2022-07-20 03:28:15,364 INFO L78 Accepts]: Start accepts. Automaton has 12286 states and 17367 transitions. Word has length 453 [2022-07-20 03:28:15,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:28:15,365 INFO L495 AbstractCegarLoop]: Abstraction has 12286 states and 17367 transitions. [2022-07-20 03:28:15,365 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, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-20 03:28:15,365 INFO L276 IsEmpty]: Start isEmpty. Operand 12286 states and 17367 transitions. [2022-07-20 03:28:15,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2022-07-20 03:28:15,372 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:28:15,372 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:28:15,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 03:28:15,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:28:15,593 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)] === [2022-07-20 03:28:15,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:28:15,594 INFO L85 PathProgramCache]: Analyzing trace with hash -181016849, now seen corresponding path program 1 times [2022-07-20 03:28:15,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:28:15,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [934618329] [2022-07-20 03:28:15,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:28:15,598 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:28:15,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:28:15,605 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) [2022-07-20 03:28:15,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 03:28:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:19,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 4282 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:28:19,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:28:20,005 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-20 03:28:20,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:28:20,005 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:28:20,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [934618329] [2022-07-20 03:28:20,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [934618329] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:28:20,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:28:20,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:28:20,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037925041] [2022-07-20 03:28:20,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:28:20,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:28:20,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:28:20,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:28:20,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:28:20,007 INFO L87 Difference]: Start difference. First operand 12286 states and 17367 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-20 03:28:22,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:28:22,221 INFO L93 Difference]: Finished difference Result 33550 states and 47428 transitions. [2022-07-20 03:28:22,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:28:22,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 452 [2022-07-20 03:28:22,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:28:22,325 INFO L225 Difference]: With dead ends: 33550 [2022-07-20 03:28:22,326 INFO L226 Difference]: Without dead ends: 21341 [2022-07-20 03:28:22,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:28:22,386 INFO L413 NwaCegarLoop]: 4793 mSDtfsCounter, 3495 mSDsluCounter, 3685 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3495 SdHoareTripleChecker+Valid, 8478 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:28:22,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3495 Valid, 8478 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-20 03:28:22,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21341 states. [2022-07-20 03:28:23,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21341 to 21320. [2022-07-20 03:28:23,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21320 states, 15117 states have (on average 1.304690084011378) internal successors, (19723), 15166 states have internal predecessors, (19723), 5192 states have call successors, (5192), 1009 states have call predecessors, (5192), 1008 states have return successors, (5188), 5153 states have call predecessors, (5188), 5188 states have call successors, (5188) [2022-07-20 03:28:23,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21320 states to 21320 states and 30103 transitions. [2022-07-20 03:28:23,115 INFO L78 Accepts]: Start accepts. Automaton has 21320 states and 30103 transitions. Word has length 452 [2022-07-20 03:28:23,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:28:23,116 INFO L495 AbstractCegarLoop]: Abstraction has 21320 states and 30103 transitions. [2022-07-20 03:28:23,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-20 03:28:23,116 INFO L276 IsEmpty]: Start isEmpty. Operand 21320 states and 30103 transitions. [2022-07-20 03:28:23,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-07-20 03:28:23,124 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:28:23,124 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:28:23,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-20 03:28:23,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:28:23,352 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)] === [2022-07-20 03:28:23,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:28:23,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1137359935, now seen corresponding path program 1 times [2022-07-20 03:28:23,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:28:23,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1539173963] [2022-07-20 03:28:23,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:28:23,357 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:28:23,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:28:23,372 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) [2022-07-20 03:28:23,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 03:28:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:27,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 4204 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:28:27,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:28:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-20 03:28:28,247 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:28:28,248 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:28:28,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1539173963] [2022-07-20 03:28:28,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1539173963] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:28:28,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:28:28,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:28:28,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933282980] [2022-07-20 03:28:28,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:28:28,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:28:28,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:28:28,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:28:28,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:28:28,249 INFO L87 Difference]: Start difference. First operand 21320 states and 30103 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, (45), 3 states have call predecessors, (45), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-20 03:28:30,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:28:30,479 INFO L93 Difference]: Finished difference Result 62172 states and 87826 transitions. [2022-07-20 03:28:30,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:28:30,480 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, (45), 3 states have call predecessors, (45), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 457 [2022-07-20 03:28:30,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:28:30,627 INFO L225 Difference]: With dead ends: 62172 [2022-07-20 03:28:30,628 INFO L226 Difference]: Without dead ends: 40929 [2022-07-20 03:28:30,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:28:30,683 INFO L413 NwaCegarLoop]: 4620 mSDtfsCounter, 3443 mSDsluCounter, 3702 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3443 SdHoareTripleChecker+Valid, 8322 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-20 03:28:30,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3443 Valid, 8322 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-20 03:28:30,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40929 states. [2022-07-20 03:28:32,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40929 to 40894. [2022-07-20 03:28:32,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40894 states, 29052 states have (on average 1.3046261875258158) internal successors, (37902), 29166 states have internal predecessors, (37902), 9902 states have call successors, (9902), 1938 states have call predecessors, (9902), 1937 states have return successors, (9898), 9807 states have call predecessors, (9898), 9898 states have call successors, (9898) [2022-07-20 03:28:32,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40894 states to 40894 states and 57702 transitions. [2022-07-20 03:28:32,420 INFO L78 Accepts]: Start accepts. Automaton has 40894 states and 57702 transitions. Word has length 457 [2022-07-20 03:28:32,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:28:32,421 INFO L495 AbstractCegarLoop]: Abstraction has 40894 states and 57702 transitions. [2022-07-20 03:28:32,421 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, (45), 3 states have call predecessors, (45), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-20 03:28:32,421 INFO L276 IsEmpty]: Start isEmpty. Operand 40894 states and 57702 transitions. [2022-07-20 03:28:32,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-20 03:28:32,434 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:28:32,435 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 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] [2022-07-20 03:28:32,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 03:28:32,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:28:32,652 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)] === [2022-07-20 03:28:32,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:28:32,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1230218159, now seen corresponding path program 1 times [2022-07-20 03:28:32,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:28:32,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [742468973] [2022-07-20 03:28:32,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:28:32,657 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:28:32,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:28:32,672 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) [2022-07-20 03:28:32,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 03:28:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:36,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 4336 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:28:36,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:28:37,345 INFO L134 CoverageAnalysis]: Checked inductivity of 5784 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5676 trivial. 0 not checked. [2022-07-20 03:28:37,345 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:28:37,345 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:28:37,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [742468973] [2022-07-20 03:28:37,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [742468973] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:28:37,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:28:37,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:28:37,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313074681] [2022-07-20 03:28:37,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:28:37,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:28:37,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:28:37,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:28:37,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:28:37,347 INFO L87 Difference]: Start difference. First operand 40894 states and 57702 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-20 03:28:41,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:28:41,174 INFO L93 Difference]: Finished difference Result 98834 states and 138403 transitions. [2022-07-20 03:28:41,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:28:41,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 472 [2022-07-20 03:28:41,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:28:41,458 INFO L225 Difference]: With dead ends: 98834 [2022-07-20 03:28:41,458 INFO L226 Difference]: Without dead ends: 58017 [2022-07-20 03:28:41,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:28:41,740 INFO L413 NwaCegarLoop]: 4277 mSDtfsCounter, 2046 mSDsluCounter, 3651 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2046 SdHoareTripleChecker+Valid, 7928 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-20 03:28:41,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2046 Valid, 7928 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-20 03:28:41,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58017 states. [2022-07-20 03:28:43,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58017 to 57968. [2022-07-20 03:28:43,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57968 states, 41470 states have (on average 1.2961417892452376) internal successors, (53751), 41706 states have internal predecessors, (53751), 13428 states have call successors, (13428), 3068 states have call predecessors, (13428), 3067 states have return successors, (13424), 13209 states have call predecessors, (13424), 13424 states have call successors, (13424) [2022-07-20 03:28:43,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57968 states to 57968 states and 80603 transitions. [2022-07-20 03:28:43,865 INFO L78 Accepts]: Start accepts. Automaton has 57968 states and 80603 transitions. Word has length 472 [2022-07-20 03:28:43,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:28:43,865 INFO L495 AbstractCegarLoop]: Abstraction has 57968 states and 80603 transitions. [2022-07-20 03:28:43,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-20 03:28:43,866 INFO L276 IsEmpty]: Start isEmpty. Operand 57968 states and 80603 transitions. [2022-07-20 03:28:43,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-07-20 03:28:43,870 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:28:43,871 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 36, 36, 36, 36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:28:43,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 03:28:44,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:28:44,085 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)] === [2022-07-20 03:28:44,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:28:44,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1257194897, now seen corresponding path program 1 times [2022-07-20 03:28:44,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:28:44,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2099383280] [2022-07-20 03:28:44,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:28:44,090 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:28:44,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:28:44,092 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) [2022-07-20 03:28:44,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 03:28:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:47,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 4245 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:28:47,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:28:48,237 INFO L134 CoverageAnalysis]: Checked inductivity of 5903 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-20 03:28:48,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:28:48,237 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:28:48,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2099383280] [2022-07-20 03:28:48,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2099383280] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:28:48,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:28:48,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:28:48,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528513972] [2022-07-20 03:28:48,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:28:48,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:28:48,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:28:48,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:28:48,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:28:48,240 INFO L87 Difference]: Start difference. First operand 57968 states and 80603 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-20 03:28:51,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:28:51,020 INFO L93 Difference]: Finished difference Result 171407 states and 238620 transitions. [2022-07-20 03:28:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:28:51,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 484 [2022-07-20 03:28:51,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:28:51,577 INFO L225 Difference]: With dead ends: 171407 [2022-07-20 03:28:51,578 INFO L226 Difference]: Without dead ends: 113516 [2022-07-20 03:28:51,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:28:51,732 INFO L413 NwaCegarLoop]: 7073 mSDtfsCounter, 3598 mSDsluCounter, 3721 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3598 SdHoareTripleChecker+Valid, 10794 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 03:28:51,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3598 Valid, 10794 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 03:28:51,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113516 states. [2022-07-20 03:28:54,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113516 to 113437. [2022-07-20 03:28:54,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113437 states, 81049 states have (on average 1.2971905884094808) internal successors, (105136), 81515 states have internal predecessors, (105136), 26410 states have call successors, (26410), 6008 states have call predecessors, (26410), 5975 states have return successors, (26406), 25945 states have call predecessors, (26406), 26406 states have call successors, (26406) [2022-07-20 03:28:55,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113437 states to 113437 states and 157952 transitions. [2022-07-20 03:28:55,525 INFO L78 Accepts]: Start accepts. Automaton has 113437 states and 157952 transitions. Word has length 484 [2022-07-20 03:28:55,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:28:55,526 INFO L495 AbstractCegarLoop]: Abstraction has 113437 states and 157952 transitions. [2022-07-20 03:28:55,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-20 03:28:55,527 INFO L276 IsEmpty]: Start isEmpty. Operand 113437 states and 157952 transitions. [2022-07-20 03:28:55,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-07-20 03:28:55,531 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:28:55,531 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 03:28:55,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 03:28:55,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:28:55,748 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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)] === [2022-07-20 03:28:55,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:28:55,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1848482839, now seen corresponding path program 1 times [2022-07-20 03:28:55,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:28:55,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [484903190] [2022-07-20 03:28:55,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:28:55,752 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:28:55,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:28:55,753 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) [2022-07-20 03:28:55,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 03:28:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:59,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 4172 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:28:59,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:29:00,190 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 6015 trivial. 0 not checked. [2022-07-20 03:29:00,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:29:00,190 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:29:00,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [484903190] [2022-07-20 03:29:00,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [484903190] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:29:00,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:29:00,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:29:00,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917114838] [2022-07-20 03:29:00,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:29:00,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:29:00,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:29:00,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:29:00,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:29:00,192 INFO L87 Difference]: Start difference. First operand 113437 states and 157952 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-20 03:29:06,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:29:06,884 INFO L93 Difference]: Finished difference Result 334738 states and 466499 transitions. [2022-07-20 03:29:06,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:29:06,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 493 [2022-07-20 03:29:06,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:29:08,025 INFO L225 Difference]: With dead ends: 334738 [2022-07-20 03:29:08,025 INFO L226 Difference]: Without dead ends: 221593 [2022-07-20 03:29:08,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 491 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:29:08,646 INFO L413 NwaCegarLoop]: 7219 mSDtfsCounter, 3481 mSDsluCounter, 3698 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3481 SdHoareTripleChecker+Valid, 10917 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:29:08,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3481 Valid, 10917 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-20 03:29:08,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221593 states. [2022-07-20 03:29:15,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221593 to 221589. [2022-07-20 03:29:16,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221589 states, 158645 states have (on average 1.2969838318257745) internal successors, (205760), 159175 states have internal predecessors, (205760), 51226 states have call successors, (51226), 11748 states have call predecessors, (51226), 11715 states have return successors, (51222), 50729 states have call predecessors, (51222), 51222 states have call successors, (51222) [2022-07-20 03:29:17,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221589 states to 221589 states and 308208 transitions. [2022-07-20 03:29:17,796 INFO L78 Accepts]: Start accepts. Automaton has 221589 states and 308208 transitions. Word has length 493 [2022-07-20 03:29:17,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:29:17,798 INFO L495 AbstractCegarLoop]: Abstraction has 221589 states and 308208 transitions. [2022-07-20 03:29:17,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-20 03:29:17,798 INFO L276 IsEmpty]: Start isEmpty. Operand 221589 states and 308208 transitions. [2022-07-20 03:29:17,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-07-20 03:29:17,803 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:29:17,804 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 03:29:17,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-20 03:29:18,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:29:18,024 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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)] === [2022-07-20 03:29:18,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:29:18,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1146882965, now seen corresponding path program 1 times [2022-07-20 03:29:18,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:29:18,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [927357407] [2022-07-20 03:29:18,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:29:18,028 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:29:18,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:29:18,029 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) [2022-07-20 03:29:18,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-20 03:29:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:21,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 4172 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 03:29:21,394 INFO L286 TraceCheckSpWp]: Computing forward predicates...