./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.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 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:47:27,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:47:27,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:47:27,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:47:27,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:47:27,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:47:27,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:47:27,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:47:27,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:47:27,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:47:27,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:47:27,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:47:27,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:47:27,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:47:27,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:47:27,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:47:27,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:47:27,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:47:27,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:47:27,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:47:27,994 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:47:28,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:47:28,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:47:28,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:47:28,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:47:28,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:47:28,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:47:28,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:47:28,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:47:28,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:47:28,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:47:28,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:47:28,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:47:28,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:47:28,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:47:28,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:47:28,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:47:28,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:47:28,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:47:28,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:47:28,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:47:28,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:47:28,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 02:47:28,045 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:47:28,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:47:28,046 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:47:28,046 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:47:28,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:47:28,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:47:28,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:47:28,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:47:28,048 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:47:28,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:47:28,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 02:47:28,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:47:28,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:47:28,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:47:28,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:47:28,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:47:28,050 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:47:28,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:47:28,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:47:28,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:47:28,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:47:28,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:47:28,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:47:28,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:47:28,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:47:28,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 02:47:28,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 02:47:28,052 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:47:28,052 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:47:28,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:47:28,053 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 [2022-07-14 02:47:28,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:47:28,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:47:28,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:47:28,322 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:47:28,323 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:47:28,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-07-14 02:47:28,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a51cbcdcd/36733ef43c4c4050801eb00d642a9fff/FLAGab73461e2 [2022-07-14 02:47:29,299 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:47:29,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-07-14 02:47:29,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a51cbcdcd/36733ef43c4c4050801eb00d642a9fff/FLAGab73461e2 [2022-07-14 02:47:29,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a51cbcdcd/36733ef43c4c4050801eb00d642a9fff [2022-07-14 02:47:29,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:47:29,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:47:29,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:47:29,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:47:29,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:47:29,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:47:29" (1/1) ... [2022-07-14 02:47:29,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@241b34a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:47:29, skipping insertion in model container [2022-07-14 02:47:29,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:47:29" (1/1) ... [2022-07-14 02:47:29,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:47:29,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:47:33,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2022-07-14 02:47:33,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2022-07-14 02:47:33,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2022-07-14 02:47:33,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2022-07-14 02:47:33,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:47:33,707 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:47:33,866 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:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-14 02:47:33,875 INFO L158 Benchmark]: Toolchain (without parser) took 4123.83ms. Allocated memory was 98.6MB in the beginning and 220.2MB in the end (delta: 121.6MB). Free memory was 62.4MB in the beginning and 99.2MB in the end (delta: -36.8MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. [2022-07-14 02:47:33,876 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory was 53.6MB in the beginning and 53.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 02:47:33,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4122.27ms. Allocated memory was 98.6MB in the beginning and 220.2MB in the end (delta: 121.6MB). Free memory was 62.4MB in the beginning and 99.2MB in the end (delta: -36.8MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. [2022-07-14 02:47:33,878 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory was 53.6MB in the beginning and 53.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4122.27ms. Allocated memory was 98.6MB in the beginning and 220.2MB in the end (delta: 121.6MB). Free memory was 62.4MB in the beginning and 99.2MB in the end (delta: -36.8MB). Peak memory consumption was 91.9MB. 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.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 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:47:35,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:47:35,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:47:35,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:47:35,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:47:35,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:47:35,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:47:35,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:47:35,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:47:35,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:47:35,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:47:35,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:47:35,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:47:35,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:47:35,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:47:35,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:47:35,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:47:35,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:47:35,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:47:35,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:47:35,619 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:47:35,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:47:35,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:47:35,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:47:35,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:47:35,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:47:35,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:47:35,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:47:35,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:47:35,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:47:35,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:47:35,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:47:35,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:47:35,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:47:35,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:47:35,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:47:35,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:47:35,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:47:35,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:47:35,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:47:35,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:47:35,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:47:35,648 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 02:47:35,675 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:47:35,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:47:35,676 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:47:35,676 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:47:35,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:47:35,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:47:35,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:47:35,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:47:35,678 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:47:35,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:47:35,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:47:35,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:47:35,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:47:35,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:47:35,680 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 02:47:35,681 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 02:47:35,681 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 02:47:35,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:47:35,681 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:47:35,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:47:35,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:47:35,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:47:35,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:47:35,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:47:35,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:47:35,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:47:35,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:47:35,683 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 02:47:35,683 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 02:47:35,684 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:47:35,684 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:47:35,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:47:35,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 02:47:35,684 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 [2022-07-14 02:47:36,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:47:36,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:47:36,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:47:36,035 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:47:36,039 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:47:36,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-07-14 02:47:36,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ddf05893/0f0b59be1adf4b479e6feb62fa9d4119/FLAG3f5ba3af2 [2022-07-14 02:47:37,120 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:47:37,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-07-14 02:47:37,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ddf05893/0f0b59be1adf4b479e6feb62fa9d4119/FLAG3f5ba3af2 [2022-07-14 02:47:37,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ddf05893/0f0b59be1adf4b479e6feb62fa9d4119 [2022-07-14 02:47:37,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:47:37,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:47:37,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:47:37,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:47:37,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:47:37,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:47:37" (1/1) ... [2022-07-14 02:47:37,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12e4e1f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:47:37, skipping insertion in model container [2022-07-14 02:47:37,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:47:37" (1/1) ... [2022-07-14 02:47:37,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:47:37,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:47:41,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2022-07-14 02:47:41,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2022-07-14 02:47:41,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2022-07-14 02:47:41,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2022-07-14 02:47:41,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:47:41,733 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 02:47:41,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:47:42,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2022-07-14 02:47:42,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2022-07-14 02:47:42,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2022-07-14 02:47:42,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2022-07-14 02:47:42,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:47:42,414 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:47:42,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2022-07-14 02:47:42,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2022-07-14 02:47:42,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2022-07-14 02:47:42,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2022-07-14 02:47:42,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:47:43,077 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:47:43,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:47:43 WrapperNode [2022-07-14 02:47:43,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:47:43,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:47:43,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:47:43,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:47:43,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:47:43" (1/1) ... [2022-07-14 02:47:43,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:47:43" (1/1) ... [2022-07-14 02:47:43,588 INFO L137 Inliner]: procedures = 553, calls = 6232, calls flagged for inlining = 274, calls inlined = 248, statements flattened = 8679 [2022-07-14 02:47:43,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:47:43,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 02:47:43,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 02:47:43,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 02:47:43,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:47:43" (1/1) ... [2022-07-14 02:47:43,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:47:43" (1/1) ... [2022-07-14 02:47:43,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:47:43" (1/1) ... [2022-07-14 02:47:43,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:47:43" (1/1) ... [2022-07-14 02:47:43,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:47:43" (1/1) ... [2022-07-14 02:47:43,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:47:43" (1/1) ... [2022-07-14 02:47:43,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:47:43" (1/1) ... [2022-07-14 02:47:43,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 02:47:43,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 02:47:43,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 02:47:43,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 02:47:43,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:47:43" (1/1) ... [2022-07-14 02:47:43,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:47:43,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:47:43,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 02:47:44,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 02:47:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_islpci_acl [2022-07-14 02:47:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_islpci_acl [2022-07-14 02:47:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2022-07-14 02:47:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2022-07-14 02:47:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2022-07-14 02:47:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2022-07-14 02:47:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-14 02:47:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 02:47:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 02:47:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 02:47:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 02:47:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2022-07-14 02:47:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2022-07-14 02:47:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 02:47:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 02:47:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 02:47:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 02:47:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2022-07-14 02:47:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2022-07-14 02:47:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 02:47:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 02:47:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-14 02:47:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-14 02:47:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 02:47:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 02:47:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2022-07-14 02:47:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2022-07-14 02:47:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2022-07-14 02:47:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2022-07-14 02:47:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-14 02:47:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2022-07-14 02:47:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2022-07-14 02:47:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 02:47:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 02:47:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 02:47:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 02:47:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 02:47:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 02:47:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 02:47:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 02:47:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2022-07-14 02:47:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2022-07-14 02:47:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 02:47:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 02:47:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-14 02:47:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-14 02:47:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 02:47:44,038 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 02:47:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-07-14 02:47:44,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-07-14 02:47:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 02:47:44,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 02:47:44,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 02:47:44,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wpa_lock_of_NOT_ARG_SIGN [2022-07-14 02:47:44,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wpa_lock_of_NOT_ARG_SIGN [2022-07-14 02:47:44,039 INFO L130 BoogieDeclarations]: Found specification of procedure send_simple_event [2022-07-14 02:47:44,039 INFO L138 BoogieDeclarations]: Found implementation of procedure send_simple_event [2022-07-14 02:47:44,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 02:47:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 02:47:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 02:47:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 02:47:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-14 02:47:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-14 02:47:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 02:47:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 02:47:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure send_formatted_event [2022-07-14 02:47:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure send_formatted_event [2022-07-14 02:47:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2022-07-14 02:47:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2022-07-14 02:47:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 02:47:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 02:47:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 02:47:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 02:47:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2022-07-14 02:47:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2022-07-14 02:47:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 02:47:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 02:47:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-14 02:47:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-14 02:47:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-14 02:47:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-14 02:47:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 02:47:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 02:47:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 02:47:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 02:47:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 02:47:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 02:47:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 02:47:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 02:47:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 02:47:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 02:47:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_open [2022-07-14 02:47:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_open [2022-07-14 02:47:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2022-07-14 02:47:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2022-07-14 02:47:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 02:47:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 02:47:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 02:47:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 02:47:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 02:47:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 02:47:44,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 02:47:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-14 02:47:44,051 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-14 02:47:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-14 02:47:44,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-14 02:47:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 02:47:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 02:47:44,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 02:47:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 02:47:44,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 02:47:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 02:47:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 02:47:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 02:47:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 02:47:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 02:47:44,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 02:47:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 02:47:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_stats_lock_of_NOT_ARG_SIGN [2022-07-14 02:47:44,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_stats_lock_of_NOT_ARG_SIGN [2022-07-14 02:47:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-14 02:47:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-14 02:47:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 02:47:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 02:47:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 02:47:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 02:47:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wpa_lock_of_NOT_ARG_SIGN [2022-07-14 02:47:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wpa_lock_of_NOT_ARG_SIGN [2022-07-14 02:47:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-14 02:47:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-14 02:47:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 02:47:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 02:47:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-14 02:47:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-14 02:47:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-14 02:47:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-14 02:47:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 02:47:44,062 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 02:47:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 02:47:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-07-14 02:47:44,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-07-14 02:47:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-14 02:47:44,062 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-14 02:47:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-14 02:47:44,062 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-14 02:47:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 02:47:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 02:47:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-07-14 02:47:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-07-14 02:47:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 02:47:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 02:47:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 02:47:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-14 02:47:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-14 02:47:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2022-07-14 02:47:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2022-07-14 02:47:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 02:47:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_wpa_bss_ie_get [2022-07-14 02:47:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_wpa_bss_ie_get [2022-07-14 02:47:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 02:47:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 02:47:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 02:47:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 02:47:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 02:47:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 02:47:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 02:47:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 02:47:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure handle_request [2022-07-14 02:47:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_request [2022-07-14 02:47:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2022-07-14 02:47:44,066 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2022-07-14 02:47:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_lock_of_NOT_ARG_SIGN [2022-07-14 02:47:44,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_lock_of_NOT_ARG_SIGN [2022-07-14 02:47:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 02:47:44,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 02:47:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 02:47:44,066 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 02:47:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 02:47:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 02:47:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-14 02:47:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-14 02:47:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 02:47:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 02:47:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-14 02:47:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-14 02:47:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 02:47:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 02:47:44,068 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 02:47:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2022-07-14 02:47:44,068 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2022-07-14 02:47:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-14 02:47:44,068 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-14 02:47:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 02:47:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_varlen [2022-07-14 02:47:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_varlen [2022-07-14 02:47:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-14 02:47:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-14 02:47:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 02:47:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-14 02:47:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-14 02:47:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 02:47:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 02:47:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 02:47:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 02:47:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_close [2022-07-14 02:47:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_close [2022-07-14 02:47:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-14 02:47:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-14 02:47:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_get_request [2022-07-14 02:47:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_get_request [2022-07-14 02:47:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-14 02:47:44,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-14 02:47:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 02:47:44,071 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 02:47:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 02:47:44,071 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 02:47:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 02:47:44,071 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 02:47:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2022-07-14 02:47:44,072 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2022-07-14 02:47:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2022-07-14 02:47:44,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2022-07-14 02:47:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 02:47:44,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 02:47:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 02:47:44,072 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 02:47:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-14 02:47:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-14 02:47:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 02:47:44,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 02:47:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-14 02:47:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-14 02:47:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2022-07-14 02:47:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2022-07-14 02:47:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-14 02:47:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-14 02:47:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 02:47:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 02:47:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 02:47:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 02:47:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 02:47:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 02:47:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2022-07-14 02:47:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2022-07-14 02:47:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2022-07-14 02:47:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2022-07-14 02:47:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 02:47:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 02:47:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 02:47:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 02:47:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2022-07-14 02:47:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2022-07-14 02:47:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-14 02:47:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-14 02:47:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 02:47:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 02:47:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 02:47:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 02:47:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-14 02:47:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-14 02:47:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 02:47:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 02:47:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2022-07-14 02:47:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2022-07-14 02:47:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_islpci_acl [2022-07-14 02:47:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_islpci_acl [2022-07-14 02:47:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2022-07-14 02:47:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2022-07-14 02:47:44,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 02:47:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 02:47:44,083 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2022-07-14 02:47:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2022-07-14 02:47:44,083 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-14 02:47:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-14 02:47:44,083 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-14 02:47:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-14 02:47:44,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 02:47:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 02:47:44,084 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 02:47:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 02:47:44,084 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-14 02:47:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-14 02:47:44,084 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2022-07-14 02:47:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2022-07-14 02:47:44,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_islpci_acl [2022-07-14 02:47:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_islpci_acl [2022-07-14 02:47:44,084 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-14 02:47:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-14 02:47:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 02:47:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 02:47:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 02:47:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 02:47:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-14 02:47:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-14 02:47:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2022-07-14 02:47:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2022-07-14 02:47:45,177 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 02:47:45,179 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 02:47:48,588 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 02:48:43,927 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 02:48:47,189 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 02:48:47,220 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 02:48:47,221 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-14 02:48:47,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:48:47 BoogieIcfgContainer [2022-07-14 02:48:47,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 02:48:47,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 02:48:47,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 02:48:47,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 02:48:47,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:47:37" (1/3) ... [2022-07-14 02:48:47,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f8894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:48:47, skipping insertion in model container [2022-07-14 02:48:47,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:47:43" (2/3) ... [2022-07-14 02:48:47,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f8894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:48:47, skipping insertion in model container [2022-07-14 02:48:47,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:48:47" (3/3) ... [2022-07-14 02:48:47,232 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-07-14 02:48:47,244 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 02:48:47,244 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-14 02:48:47,341 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 02:48:47,345 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@4643af6e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@580e7e85 [2022-07-14 02:48:47,346 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-14 02:48:47,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 2440 states, 1688 states have (on average 1.2938388625592416) internal successors, (2184), 1738 states have internal predecessors, (2184), 618 states have call successors, (618), 131 states have call predecessors, (618), 130 states have return successors, (612), 593 states have call predecessors, (612), 612 states have call successors, (612) [2022-07-14 02:48:47,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-14 02:48:47,387 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:48:47,387 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:48:47,388 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 2 more)] === [2022-07-14 02:48:47,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:48:47,393 INFO L85 PathProgramCache]: Analyzing trace with hash 38973541, now seen corresponding path program 1 times [2022-07-14 02:48:47,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:48:47,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47752748] [2022-07-14 02:48:47,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:48:47,418 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:48:47,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:48:47,424 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:48:47,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 02:48:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:48:55,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 5159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:48:55,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:48:55,612 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-14 02:48:55,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:48:55,613 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:48:55,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [47752748] [2022-07-14 02:48:55,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [47752748] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:48:55,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:48:55,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:48:55,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264404840] [2022-07-14 02:48:55,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:48:55,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:48:55,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:48:55,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:48:55,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:48:55,652 INFO L87 Difference]: Start difference. First operand has 2440 states, 1688 states have (on average 1.2938388625592416) internal successors, (2184), 1738 states have internal predecessors, (2184), 618 states have call successors, (618), 131 states have call predecessors, (618), 130 states have return successors, (612), 593 states have call predecessors, (612), 612 states have call successors, (612) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-14 02:48:56,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:48:56,627 INFO L93 Difference]: Finished difference Result 7165 states and 10349 transitions. [2022-07-14 02:48:56,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:48:56,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 94 [2022-07-14 02:48:56,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:48:56,683 INFO L225 Difference]: With dead ends: 7165 [2022-07-14 02:48:56,684 INFO L226 Difference]: Without dead ends: 4726 [2022-07-14 02:48:56,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:48:56,721 INFO L413 NwaCegarLoop]: 3945 mSDtfsCounter, 3241 mSDsluCounter, 3268 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3241 SdHoareTripleChecker+Valid, 7213 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:48:56,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3241 Valid, 7213 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 02:48:56,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4726 states. [2022-07-14 02:48:56,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4726 to 4720. [2022-07-14 02:48:57,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4720 states, 3269 states have (on average 1.2633832976445396) internal successors, (4130), 3367 states have internal predecessors, (4130), 1191 states have call successors, (1191), 257 states have call predecessors, (1191), 256 states have return successors, (1187), 1149 states have call predecessors, (1187), 1187 states have call successors, (1187) [2022-07-14 02:48:57,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4720 states to 4720 states and 6508 transitions. [2022-07-14 02:48:57,043 INFO L78 Accepts]: Start accepts. Automaton has 4720 states and 6508 transitions. Word has length 94 [2022-07-14 02:48:57,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:48:57,047 INFO L495 AbstractCegarLoop]: Abstraction has 4720 states and 6508 transitions. [2022-07-14 02:48:57,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-14 02:48:57,047 INFO L276 IsEmpty]: Start isEmpty. Operand 4720 states and 6508 transitions. [2022-07-14 02:48:57,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-14 02:48:57,055 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:48:57,056 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:48:57,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-14 02:48:57,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:48:57,266 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_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 2 more)] === [2022-07-14 02:48:57,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:48:57,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1061101067, now seen corresponding path program 1 times [2022-07-14 02:48:57,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:48:57,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [733334349] [2022-07-14 02:48:57,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:48:57,272 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:48:57,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:48:57,274 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:48:57,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 02:49:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:49:05,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 5185 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:49:05,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:49:05,779 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-14 02:49:05,780 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:49:05,780 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:49:05,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [733334349] [2022-07-14 02:49:05,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [733334349] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:49:05,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:49:05,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:49:05,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374938221] [2022-07-14 02:49:05,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:49:05,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:49:05,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:49:05,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:49:05,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:49:05,784 INFO L87 Difference]: Start difference. First operand 4720 states and 6508 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-14 02:49:06,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:49:06,649 INFO L93 Difference]: Finished difference Result 11758 states and 16204 transitions. [2022-07-14 02:49:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:49:06,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 95 [2022-07-14 02:49:06,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:49:06,710 INFO L225 Difference]: With dead ends: 11758 [2022-07-14 02:49:06,711 INFO L226 Difference]: Without dead ends: 7055 [2022-07-14 02:49:06,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:49:06,744 INFO L413 NwaCegarLoop]: 3944 mSDtfsCounter, 3235 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3235 SdHoareTripleChecker+Valid, 7256 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:49:06,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3235 Valid, 7256 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 02:49:06,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7055 states. [2022-07-14 02:49:07,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7055 to 7033. [2022-07-14 02:49:07,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7033 states, 4872 states have (on average 1.2610837438423645) internal successors, (6144), 5021 states have internal predecessors, (6144), 1772 states have call successors, (1772), 386 states have call predecessors, (1772), 385 states have return successors, (1768), 1706 states have call predecessors, (1768), 1768 states have call successors, (1768) [2022-07-14 02:49:07,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7033 states to 7033 states and 9684 transitions. [2022-07-14 02:49:07,070 INFO L78 Accepts]: Start accepts. Automaton has 7033 states and 9684 transitions. Word has length 95 [2022-07-14 02:49:07,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:49:07,070 INFO L495 AbstractCegarLoop]: Abstraction has 7033 states and 9684 transitions. [2022-07-14 02:49:07,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-14 02:49:07,071 INFO L276 IsEmpty]: Start isEmpty. Operand 7033 states and 9684 transitions. [2022-07-14 02:49:07,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-14 02:49:07,073 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:49:07,073 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:49:07,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 02:49:07,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:49:07,290 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 2 more)] === [2022-07-14 02:49:07,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:49:07,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1782373060, now seen corresponding path program 1 times [2022-07-14 02:49:07,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:49:07,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1557385234] [2022-07-14 02:49:07,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:49:07,303 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:49:07,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:49:07,304 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:49:07,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 02:49:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:49:15,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 5233 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:49:15,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:49:15,719 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-14 02:49:15,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:49:15,719 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:49:15,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1557385234] [2022-07-14 02:49:15,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1557385234] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:49:15,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:49:15,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:49:15,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166165188] [2022-07-14 02:49:15,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:49:15,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:49:15,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:49:15,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:49:15,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:49:15,721 INFO L87 Difference]: Start difference. First operand 7033 states and 9684 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-14 02:49:16,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:49:16,996 INFO L93 Difference]: Finished difference Result 17410 states and 23926 transitions. [2022-07-14 02:49:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:49:16,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 97 [2022-07-14 02:49:16,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:49:17,074 INFO L225 Difference]: With dead ends: 17410 [2022-07-14 02:49:17,075 INFO L226 Difference]: Without dead ends: 10394 [2022-07-14 02:49:17,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:49:17,122 INFO L413 NwaCegarLoop]: 3951 mSDtfsCounter, 2632 mSDsluCounter, 3268 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2632 SdHoareTripleChecker+Valid, 7219 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-14 02:49:17,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2632 Valid, 7219 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-14 02:49:17,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10394 states. [2022-07-14 02:49:17,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10394 to 10370. [2022-07-14 02:49:17,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10370 states, 7221 states have (on average 1.2617366015787288) internal successors, (9111), 7457 states have internal predecessors, (9111), 2542 states have call successors, (2542), 606 states have call predecessors, (2542), 603 states have return successors, (2538), 2432 states have call predecessors, (2538), 2538 states have call successors, (2538) [2022-07-14 02:49:17,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10370 states to 10370 states and 14191 transitions. [2022-07-14 02:49:17,565 INFO L78 Accepts]: Start accepts. Automaton has 10370 states and 14191 transitions. Word has length 97 [2022-07-14 02:49:17,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:49:17,568 INFO L495 AbstractCegarLoop]: Abstraction has 10370 states and 14191 transitions. [2022-07-14 02:49:17,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-14 02:49:17,569 INFO L276 IsEmpty]: Start isEmpty. Operand 10370 states and 14191 transitions. [2022-07-14 02:49:17,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-14 02:49:17,576 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:49:17,576 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:49:17,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 02:49:17,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:49:17,800 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 2 more)] === [2022-07-14 02:49:17,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:49:17,800 INFO L85 PathProgramCache]: Analyzing trace with hash -218919595, now seen corresponding path program 1 times [2022-07-14 02:49:17,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:49:17,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [103014948] [2022-07-14 02:49:17,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:49:17,813 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:49:17,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:49:17,815 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:49:17,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 02:49:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:49:25,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 5236 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:49:25,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:49:26,124 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-14 02:49:26,125 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:49:26,125 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:49:26,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [103014948] [2022-07-14 02:49:26,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [103014948] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:49:26,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:49:26,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:49:26,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496437360] [2022-07-14 02:49:26,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:49:26,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:49:26,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:49:26,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:49:26,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:49:26,128 INFO L87 Difference]: Start difference. First operand 10370 states and 14191 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-14 02:49:27,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:49:27,315 INFO L93 Difference]: Finished difference Result 25406 states and 34665 transitions. [2022-07-14 02:49:27,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:49:27,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 103 [2022-07-14 02:49:27,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:49:27,423 INFO L225 Difference]: With dead ends: 25406 [2022-07-14 02:49:27,423 INFO L226 Difference]: Without dead ends: 15053 [2022-07-14 02:49:27,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:49:27,484 INFO L413 NwaCegarLoop]: 3906 mSDtfsCounter, 3099 mSDsluCounter, 3245 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3099 SdHoareTripleChecker+Valid, 7151 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-14 02:49:27,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3099 Valid, 7151 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-14 02:49:27,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15053 states. [2022-07-14 02:49:27,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15053 to 15015. [2022-07-14 02:49:28,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15015 states, 10495 states have (on average 1.2567889471176752) internal successors, (13190), 10827 states have internal predecessors, (13190), 3621 states have call successors, (3621), 904 states have call predecessors, (3621), 895 states have return successors, (3621), 3457 states have call predecessors, (3621), 3617 states have call successors, (3621) [2022-07-14 02:49:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15015 states to 15015 states and 20432 transitions. [2022-07-14 02:49:28,121 INFO L78 Accepts]: Start accepts. Automaton has 15015 states and 20432 transitions. Word has length 103 [2022-07-14 02:49:28,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:49:28,122 INFO L495 AbstractCegarLoop]: Abstraction has 15015 states and 20432 transitions. [2022-07-14 02:49:28,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-14 02:49:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand 15015 states and 20432 transitions. [2022-07-14 02:49:28,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-14 02:49:28,127 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:49:28,127 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:49:28,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 02:49:28,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:49:28,344 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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 2 more)] === [2022-07-14 02:49:28,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:49:28,344 INFO L85 PathProgramCache]: Analyzing trace with hash 346365365, now seen corresponding path program 1 times [2022-07-14 02:49:28,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:49:28,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360389426] [2022-07-14 02:49:28,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:49:28,352 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:49:28,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:49:28,354 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:49:28,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 02:49:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:49:36,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 5300 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:49:36,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:49:36,399 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-14 02:49:36,399 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:49:36,400 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:49:36,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1360389426] [2022-07-14 02:49:36,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1360389426] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:49:36,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:49:36,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:49:36,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916051412] [2022-07-14 02:49:36,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:49:36,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:49:36,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:49:36,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:49:36,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:49:36,402 INFO L87 Difference]: Start difference. First operand 15015 states and 20432 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, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-14 02:49:37,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:49:37,545 INFO L93 Difference]: Finished difference Result 43145 states and 58809 transitions. [2022-07-14 02:49:37,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:49:37,546 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, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 166 [2022-07-14 02:49:37,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:49:37,720 INFO L225 Difference]: With dead ends: 43145 [2022-07-14 02:49:37,720 INFO L226 Difference]: Without dead ends: 28746 [2022-07-14 02:49:37,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:49:37,792 INFO L413 NwaCegarLoop]: 5112 mSDtfsCounter, 3170 mSDsluCounter, 3306 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3170 SdHoareTripleChecker+Valid, 8418 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:49:37,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3170 Valid, 8418 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 02:49:37,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28746 states. [2022-07-14 02:49:38,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28746 to 28740. [2022-07-14 02:49:38,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28740 states, 20056 states have (on average 1.2568308735540488) internal successors, (25207), 20672 states have internal predecessors, (25207), 6960 states have call successors, (6960), 1733 states have call predecessors, (6960), 1720 states have return successors, (6964), 6674 states have call predecessors, (6964), 6956 states have call successors, (6964) [2022-07-14 02:49:39,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28740 states to 28740 states and 39131 transitions. [2022-07-14 02:49:39,086 INFO L78 Accepts]: Start accepts. Automaton has 28740 states and 39131 transitions. Word has length 166 [2022-07-14 02:49:39,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:49:39,088 INFO L495 AbstractCegarLoop]: Abstraction has 28740 states and 39131 transitions. [2022-07-14 02:49:39,088 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, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-14 02:49:39,088 INFO L276 IsEmpty]: Start isEmpty. Operand 28740 states and 39131 transitions. [2022-07-14 02:49:39,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-14 02:49:39,092 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:49:39,093 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:49:39,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 02:49:39,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:49:39,311 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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 2 more)] === [2022-07-14 02:49:39,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:49:39,312 INFO L85 PathProgramCache]: Analyzing trace with hash 486913975, now seen corresponding path program 1 times [2022-07-14 02:49:39,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:49:39,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1133828892] [2022-07-14 02:49:39,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:49:39,323 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:49:39,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:49:39,325 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:49:39,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 02:49:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:49:47,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 5300 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 02:49:47,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:49:48,680 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-14 02:49:48,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:49:48,680 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:49:48,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1133828892] [2022-07-14 02:49:48,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1133828892] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:49:48,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:49:48,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:49:48,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159039931] [2022-07-14 02:49:48,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:49:48,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:49:48,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:49:48,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:49:48,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:49:48,682 INFO L87 Difference]: Start difference. First operand 28740 states and 39131 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-14 02:49:50,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:49:50,002 INFO L93 Difference]: Finished difference Result 28746 states and 39136 transitions. [2022-07-14 02:49:50,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:49:50,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 166 [2022-07-14 02:49:50,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:49:50,170 INFO L225 Difference]: With dead ends: 28746 [2022-07-14 02:49:50,170 INFO L226 Difference]: Without dead ends: 28744 [2022-07-14 02:49:50,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:49:50,202 INFO L413 NwaCegarLoop]: 3330 mSDtfsCounter, 3245 mSDsluCounter, 6653 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3246 SdHoareTripleChecker+Valid, 9983 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:49:50,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3246 Valid, 9983 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 02:49:50,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28744 states. [2022-07-14 02:49:51,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28744 to 28744. [2022-07-14 02:49:51,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28744 states, 20059 states have (on average 1.2567924622364026) internal successors, (25210), 20675 states have internal predecessors, (25210), 6960 states have call successors, (6960), 1734 states have call predecessors, (6960), 1721 states have return successors, (6964), 6674 states have call predecessors, (6964), 6956 states have call successors, (6964) [2022-07-14 02:49:51,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28744 states to 28744 states and 39134 transitions. [2022-07-14 02:49:51,390 INFO L78 Accepts]: Start accepts. Automaton has 28744 states and 39134 transitions. Word has length 166 [2022-07-14 02:49:51,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:49:51,391 INFO L495 AbstractCegarLoop]: Abstraction has 28744 states and 39134 transitions. [2022-07-14 02:49:51,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-14 02:49:51,391 INFO L276 IsEmpty]: Start isEmpty. Operand 28744 states and 39134 transitions. [2022-07-14 02:49:51,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-14 02:49:51,396 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:49:51,396 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:49:51,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-14 02:49:51,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:49:51,612 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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 2 more)] === [2022-07-14 02:49:51,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:49:51,612 INFO L85 PathProgramCache]: Analyzing trace with hash -712533819, now seen corresponding path program 1 times [2022-07-14 02:49:51,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:49:51,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1362434235] [2022-07-14 02:49:51,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:49:51,622 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:49:51,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:49:51,623 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:49:51,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 02:49:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:49:59,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 5307 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 02:49:59,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:50:01,277 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-14 02:50:01,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 02:50:02,401 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-14 02:50:02,402 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:50:02,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1362434235] [2022-07-14 02:50:02,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1362434235] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 02:50:02,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 02:50:02,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-14 02:50:02,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27981179] [2022-07-14 02:50:02,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:50:02,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:50:02,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:50:02,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:50:02,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:50:02,404 INFO L87 Difference]: Start difference. First operand 28744 states and 39134 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-14 02:50:03,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:50:03,979 INFO L93 Difference]: Finished difference Result 28750 states and 39139 transitions. [2022-07-14 02:50:03,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 02:50:03,980 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 171 [2022-07-14 02:50:03,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:50:04,129 INFO L225 Difference]: With dead ends: 28750 [2022-07-14 02:50:04,129 INFO L226 Difference]: Without dead ends: 28748 [2022-07-14 02:50:04,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:50:04,164 INFO L413 NwaCegarLoop]: 3333 mSDtfsCounter, 3265 mSDsluCounter, 6652 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3270 SdHoareTripleChecker+Valid, 9985 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-14 02:50:04,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3270 Valid, 9985 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-14 02:50:04,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28748 states. [2022-07-14 02:50:05,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28748 to 28748. [2022-07-14 02:50:05,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28748 states, 20062 states have (on average 1.2567540624065396) internal successors, (25213), 20678 states have internal predecessors, (25213), 6960 states have call successors, (6960), 1735 states have call predecessors, (6960), 1722 states have return successors, (6964), 6674 states have call predecessors, (6964), 6956 states have call successors, (6964) [2022-07-14 02:50:05,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28748 states to 28748 states and 39137 transitions. [2022-07-14 02:50:05,537 INFO L78 Accepts]: Start accepts. Automaton has 28748 states and 39137 transitions. Word has length 171 [2022-07-14 02:50:05,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:50:05,538 INFO L495 AbstractCegarLoop]: Abstraction has 28748 states and 39137 transitions. [2022-07-14 02:50:05,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-14 02:50:05,538 INFO L276 IsEmpty]: Start isEmpty. Operand 28748 states and 39137 transitions. [2022-07-14 02:50:05,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-07-14 02:50:05,545 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:50:05,545 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:50:05,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 02:50:05,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:50:05,767 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 2 more)] === [2022-07-14 02:50:05,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:50:05,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1342916663, now seen corresponding path program 1 times [2022-07-14 02:50:05,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:50:05,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2090775940] [2022-07-14 02:50:05,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:50:05,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:50:05,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:50:05,781 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:50:05,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 02:50:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:50:14,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 5314 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 02:50:14,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:50:16,461 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-14 02:50:16,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 02:50:17,456 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-14 02:50:17,457 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:50:17,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2090775940] [2022-07-14 02:50:17,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2090775940] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 02:50:17,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 02:50:17,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-14 02:50:17,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775030049] [2022-07-14 02:50:17,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:50:17,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:50:17,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:50:17,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:50:17,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:50:17,459 INFO L87 Difference]: Start difference. First operand 28748 states and 39137 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-14 02:50:19,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:50:19,358 INFO L93 Difference]: Finished difference Result 56254 states and 76926 transitions. [2022-07-14 02:50:19,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:50:19,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 176 [2022-07-14 02:50:19,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:50:19,905 INFO L225 Difference]: With dead ends: 56254 [2022-07-14 02:50:19,905 INFO L226 Difference]: Without dead ends: 56252 [2022-07-14 02:50:19,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:50:19,946 INFO L413 NwaCegarLoop]: 4154 mSDtfsCounter, 3265 mSDsluCounter, 11552 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3269 SdHoareTripleChecker+Valid, 15706 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:50:19,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3269 Valid, 15706 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 02:50:20,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56252 states. [2022-07-14 02:50:21,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56252 to 56184. [2022-07-14 02:50:21,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56184 states, 39230 states have (on average 1.2585266377772113) internal successors, (49372), 40494 states have internal predecessors, (49372), 13640 states have call successors, (13640), 3384 states have call predecessors, (13640), 3310 states have return successors, (13836), 12977 states have call predecessors, (13836), 13632 states have call successors, (13836) [2022-07-14 02:50:22,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56184 states to 56184 states and 76848 transitions. [2022-07-14 02:50:22,741 INFO L78 Accepts]: Start accepts. Automaton has 56184 states and 76848 transitions. Word has length 176 [2022-07-14 02:50:22,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:50:22,743 INFO L495 AbstractCegarLoop]: Abstraction has 56184 states and 76848 transitions. [2022-07-14 02:50:22,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-14 02:50:22,744 INFO L276 IsEmpty]: Start isEmpty. Operand 56184 states and 76848 transitions. [2022-07-14 02:50:22,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-14 02:50:22,749 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:50:22,750 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 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] [2022-07-14 02:50:22,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-14 02:50:22,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:50:22,964 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 02:50:22,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:50:22,964 INFO L85 PathProgramCache]: Analyzing trace with hash 226964325, now seen corresponding path program 1 times [2022-07-14 02:50:22,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:50:22,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2100610267] [2022-07-14 02:50:22,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:50:22,972 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:50:22,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:50:22,973 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:50:22,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-14 02:50:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:50:31,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 5391 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:50:31,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:50:31,841 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-07-14 02:50:31,841 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:50:31,841 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:50:31,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2100610267] [2022-07-14 02:50:31,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2100610267] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:50:31,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:50:31,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:50:31,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965857842] [2022-07-14 02:50:31,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:50:31,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:50:31,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:50:31,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:50:31,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:50:31,844 INFO L87 Difference]: Start difference. First operand 56184 states and 76848 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-14 02:50:34,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:50:34,847 INFO L93 Difference]: Finished difference Result 132024 states and 180446 transitions. [2022-07-14 02:50:34,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:50:34,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 177 [2022-07-14 02:50:34,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:50:35,217 INFO L225 Difference]: With dead ends: 132024 [2022-07-14 02:50:35,218 INFO L226 Difference]: Without dead ends: 76456 [2022-07-14 02:50:35,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:50:35,632 INFO L413 NwaCegarLoop]: 5839 mSDtfsCounter, 2616 mSDsluCounter, 3269 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2616 SdHoareTripleChecker+Valid, 9108 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-14 02:50:35,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2616 Valid, 9108 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-14 02:50:35,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76456 states. [2022-07-14 02:50:37,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76456 to 76344. [2022-07-14 02:50:37,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76344 states, 53452 states have (on average 1.25705305694829) internal successors, (67192), 55160 states have internal predecessors, (67192), 18288 states have call successors, (18288), 4694 states have call predecessors, (18288), 4600 states have return successors, (18544), 17417 states have call predecessors, (18544), 18280 states have call successors, (18544) [2022-07-14 02:50:38,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76344 states to 76344 states and 104024 transitions. [2022-07-14 02:50:38,564 INFO L78 Accepts]: Start accepts. Automaton has 76344 states and 104024 transitions. Word has length 177 [2022-07-14 02:50:38,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:50:38,565 INFO L495 AbstractCegarLoop]: Abstraction has 76344 states and 104024 transitions. [2022-07-14 02:50:38,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-14 02:50:38,565 INFO L276 IsEmpty]: Start isEmpty. Operand 76344 states and 104024 transitions. [2022-07-14 02:50:38,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-14 02:50:38,570 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:50:38,571 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:50:38,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-14 02:50:38,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:50:38,791 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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 2 more)] === [2022-07-14 02:50:38,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:50:38,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1377994693, now seen corresponding path program 1 times [2022-07-14 02:50:38,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:50:38,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [450435721] [2022-07-14 02:50:38,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:50:38,801 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:50:38,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:50:38,803 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:50:38,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-14 02:50:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:50:46,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 5321 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 02:50:46,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:50:48,713 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-07-14 02:50:48,713 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 02:50:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-07-14 02:50:49,656 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:50:49,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [450435721] [2022-07-14 02:50:49,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [450435721] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 02:50:49,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 02:50:49,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-14 02:50:49,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75628257] [2022-07-14 02:50:49,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:50:49,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:50:49,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:50:49,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:50:49,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:50:49,658 INFO L87 Difference]: Start difference. First operand 76344 states and 104024 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-14 02:50:53,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:50:53,719 INFO L93 Difference]: Finished difference Result 152018 states and 209644 transitions. [2022-07-14 02:50:53,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:50:53,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 181 [2022-07-14 02:50:53,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:50:54,459 INFO L225 Difference]: With dead ends: 152018 [2022-07-14 02:50:54,459 INFO L226 Difference]: Without dead ends: 152016 [2022-07-14 02:50:54,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:50:54,551 INFO L413 NwaCegarLoop]: 4134 mSDtfsCounter, 3299 mSDsluCounter, 11595 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3302 SdHoareTripleChecker+Valid, 15729 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:50:54,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3302 Valid, 15729 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 02:50:54,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152016 states. [2022-07-14 02:50:59,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152016 to 151976. [2022-07-14 02:50:59,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151976 states, 106363 states have (on average 1.2574767541344265) internal successors, (133749), 109799 states have internal predecessors, (133749), 36448 states have call successors, (36448), 9349 states have call predecessors, (36448), 9161 states have return successors, (39408), 34675 states have call predecessors, (39408), 36432 states have call successors, (39408) [2022-07-14 02:51:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151976 states to 151976 states and 209605 transitions. [2022-07-14 02:51:00,601 INFO L78 Accepts]: Start accepts. Automaton has 151976 states and 209605 transitions. Word has length 181 [2022-07-14 02:51:00,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:51:00,602 INFO L495 AbstractCegarLoop]: Abstraction has 151976 states and 209605 transitions. [2022-07-14 02:51:00,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-14 02:51:00,602 INFO L276 IsEmpty]: Start isEmpty. Operand 151976 states and 209605 transitions. [2022-07-14 02:51:00,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-14 02:51:00,607 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:51:00,607 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:51:00,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-14 02:51:00,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:51:00,828 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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 2 more)] === [2022-07-14 02:51:00,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:51:00,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2049435831, now seen corresponding path program 1 times [2022-07-14 02:51:00,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:51:00,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1656071238] [2022-07-14 02:51:00,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:51:00,837 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:51:00,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:51:00,838 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:51:00,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-14 02:51:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:51:08,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 5328 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 02:51:08,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:51:10,727 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2022-07-14 02:51:10,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 02:51:11,651 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2022-07-14 02:51:11,652 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:51:11,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1656071238] [2022-07-14 02:51:11,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1656071238] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 02:51:11,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 02:51:11,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-14 02:51:11,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423779375] [2022-07-14 02:51:11,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:51:11,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:51:11,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:51:11,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:51:11,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:51:11,656 INFO L87 Difference]: Start difference. First operand 151976 states and 209605 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-14 02:51:15,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:51:15,649 INFO L93 Difference]: Finished difference Result 151994 states and 209622 transitions. [2022-07-14 02:51:15,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 02:51:15,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 186 [2022-07-14 02:51:15,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:51:16,358 INFO L225 Difference]: With dead ends: 151994 [2022-07-14 02:51:16,359 INFO L226 Difference]: Without dead ends: 151992 [2022-07-14 02:51:16,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:51:16,443 INFO L413 NwaCegarLoop]: 3333 mSDtfsCounter, 3265 mSDsluCounter, 6652 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3267 SdHoareTripleChecker+Valid, 9985 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:51:16,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3267 Valid, 9985 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 02:51:16,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151992 states.