./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN --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 817bea8ab76945a5848f42772e9b8e947c5db1a5578e423e156f0a053a32f550 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:46:30,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:46:30,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:46:30,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:46:30,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:46:30,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:46:30,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:46:30,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:46:30,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:46:30,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:46:30,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:46:30,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:46:30,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:46:30,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:46:30,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:46:30,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:46:30,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:46:30,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:46:30,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:46:30,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:46:30,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:46:30,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:46:30,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:46:30,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:46:30,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:46:30,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:46:30,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:46:30,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:46:30,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:46:30,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:46:30,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:46:30,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:46:30,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:46:30,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:46:30,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:46:30,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:46:30,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:46:30,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:46:30,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:46:30,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:46:30,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:46:30,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:46:30,984 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:46:30,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:46:30,984 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:46:30,985 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:46:30,985 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:46:30,986 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:46:30,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:46:30,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:46:30,987 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:46:30,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:46:30,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:46:30,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:46:30,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:46:30,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:46:30,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:46:30,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:46:30,989 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:46:30,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:46:30,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:46:30,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:46:30,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:46:30,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:46:30,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:46:30,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:46:30,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:46:30,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:46:30,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:46:30,993 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:46:30,993 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:46:30,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:46:30,994 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 817bea8ab76945a5848f42772e9b8e947c5db1a5578e423e156f0a053a32f550 [2022-11-20 10:46:31,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:46:31,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:46:31,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:46:31,258 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:46:31,261 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:46:31,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2022-11-20 10:46:34,385 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:46:35,301 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:46:35,302 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2022-11-20 10:46:35,378 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/data/17533e080/1adbf2a2b1dd4ce39f68ff710a58e20b/FLAG75d9d79e9 [2022-11-20 10:46:35,398 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/data/17533e080/1adbf2a2b1dd4ce39f68ff710a58e20b [2022-11-20 10:46:35,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:46:35,406 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:46:35,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:46:35,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:46:35,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:46:35,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:35" (1/1) ... [2022-11-20 10:46:35,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184994c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:35, skipping insertion in model container [2022-11-20 10:46:35,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:35" (1/1) ... [2022-11-20 10:46:35,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:46:35,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:46:36,421 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) 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:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) 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) [2022-11-20 10:46:36,430 INFO L158 Benchmark]: Toolchain (without parser) took 1022.88ms. Allocated memory is still 167.8MB. Free memory was 109.4MB in the beginning and 107.0MB in the end (delta: 2.4MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2022-11-20 10:46:36,430 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:46:36,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1017.49ms. Allocated memory is still 167.8MB. Free memory was 109.4MB in the beginning and 107.0MB in the end (delta: 2.4MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2022-11-20 10:46:36,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1017.49ms. Allocated memory is still 167.8MB. Free memory was 109.4MB in the beginning and 107.0MB in the end (delta: 2.4MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN --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 817bea8ab76945a5848f42772e9b8e947c5db1a5578e423e156f0a053a32f550 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:46:38,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:46:38,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:46:38,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:46:38,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:46:38,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:46:38,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:46:38,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:46:38,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:46:38,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:46:38,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:46:38,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:46:38,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:46:38,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:46:38,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:46:38,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:46:38,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:46:38,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:46:38,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:46:38,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:46:38,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:46:38,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:46:38,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:46:38,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:46:38,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:46:38,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:46:38,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:46:38,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:46:38,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:46:38,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:46:38,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:46:38,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:46:38,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:46:38,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:46:38,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:46:38,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:46:38,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:46:38,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:46:38,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:46:38,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:46:38,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:46:38,826 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:46:38,864 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:46:38,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:46:38,865 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:46:38,866 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:46:38,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:46:38,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:46:38,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:46:38,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:46:38,868 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:46:38,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:46:38,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:46:38,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:46:38,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:46:38,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:46:38,871 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:46:38,871 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:46:38,871 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:46:38,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:46:38,871 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:46:38,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:46:38,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:46:38,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:46:38,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:46:38,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:46:38,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:46:38,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:46:38,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:46:38,874 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:46:38,874 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:46:38,874 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:46:38,874 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:46:38,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:46:38,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:46:38,875 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 817bea8ab76945a5848f42772e9b8e947c5db1a5578e423e156f0a053a32f550 [2022-11-20 10:46:39,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:46:39,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:46:39,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:46:39,318 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:46:39,318 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:46:39,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2022-11-20 10:46:42,648 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:46:43,546 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:46:43,547 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2022-11-20 10:46:43,621 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/data/95a7e8fd3/840db31842744920a5f1eff4f90ce1f5/FLAGb5d778bd0 [2022-11-20 10:46:43,652 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/data/95a7e8fd3/840db31842744920a5f1eff4f90ce1f5 [2022-11-20 10:46:43,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:46:43,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:46:43,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:46:43,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:46:43,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:46:43,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:43" (1/1) ... [2022-11-20 10:46:43,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6327a33d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:43, skipping insertion in model container [2022-11-20 10:46:43,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:43" (1/1) ... [2022-11-20 10:46:43,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:46:43,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:46:48,498 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-20 10:46:51,308 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649077,649090] [2022-11-20 10:46:51,311 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649246,649259] [2022-11-20 10:46:51,312 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649413,649426] [2022-11-20 10:46:51,312 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649581,649594] [2022-11-20 10:46:51,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:46:51,421 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 10:46:51,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:46:52,350 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649077,649090] [2022-11-20 10:46:52,350 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649246,649259] [2022-11-20 10:46:52,351 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649413,649426] [2022-11-20 10:46:52,351 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649581,649594] [2022-11-20 10:46:52,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:46:52,413 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:46:53,259 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649077,649090] [2022-11-20 10:46:53,260 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649246,649259] [2022-11-20 10:46:53,265 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649413,649426] [2022-11-20 10:46:53,266 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649581,649594] [2022-11-20 10:46:53,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:46:53,730 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:46:53,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53 WrapperNode [2022-11-20 10:46:53,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:46:53,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:46:53,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:46:53,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:46:53,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:53,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:54,389 INFO L138 Inliner]: procedures = 747, calls = 7040, calls flagged for inlining = 351, calls inlined = 332, statements flattened = 13971 [2022-11-20 10:46:54,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:46:54,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:46:54,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:46:54,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:46:54,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:54,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:54,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:54,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:54,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:55,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:55,081 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:55,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:55,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:46:55,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:46:55,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:46:55,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:46:55,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:55,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:46:55,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:46:55,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:46:55,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:46:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2022-11-20 10:46:55,287 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2022-11-20 10:46:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2022-11-20 10:46:55,287 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2022-11-20 10:46:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-20 10:46:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2022-11-20 10:46:55,288 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2022-11-20 10:46:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-20 10:46:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2022-11-20 10:46:55,288 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2022-11-20 10:46:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-20 10:46:55,289 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-20 10:46:55,289 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2022-11-20 10:46:55,289 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2022-11-20 10:46:55,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 10:46:55,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 10:46:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2022-11-20 10:46:55,291 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2022-11-20 10:46:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 10:46:55,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 10:46:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 10:46:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 10:46:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2022-11-20 10:46:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2022-11-20 10:46:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2022-11-20 10:46:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2022-11-20 10:46:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 10:46:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 10:46:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2022-11-20 10:46:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2022-11-20 10:46:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2022-11-20 10:46:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2022-11-20 10:46:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-11-20 10:46:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-11-20 10:46:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-20 10:46:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-20 10:46:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 10:46:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 10:46:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2022-11-20 10:46:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2022-11-20 10:46:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2022-11-20 10:46:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2022-11-20 10:46:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2022-11-20 10:46:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2022-11-20 10:46:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2022-11-20 10:46:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2022-11-20 10:46:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 10:46:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 10:46:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2022-11-20 10:46:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2022-11-20 10:46:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-20 10:46:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-20 10:46:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-20 10:46:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-20 10:46:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-20 10:46:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-20 10:46:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2022-11-20 10:46:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2022-11-20 10:46:55,413 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-20 10:46:55,413 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2022-11-20 10:46:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2022-11-20 10:46:55,413 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 10:46:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 10:46:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 10:46:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 10:46:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-20 10:46:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-20 10:46:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2022-11-20 10:46:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2022-11-20 10:46:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-20 10:46:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-20 10:46:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 10:46:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 10:46:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 10:46:55,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 10:46:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2022-11-20 10:46:55,415 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2022-11-20 10:46:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2022-11-20 10:46:55,415 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2022-11-20 10:46:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:46:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 10:46:55,415 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 10:46:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2022-11-20 10:46:55,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2022-11-20 10:46:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2022-11-20 10:46:55,416 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2022-11-20 10:46:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 10:46:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 10:46:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-20 10:46:55,416 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-20 10:46:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 10:46:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2022-11-20 10:46:55,416 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2022-11-20 10:46:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 10:46:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-20 10:46:55,416 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-20 10:46:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 10:46:55,417 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 10:46:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 10:46:55,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 10:46:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2022-11-20 10:46:55,417 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2022-11-20 10:46:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-20 10:46:55,417 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-20 10:46:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2022-11-20 10:46:55,417 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2022-11-20 10:46:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-20 10:46:55,417 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-20 10:46:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2022-11-20 10:46:55,418 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2022-11-20 10:46:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 10:46:55,418 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 10:46:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-20 10:46:55,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-20 10:46:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 10:46:55,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 10:46:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2022-11-20 10:46:55,418 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2022-11-20 10:46:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 10:46:55,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 10:46:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2022-11-20 10:46:55,419 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2022-11-20 10:46:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2022-11-20 10:46:55,419 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2022-11-20 10:46:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2022-11-20 10:46:55,419 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2022-11-20 10:46:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 10:46:55,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 10:46:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 10:46:55,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 10:46:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2022-11-20 10:46:55,419 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2022-11-20 10:46:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-20 10:46:55,420 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-20 10:46:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-20 10:46:55,420 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-20 10:46:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 10:46:55,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 10:46:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2022-11-20 10:46:55,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2022-11-20 10:46:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-20 10:46:55,420 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-20 10:46:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-20 10:46:55,421 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-20 10:46:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 10:46:55,421 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 10:46:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-20 10:46:55,421 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-20 10:46:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 10:46:55,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 10:46:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2022-11-20 10:46:55,421 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2022-11-20 10:46:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2022-11-20 10:46:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2022-11-20 10:46:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:46:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 10:46:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 10:46:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 10:46:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 10:46:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-20 10:46:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-20 10:46:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-20 10:46:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-20 10:46:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2022-11-20 10:46:55,423 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2022-11-20 10:46:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:46:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 10:46:55,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 10:46:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 10:46:55,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 10:46:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:46:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2022-11-20 10:46:55,423 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2022-11-20 10:46:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 10:46:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 10:46:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2022-11-20 10:46:55,424 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2022-11-20 10:46:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 10:46:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-20 10:46:55,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-20 10:46:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:46:55,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:46:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 10:46:55,425 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-20 10:46:55,425 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-20 10:46:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2022-11-20 10:46:55,429 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2022-11-20 10:46:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-20 10:46:55,429 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-20 10:46:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 10:46:55,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 10:46:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2022-11-20 10:46:55,430 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2022-11-20 10:46:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 10:46:55,431 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 10:46:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2022-11-20 10:46:55,431 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2022-11-20 10:46:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-20 10:46:55,431 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-20 10:46:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 10:46:55,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 10:46:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2022-11-20 10:46:55,433 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2022-11-20 10:46:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2022-11-20 10:46:55,433 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2022-11-20 10:46:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 10:46:55,433 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 10:46:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 10:46:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2022-11-20 10:46:55,434 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2022-11-20 10:46:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:46:55,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:46:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2022-11-20 10:46:55,435 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2022-11-20 10:46:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 10:46:55,435 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 10:46:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-11-20 10:46:55,435 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-11-20 10:46:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-20 10:46:55,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-20 10:46:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2022-11-20 10:46:55,436 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2022-11-20 10:46:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 10:46:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-20 10:46:55,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-20 10:46:55,437 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 10:46:55,437 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 10:46:55,437 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-11-20 10:46:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-11-20 10:46:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 10:46:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2022-11-20 10:46:55,442 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2022-11-20 10:46:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-20 10:46:55,442 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-20 10:46:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 10:46:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 10:46:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 10:46:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 10:46:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 10:46:55,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 10:46:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-11-20 10:46:55,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-11-20 10:46:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-11-20 10:46:55,452 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-11-20 10:46:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 10:46:55,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 10:46:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-20 10:46:55,452 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-20 10:46:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2022-11-20 10:46:55,453 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2022-11-20 10:46:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2022-11-20 10:46:55,453 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2022-11-20 10:46:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2022-11-20 10:46:55,453 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2022-11-20 10:46:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2022-11-20 10:46:55,454 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2022-11-20 10:46:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-11-20 10:46:55,454 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-11-20 10:46:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2022-11-20 10:46:55,454 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2022-11-20 10:46:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 10:46:55,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 10:46:55,455 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2022-11-20 10:46:55,455 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2022-11-20 10:46:55,455 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 10:46:55,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 10:46:55,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_airo_cleanup_module_23_2 [2022-11-20 10:46:55,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_airo_cleanup_module_23_2 [2022-11-20 10:46:55,455 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2022-11-20 10:46:55,455 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2022-11-20 10:46:55,456 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-20 10:46:55,456 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-20 10:46:55,456 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2022-11-20 10:46:55,457 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2022-11-20 10:46:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 10:46:55,457 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 10:46:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-20 10:46:55,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-20 10:46:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:46:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 10:46:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 10:46:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2022-11-20 10:46:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2022-11-20 10:46:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-11-20 10:46:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-11-20 10:46:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:46:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-20 10:46:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-20 10:46:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2022-11-20 10:46:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2022-11-20 10:46:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2022-11-20 10:46:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2022-11-20 10:46:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-20 10:46:55,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-20 10:46:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2022-11-20 10:46:55,460 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2022-11-20 10:46:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 10:46:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 10:46:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 10:46:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 10:46:55,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:46:55,461 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 10:46:55,461 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 10:46:55,461 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2022-11-20 10:46:55,461 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2022-11-20 10:46:55,461 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2022-11-20 10:46:55,461 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2022-11-20 10:46:55,461 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 10:46:55,462 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 10:46:55,462 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-20 10:46:55,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-20 10:46:55,462 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2022-11-20 10:46:55,462 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2022-11-20 10:46:55,462 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-20 10:46:55,462 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-20 10:46:55,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 10:46:55,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 10:46:55,463 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2022-11-20 10:46:55,463 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2022-11-20 10:46:55,463 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2022-11-20 10:46:55,463 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2022-11-20 10:46:55,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 10:46:55,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 10:46:55,464 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-20 10:46:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-20 10:46:55,464 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2022-11-20 10:46:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2022-11-20 10:46:55,464 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2022-11-20 10:46:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2022-11-20 10:46:55,464 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-20 10:46:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-20 10:46:55,465 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2022-11-20 10:46:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2022-11-20 10:46:55,465 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2022-11-20 10:46:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2022-11-20 10:46:55,465 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 10:46:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 10:46:55,466 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 10:46:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 10:46:55,466 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2022-11-20 10:46:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2022-11-20 10:46:55,466 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2022-11-20 10:46:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2022-11-20 10:46:55,466 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2022-11-20 10:46:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2022-11-20 10:46:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 10:46:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 10:46:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-20 10:46:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-20 10:46:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 10:46:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 10:46:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-11-20 10:46:55,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2022-11-20 10:46:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-20 10:46:55,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-20 10:46:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2022-11-20 10:46:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2022-11-20 10:46:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2022-11-20 10:46:55,473 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2022-11-20 10:46:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 10:46:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 10:46:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 10:46:55,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 10:46:55,474 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2022-11-20 10:46:55,474 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2022-11-20 10:46:55,474 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-20 10:46:55,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-20 10:46:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-20 10:46:55,475 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-20 10:46:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 10:46:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 10:46:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2022-11-20 10:46:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2022-11-20 10:46:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-11-20 10:46:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-11-20 10:46:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2022-11-20 10:46:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2022-11-20 10:46:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 10:46:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 10:46:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-20 10:46:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-20 10:46:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2022-11-20 10:46:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2022-11-20 10:46:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-20 10:46:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-20 10:46:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-20 10:46:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-20 10:46:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 10:46:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 10:46:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2022-11-20 10:46:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2022-11-20 10:46:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2022-11-20 10:46:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2022-11-20 10:46:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-20 10:46:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-20 10:46:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2022-11-20 10:46:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2022-11-20 10:46:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2022-11-20 10:46:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2022-11-20 10:46:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2022-11-20 10:46:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2022-11-20 10:46:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-20 10:46:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-20 10:46:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2022-11-20 10:46:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2022-11-20 10:46:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-20 10:46:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-20 10:46:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-20 10:46:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-20 10:46:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2022-11-20 10:46:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2022-11-20 10:46:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 10:46:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 10:46:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2022-11-20 10:46:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2022-11-20 10:46:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-20 10:46:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-20 10:46:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2022-11-20 10:46:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2022-11-20 10:46:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2022-11-20 10:46:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2022-11-20 10:46:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2022-11-20 10:46:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2022-11-20 10:46:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2022-11-20 10:46:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2022-11-20 10:46:57,222 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:46:57,230 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:46:59,634 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 10:50:00,290 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 10:50:02,240 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:50:02,268 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:50:02,268 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 10:50:02,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:50:02 BoogieIcfgContainer [2022-11-20 10:50:02,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:50:02,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:50:02,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:50:02,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:50:02,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:46:43" (1/3) ... [2022-11-20 10:50:02,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757c672f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:50:02, skipping insertion in model container [2022-11-20 10:50:02,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (2/3) ... [2022-11-20 10:50:02,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757c672f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:50:02, skipping insertion in model container [2022-11-20 10:50:02,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:50:02" (3/3) ... [2022-11-20 10:50:02,293 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2022-11-20 10:50:02,313 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:50:02,314 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-20 10:50:02,484 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:50:02,493 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5af39cf7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:50:02,494 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-20 10:50:02,520 INFO L276 IsEmpty]: Start isEmpty. Operand has 4839 states, 3231 states have (on average 1.3246672856700712) internal successors, (4280), 3347 states have internal predecessors, (4280), 1412 states have call successors, (1412), 195 states have call predecessors, (1412), 194 states have return successors, (1405), 1358 states have call predecessors, (1405), 1405 states have call successors, (1405) [2022-11-20 10:50:02,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2022-11-20 10:50:02,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:50:02,592 INFO L195 NwaCegarLoop]: trace histogram [60, 60, 59, 59, 59, 59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:50:02,593 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:50:02,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:50:02,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1980383126, now seen corresponding path program 1 times [2022-11-20 10:50:02,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:50:02,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398180991] [2022-11-20 10:50:02,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:50:02,629 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:50:02,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:50:02,641 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:50:02,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 10:50:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:50:08,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 4722 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:50:08,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:50:09,534 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 15399 trivial. 0 not checked. [2022-11-20 10:50:09,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:50:09,535 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:50:09,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398180991] [2022-11-20 10:50:09,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398180991] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:50:09,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:50:09,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:50:09,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67922387] [2022-11-20 10:50:09,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:50:09,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:50:09,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:50:09,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:50:09,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:50:09,584 INFO L87 Difference]: Start difference. First operand has 4839 states, 3231 states have (on average 1.3246672856700712) internal successors, (4280), 3347 states have internal predecessors, (4280), 1412 states have call successors, (1412), 195 states have call predecessors, (1412), 194 states have return successors, (1405), 1358 states have call predecessors, (1405), 1405 states have call successors, (1405) Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-20 10:50:12,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:50:12,029 INFO L93 Difference]: Finished difference Result 14067 states and 21120 transitions. [2022-11-20 10:50:12,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:50:12,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 681 [2022-11-20 10:50:12,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:50:12,136 INFO L225 Difference]: With dead ends: 14067 [2022-11-20 10:50:12,137 INFO L226 Difference]: Without dead ends: 9340 [2022-11-20 10:50:12,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 679 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:50:12,200 INFO L413 NwaCegarLoop]: 8364 mSDtfsCounter, 6725 mSDsluCounter, 6925 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6725 SdHoareTripleChecker+Valid, 15289 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:50:12,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6725 Valid, 15289 Invalid, 54 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-20 10:50:12,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9340 states. [2022-11-20 10:50:12,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9340 to 9336. [2022-11-20 10:50:12,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9336 states, 6255 states have (on average 1.3237410071942446) internal successors, (8280), 6488 states have internal predecessors, (8280), 2696 states have call successors, (2696), 383 states have call predecessors, (2696), 382 states have return successors, (2692), 2598 states have call predecessors, (2692), 2692 states have call successors, (2692) [2022-11-20 10:50:12,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9336 states to 9336 states and 13668 transitions. [2022-11-20 10:50:12,918 INFO L78 Accepts]: Start accepts. Automaton has 9336 states and 13668 transitions. Word has length 681 [2022-11-20 10:50:12,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:50:12,924 INFO L495 AbstractCegarLoop]: Abstraction has 9336 states and 13668 transitions. [2022-11-20 10:50:12,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-20 10:50:12,925 INFO L276 IsEmpty]: Start isEmpty. Operand 9336 states and 13668 transitions. [2022-11-20 10:50:12,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2022-11-20 10:50:12,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:50:12,956 INFO L195 NwaCegarLoop]: trace histogram [60, 60, 59, 59, 59, 59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:50:13,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:50:13,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:50:13,170 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:50:13,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:50:13,170 INFO L85 PathProgramCache]: Analyzing trace with hash 176005148, now seen corresponding path program 1 times [2022-11-20 10:50:13,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:50:13,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554012265] [2022-11-20 10:50:13,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:50:13,176 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:50:13,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:50:13,177 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:50:13,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 10:50:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:50:18,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 4761 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:50:18,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:50:19,592 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 15399 trivial. 0 not checked. [2022-11-20 10:50:19,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:50:19,593 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:50:19,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1554012265] [2022-11-20 10:50:19,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1554012265] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:50:19,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:50:19,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:50:19,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984587471] [2022-11-20 10:50:19,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:50:19,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:50:19,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:50:19,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:50:19,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:50:19,598 INFO L87 Difference]: Start difference. First operand 9336 states and 13668 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-11-20 10:50:22,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:50:22,457 INFO L93 Difference]: Finished difference Result 27630 states and 40479 transitions. [2022-11-20 10:50:22,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:50:22,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 691 [2022-11-20 10:50:22,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:50:22,612 INFO L225 Difference]: With dead ends: 27630 [2022-11-20 10:50:22,613 INFO L226 Difference]: Without dead ends: 18417 [2022-11-20 10:50:22,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 690 GetRequests, 689 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:50:22,680 INFO L413 NwaCegarLoop]: 8387 mSDtfsCounter, 6748 mSDsluCounter, 7004 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6748 SdHoareTripleChecker+Valid, 15391 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:50:22,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6748 Valid, 15391 Invalid, 49 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-20 10:50:22,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18417 states. [2022-11-20 10:50:23,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18417 to 18392. [2022-11-20 10:50:23,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18392 states, 12348 states have (on average 1.3249919015225138) internal successors, (16361), 12812 states have internal predecessors, (16361), 5280 states have call successors, (5280), 762 states have call predecessors, (5280), 761 states have return successors, (5309), 5085 states have call predecessors, (5309), 5276 states have call successors, (5309) [2022-11-20 10:50:23,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18392 states to 18392 states and 26950 transitions. [2022-11-20 10:50:23,940 INFO L78 Accepts]: Start accepts. Automaton has 18392 states and 26950 transitions. Word has length 691 [2022-11-20 10:50:23,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:50:23,942 INFO L495 AbstractCegarLoop]: Abstraction has 18392 states and 26950 transitions. [2022-11-20 10:50:23,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-11-20 10:50:23,942 INFO L276 IsEmpty]: Start isEmpty. Operand 18392 states and 26950 transitions. [2022-11-20 10:50:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2022-11-20 10:50:23,977 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:50:23,977 INFO L195 NwaCegarLoop]: trace histogram [60, 60, 59, 59, 59, 59, 59, 59, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:50:24,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:50:24,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:50:24,194 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:50:24,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:50:24,194 INFO L85 PathProgramCache]: Analyzing trace with hash -994702745, now seen corresponding path program 1 times [2022-11-20 10:50:24,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:50:24,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427840486] [2022-11-20 10:50:24,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:50:24,199 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:50:24,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:50:24,205 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:50:24,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 10:50:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:50:30,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 4830 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:50:30,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:50:31,250 INFO L134 CoverageAnalysis]: Checked inductivity of 15585 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 15408 trivial. 0 not checked. [2022-11-20 10:50:31,261 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:50:31,262 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:50:31,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427840486] [2022-11-20 10:50:31,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1427840486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:50:31,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:50:31,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:50:31,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497320125] [2022-11-20 10:50:31,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:50:31,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:50:31,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:50:31,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:50:31,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:50:31,266 INFO L87 Difference]: Start difference. First operand 18392 states and 26950 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (67), 3 states have call predecessors, (67), 3 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2022-11-20 10:50:34,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:50:34,239 INFO L93 Difference]: Finished difference Result 52954 states and 77631 transitions. [2022-11-20 10:50:34,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:50:34,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (67), 3 states have call predecessors, (67), 3 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) Word has length 717 [2022-11-20 10:50:34,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:50:34,520 INFO L225 Difference]: With dead ends: 52954 [2022-11-20 10:50:34,520 INFO L226 Difference]: Without dead ends: 34685 [2022-11-20 10:50:34,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 716 GetRequests, 715 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:50:34,650 INFO L413 NwaCegarLoop]: 8415 mSDtfsCounter, 6142 mSDsluCounter, 7021 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6142 SdHoareTripleChecker+Valid, 15436 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:50:34,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6142 Valid, 15436 Invalid, 23 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-20 10:50:34,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34685 states. [2022-11-20 10:50:37,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34685 to 34652. [2022-11-20 10:50:37,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34652 states, 23262 states have (on average 1.3231450434184506) internal successors, (30779), 24140 states have internal predecessors, (30779), 9920 states have call successors, (9920), 1468 states have call predecessors, (9920), 1467 states have return successors, (10107), 9523 states have call predecessors, (10107), 9916 states have call successors, (10107) [2022-11-20 10:50:37,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34652 states to 34652 states and 50806 transitions. [2022-11-20 10:50:37,428 INFO L78 Accepts]: Start accepts. Automaton has 34652 states and 50806 transitions. Word has length 717 [2022-11-20 10:50:37,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:50:37,430 INFO L495 AbstractCegarLoop]: Abstraction has 34652 states and 50806 transitions. [2022-11-20 10:50:37,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (67), 3 states have call predecessors, (67), 3 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2022-11-20 10:50:37,431 INFO L276 IsEmpty]: Start isEmpty. Operand 34652 states and 50806 transitions. [2022-11-20 10:50:37,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2022-11-20 10:50:37,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:50:37,488 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 59, 59, 59, 59, 59, 59, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:50:37,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:50:37,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:50:37,714 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:50:37,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:50:37,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1297571065, now seen corresponding path program 1 times [2022-11-20 10:50:37,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:50:37,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46717243] [2022-11-20 10:50:37,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:50:37,720 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:50:37,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:50:37,722 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:50:37,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 10:50:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:50:44,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 5304 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:50:44,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:50:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 16051 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 15637 trivial. 0 not checked. [2022-11-20 10:50:45,315 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:50:45,315 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:50:45,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [46717243] [2022-11-20 10:50:45,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [46717243] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:50:45,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:50:45,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:50:45,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052131476] [2022-11-20 10:50:45,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:50:45,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:50:45,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:50:45,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:50:45,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:50:45,319 INFO L87 Difference]: Start difference. First operand 34652 states and 50806 transitions. Second operand has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2022-11-20 10:50:47,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:50:49,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:50:54,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:50:57,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:50:57,032 INFO L93 Difference]: Finished difference Result 70231 states and 103860 transitions. [2022-11-20 10:50:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:50:57,033 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 786 [2022-11-20 10:50:57,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:50:57,529 INFO L225 Difference]: With dead ends: 70231 [2022-11-20 10:50:57,530 INFO L226 Difference]: Without dead ends: 47802 [2022-11-20 10:50:57,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 789 GetRequests, 784 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:50:57,646 INFO L413 NwaCegarLoop]: 11902 mSDtfsCounter, 5802 mSDsluCounter, 28397 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1724 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6375 SdHoareTripleChecker+Valid, 40299 SdHoareTripleChecker+Invalid, 1740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1724 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:50:57,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6375 Valid, 40299 Invalid, 1740 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1724 Valid, 13 Invalid, 3 Unknown, 0 Unchecked, 8.8s Time] [2022-11-20 10:50:57,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47802 states. [2022-11-20 10:51:00,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47802 to 34664. [2022-11-20 10:51:00,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34664 states, 23274 states have (on average 1.322978430867062) internal successors, (30791), 24152 states have internal predecessors, (30791), 9920 states have call successors, (9920), 1468 states have call predecessors, (9920), 1467 states have return successors, (10107), 9523 states have call predecessors, (10107), 9916 states have call successors, (10107) [2022-11-20 10:51:00,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34664 states to 34664 states and 50818 transitions. [2022-11-20 10:51:00,865 INFO L78 Accepts]: Start accepts. Automaton has 34664 states and 50818 transitions. Word has length 786 [2022-11-20 10:51:00,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:51:00,867 INFO L495 AbstractCegarLoop]: Abstraction has 34664 states and 50818 transitions. [2022-11-20 10:51:00,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2022-11-20 10:51:00,868 INFO L276 IsEmpty]: Start isEmpty. Operand 34664 states and 50818 transitions. [2022-11-20 10:51:00,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2022-11-20 10:51:00,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:51:00,896 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 59, 59, 59, 59, 59, 59, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:51:00,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:51:01,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:51:01,114 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:51:01,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:51:01,114 INFO L85 PathProgramCache]: Analyzing trace with hash 816490807, now seen corresponding path program 1 times [2022-11-20 10:51:01,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:51:01,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [853246558] [2022-11-20 10:51:01,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:51:01,119 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:51:01,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:51:01,121 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:51:01,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 10:51:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:51:08,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 5304 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:51:08,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:51:08,901 INFO L134 CoverageAnalysis]: Checked inductivity of 16051 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 15830 trivial. 0 not checked. [2022-11-20 10:51:08,902 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:51:08,902 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:51:08,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [853246558] [2022-11-20 10:51:08,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [853246558] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:51:08,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:51:08,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:51:08,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470250958] [2022-11-20 10:51:08,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:51:08,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:51:08,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:51:08,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:51:08,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:51:08,906 INFO L87 Difference]: Start difference. First operand 34664 states and 50818 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (76), 3 states have call predecessors, (76), 3 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) [2022-11-20 10:51:12,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:51:12,833 INFO L93 Difference]: Finished difference Result 74065 states and 108148 transitions. [2022-11-20 10:51:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:51:12,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (76), 3 states have call predecessors, (76), 3 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) Word has length 786 [2022-11-20 10:51:12,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:51:13,133 INFO L225 Difference]: With dead ends: 74065 [2022-11-20 10:51:13,133 INFO L226 Difference]: Without dead ends: 51624 [2022-11-20 10:51:13,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 785 GetRequests, 784 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:51:13,250 INFO L413 NwaCegarLoop]: 13656 mSDtfsCounter, 6616 mSDsluCounter, 7001 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6616 SdHoareTripleChecker+Valid, 20657 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:51:13,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6616 Valid, 20657 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-20 10:51:13,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51624 states. [2022-11-20 10:51:16,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51624 to 51620. [2022-11-20 10:51:16,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51620 states, 34652 states have (on average 1.3238774096733232) internal successors, (45875), 35962 states have internal predecessors, (45875), 14775 states have call successors, (14775), 2191 states have call predecessors, (14775), 2190 states have return successors, (15044), 14186 states have call predecessors, (15044), 14771 states have call successors, (15044) [2022-11-20 10:51:17,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51620 states to 51620 states and 75694 transitions. [2022-11-20 10:51:17,095 INFO L78 Accepts]: Start accepts. Automaton has 51620 states and 75694 transitions. Word has length 786 [2022-11-20 10:51:17,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:51:17,097 INFO L495 AbstractCegarLoop]: Abstraction has 51620 states and 75694 transitions. [2022-11-20 10:51:17,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (76), 3 states have call predecessors, (76), 3 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) [2022-11-20 10:51:17,098 INFO L276 IsEmpty]: Start isEmpty. Operand 51620 states and 75694 transitions. [2022-11-20 10:51:17,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2022-11-20 10:51:17,153 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:51:17,153 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 59, 59, 59, 59, 59, 59, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:51:17,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:51:17,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:51:17,378 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:51:17,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:51:17,378 INFO L85 PathProgramCache]: Analyzing trace with hash -2092273095, now seen corresponding path program 1 times [2022-11-20 10:51:17,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:51:17,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996012101] [2022-11-20 10:51:17,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:51:17,385 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:51:17,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:51:17,386 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:51:17,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 10:51:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:51:24,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 5304 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:51:24,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:51:53,531 INFO L134 CoverageAnalysis]: Checked inductivity of 16051 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16051 trivial. 0 not checked. [2022-11-20 10:51:53,532 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:51:53,532 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:51:53,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1996012101] [2022-11-20 10:51:53,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1996012101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:51:53,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:51:53,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:51:53,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502568666] [2022-11-20 10:51:53,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:51:53,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:51:53,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:51:53,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:51:53,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:51:53,536 INFO L87 Difference]: Start difference. First operand 51620 states and 75694 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 3 states have internal predecessors, (122), 1 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2022-11-20 10:51:56,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:51:56,673 INFO L93 Difference]: Finished difference Result 51626 states and 75699 transitions. [2022-11-20 10:51:56,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:51:56,673 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 3 states have internal predecessors, (122), 1 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) Word has length 786 [2022-11-20 10:51:56,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:51:56,939 INFO L225 Difference]: With dead ends: 51626 [2022-11-20 10:51:56,939 INFO L226 Difference]: Without dead ends: 51624 [2022-11-20 10:51:56,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 787 GetRequests, 782 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:51:56,966 INFO L413 NwaCegarLoop]: 7037 mSDtfsCounter, 6781 mSDsluCounter, 14062 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6782 SdHoareTripleChecker+Valid, 21099 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:51:56,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6782 Valid, 21099 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 10:51:57,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51624 states. [2022-11-20 10:51:59,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51624 to 51624. [2022-11-20 10:52:00,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51624 states, 34655 states have (on average 1.3238493723849372) internal successors, (45878), 35965 states have internal predecessors, (45878), 14775 states have call successors, (14775), 2192 states have call predecessors, (14775), 2191 states have return successors, (15044), 14186 states have call predecessors, (15044), 14771 states have call successors, (15044) [2022-11-20 10:52:00,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51624 states to 51624 states and 75697 transitions. [2022-11-20 10:52:00,340 INFO L78 Accepts]: Start accepts. Automaton has 51624 states and 75697 transitions. Word has length 786 [2022-11-20 10:52:00,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:52:00,341 INFO L495 AbstractCegarLoop]: Abstraction has 51624 states and 75697 transitions. [2022-11-20 10:52:00,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 3 states have internal predecessors, (122), 1 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2022-11-20 10:52:00,341 INFO L276 IsEmpty]: Start isEmpty. Operand 51624 states and 75697 transitions. [2022-11-20 10:52:00,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 792 [2022-11-20 10:52:00,383 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:52:00,383 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 59, 59, 59, 59, 59, 59, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:52:00,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:52:00,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:52:00,606 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:52:00,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:52:00,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1245666478, now seen corresponding path program 1 times [2022-11-20 10:52:00,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:52:00,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499168895] [2022-11-20 10:52:00,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:52:00,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:52:00,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:52:00,613 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:52:00,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 10:52:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:52:07,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 5311 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:52:07,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:52:36,664 INFO L134 CoverageAnalysis]: Checked inductivity of 16053 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16051 trivial. 0 not checked. [2022-11-20 10:52:36,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:52:44,626 INFO L134 CoverageAnalysis]: Checked inductivity of 16053 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16051 trivial. 0 not checked. [2022-11-20 10:52:44,627 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:52:44,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499168895] [2022-11-20 10:52:44,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499168895] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:52:44,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:52:44,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 10:52:44,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628176196] [2022-11-20 10:52:44,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:52:44,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:52:44,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:52:44,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:52:44,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:52:44,630 INFO L87 Difference]: Start difference. First operand 51624 states and 75697 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (76), 3 states have call predecessors, (76), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2022-11-20 10:52:48,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:52:48,378 INFO L93 Difference]: Finished difference Result 51630 states and 75702 transitions. [2022-11-20 10:52:48,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:52:48,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (76), 3 states have call predecessors, (76), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 791 [2022-11-20 10:52:48,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:52:48,593 INFO L225 Difference]: With dead ends: 51630 [2022-11-20 10:52:48,594 INFO L226 Difference]: Without dead ends: 51628 [2022-11-20 10:52:48,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1583 GetRequests, 1575 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:52:48,624 INFO L413 NwaCegarLoop]: 7040 mSDtfsCounter, 6865 mSDsluCounter, 14061 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6875 SdHoareTripleChecker+Valid, 21101 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:52:48,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6875 Valid, 21101 Invalid, 20 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 10:52:48,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51628 states. [2022-11-20 10:52:51,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51628 to 51628. [2022-11-20 10:52:51,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51628 states, 34658 states have (on average 1.3238213399503722) internal successors, (45881), 35968 states have internal predecessors, (45881), 14775 states have call successors, (14775), 2193 states have call predecessors, (14775), 2192 states have return successors, (15044), 14186 states have call predecessors, (15044), 14771 states have call successors, (15044) [2022-11-20 10:52:52,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51628 states to 51628 states and 75700 transitions. [2022-11-20 10:52:52,099 INFO L78 Accepts]: Start accepts. Automaton has 51628 states and 75700 transitions. Word has length 791 [2022-11-20 10:52:52,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:52:52,101 INFO L495 AbstractCegarLoop]: Abstraction has 51628 states and 75700 transitions. [2022-11-20 10:52:52,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (76), 3 states have call predecessors, (76), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2022-11-20 10:52:52,101 INFO L276 IsEmpty]: Start isEmpty. Operand 51628 states and 75700 transitions. [2022-11-20 10:52:52,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 797 [2022-11-20 10:52:52,136 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:52:52,137 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 59, 59, 59, 59, 59, 59, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:52:52,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:52:52,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:52:52,361 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:52:52,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:52:52,362 INFO L85 PathProgramCache]: Analyzing trace with hash -779039975, now seen corresponding path program 1 times [2022-11-20 10:52:52,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:52:52,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [893878550] [2022-11-20 10:52:52,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:52:52,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:52:52,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:52:52,369 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:52:52,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 10:52:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:52:59,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 5318 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:52:59,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:53:29,892 INFO L134 CoverageAnalysis]: Checked inductivity of 16059 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16055 trivial. 0 not checked. [2022-11-20 10:53:29,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:53:37,824 INFO L134 CoverageAnalysis]: Checked inductivity of 16059 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16055 trivial. 0 not checked. [2022-11-20 10:53:37,825 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:53:37,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [893878550] [2022-11-20 10:53:37,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [893878550] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:53:37,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:53:37,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 10:53:37,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321958226] [2022-11-20 10:53:37,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:53:37,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:53:37,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:53:37,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:53:37,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:53:37,829 INFO L87 Difference]: Start difference. First operand 51628 states and 75700 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-11-20 10:53:42,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:53:42,083 INFO L93 Difference]: Finished difference Result 51634 states and 75705 transitions. [2022-11-20 10:53:42,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:53:42,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) Word has length 796 [2022-11-20 10:53:42,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:53:42,284 INFO L225 Difference]: With dead ends: 51634 [2022-11-20 10:53:42,284 INFO L226 Difference]: Without dead ends: 51632 [2022-11-20 10:53:42,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1593 GetRequests, 1585 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:53:42,307 INFO L413 NwaCegarLoop]: 7040 mSDtfsCounter, 6865 mSDsluCounter, 14061 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6874 SdHoareTripleChecker+Valid, 21101 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:53:42,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6874 Valid, 21101 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 10:53:42,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51632 states. [2022-11-20 10:53:45,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51632 to 51632. [2022-11-20 10:53:45,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51632 states, 34661 states have (on average 1.3237933123683678) internal successors, (45884), 35971 states have internal predecessors, (45884), 14775 states have call successors, (14775), 2194 states have call predecessors, (14775), 2193 states have return successors, (15044), 14186 states have call predecessors, (15044), 14771 states have call successors, (15044) [2022-11-20 10:53:46,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51632 states to 51632 states and 75703 transitions. [2022-11-20 10:53:46,208 INFO L78 Accepts]: Start accepts. Automaton has 51632 states and 75703 transitions. Word has length 796 [2022-11-20 10:53:46,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:53:46,209 INFO L495 AbstractCegarLoop]: Abstraction has 51632 states and 75703 transitions. [2022-11-20 10:53:46,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-11-20 10:53:46,210 INFO L276 IsEmpty]: Start isEmpty. Operand 51632 states and 75703 transitions. [2022-11-20 10:53:46,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 802 [2022-11-20 10:53:46,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:53:46,244 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 59, 59, 59, 59, 59, 59, 7, 7, 7, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:53:46,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 10:53:46,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:53:46,458 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:53:46,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:53:46,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1599619250, now seen corresponding path program 1 times [2022-11-20 10:53:46,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:53:46,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820878693] [2022-11-20 10:53:46,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:53:46,463 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:53:46,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:53:46,466 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:53:46,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20decaf6-b701-47ae-9e93-11acc8e40c08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 10:53:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:53:53,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 5325 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:53:53,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:54:23,318 INFO L134 CoverageAnalysis]: Checked inductivity of 16069 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16063 trivial. 0 not checked. [2022-11-20 10:54:23,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:54:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 16069 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16063 trivial. 0 not checked. [2022-11-20 10:54:31,486 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:54:31,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820878693] [2022-11-20 10:54:31,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1820878693] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:54:31,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:54:31,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 10:54:31,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580852540] [2022-11-20 10:54:31,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:54:31,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:54:31,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:54:31,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:54:31,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:54:31,489 INFO L87 Difference]: Start difference. First operand 51632 states and 75703 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (78), 3 states have call predecessors, (78), 1 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76)