./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 --- 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 10:48:23,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:48:23,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:48:23,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:48:23,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:48:23,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:48:23,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:48:23,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:48:23,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:48:23,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:48:23,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:48:23,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:48:23,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:48:23,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:48:23,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:48:24,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:48:24,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:48:24,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:48:24,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:48:24,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:48:24,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:48:24,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:48:24,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:48:24,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:48:24,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:48:24,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:48:24,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:48:24,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:48:24,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:48:24,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:48:24,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:48:24,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:48:24,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:48:24,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:48:24,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:48:24,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:48:24,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:48:24,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:48:24,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:48:24,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:48:24,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:48:24,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:48:24,101 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:48:24,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:48:24,102 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:48:24,102 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:48:24,103 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:48:24,103 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:48:24,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:48:24,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:48:24,104 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:48:24,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:48:24,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:48:24,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:48:24,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:48:24,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:48:24,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:48:24,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:48:24,107 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:48:24,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:48:24,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:48:24,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:48:24,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:48:24,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:48:24,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:48:24,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:48:24,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:48:24,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:48:24,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:48:24,109 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:48:24,110 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:48:24,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:48:24,110 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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 [2022-11-20 10:48:24,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:48:24,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:48:24,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:48:24,408 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:48:24,408 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:48:24,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2022-11-20 10:48:27,440 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:48:28,188 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:48:28,189 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2022-11-20 10:48:28,252 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/data/8211e66ab/fb91c2389249421e8a5289bb78e25d3a/FLAG6b110ffcc [2022-11-20 10:48:28,270 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/data/8211e66ab/fb91c2389249421e8a5289bb78e25d3a [2022-11-20 10:48:28,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:48:28,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:48:28,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:48:28,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:48:28,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:48:28,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:28" (1/1) ... [2022-11-20 10:48:28,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301f0962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:28, skipping insertion in model container [2022-11-20 10:48:28,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:28" (1/1) ... [2022-11-20 10:48:28,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:48:28,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:48:29,462 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 10:48:29,471 INFO L158 Benchmark]: Toolchain (without parser) took 1191.21ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 98.2MB in the beginning and 121.1MB in the end (delta: -23.0MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2022-11-20 10:48:29,472 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 163.6MB. Free memory was 107.8MB in the beginning and 107.6MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:48:29,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1189.00ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 98.2MB in the beginning and 121.1MB in the end (delta: -23.0MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2022-11-20 10:48:29,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 163.6MB. Free memory was 107.8MB in the beginning and 107.6MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1189.00ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 98.2MB in the beginning and 121.1MB in the end (delta: -23.0MB). Peak memory consumption was 45.7MB. 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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 --- 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 10:48:31,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:48:31,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:48:31,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:48:31,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:48:31,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:48:31,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:48:31,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:48:31,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:48:31,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:48:31,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:48:31,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:48:31,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:48:31,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:48:31,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:48:31,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:48:31,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:48:31,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:48:31,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:48:31,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:48:31,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:48:31,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:48:31,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:48:31,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:48:31,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:48:31,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:48:31,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:48:31,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:48:31,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:48:31,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:48:31,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:48:31,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:48:31,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:48:31,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:48:31,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:48:31,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:48:31,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:48:31,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:48:31,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:48:31,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:48:31,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:48:31,831 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:48:31,863 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:48:31,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:48:31,864 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:48:31,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:48:31,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:48:31,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:48:31,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:48:31,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:48:31,866 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:48:31,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:48:31,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:48:31,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:48:31,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:48:31,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:48:31,867 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:48:31,867 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:48:31,867 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:48:31,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:48:31,868 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:48:31,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:48:31,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:48:31,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:48:31,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:48:31,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:48:31,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:48:31,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:48:31,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:48:31,870 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:48:31,870 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:48:31,870 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:48:31,870 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:48:31,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:48:31,871 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:48:31,871 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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 [2022-11-20 10:48:32,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:48:32,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:48:32,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:48:32,273 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:48:32,273 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:48:32,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2022-11-20 10:48:35,376 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:48:36,205 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:48:36,205 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2022-11-20 10:48:36,294 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/data/68ba3fd63/5ccdc4d7d12543fea158d68634d3023b/FLAG832f8b7f8 [2022-11-20 10:48:36,314 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/data/68ba3fd63/5ccdc4d7d12543fea158d68634d3023b [2022-11-20 10:48:36,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:48:36,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:48:36,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:48:36,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:48:36,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:48:36,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:36" (1/1) ... [2022-11-20 10:48:36,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b85a537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:36, skipping insertion in model container [2022-11-20 10:48:36,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:36" (1/1) ... [2022-11-20 10:48:36,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:48:36,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:48:39,763 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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470736,470749] [2022-11-20 10:48:39,767 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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470902,470915] [2022-11-20 10:48:39,768 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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471066,471079] [2022-11-20 10:48:39,768 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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471231,471244] [2022-11-20 10:48:39,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:48:39,857 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 10:48:39,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:48:40,483 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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470736,470749] [2022-11-20 10:48:40,484 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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470902,470915] [2022-11-20 10:48:40,484 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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471066,471079] [2022-11-20 10:48:40,485 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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471231,471244] [2022-11-20 10:48:40,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:48:40,525 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:48:41,267 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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470736,470749] [2022-11-20 10:48:41,267 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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470902,470915] [2022-11-20 10:48:41,272 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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471066,471079] [2022-11-20 10:48:41,272 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_52892496-1a7f-4fc4-a18e-300ffbdc1edb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471231,471244] [2022-11-20 10:48:41,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:48:41,448 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:48:41,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:41 WrapperNode [2022-11-20 10:48:41,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:48:41,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:48:41,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:48:41,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:48:41,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:41" (1/1) ... [2022-11-20 10:48:41,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:41" (1/1) ... [2022-11-20 10:48:41,910 INFO L138 Inliner]: procedures = 425, calls = 4574, calls flagged for inlining = 226, calls inlined = 200, statements flattened = 9058 [2022-11-20 10:48:41,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:48:41,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:48:41,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:48:41,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:48:41,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:41" (1/1) ... [2022-11-20 10:48:41,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:41" (1/1) ... [2022-11-20 10:48:41,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:41" (1/1) ... [2022-11-20 10:48:41,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:41" (1/1) ... [2022-11-20 10:48:42,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:41" (1/1) ... [2022-11-20 10:48:42,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:41" (1/1) ... [2022-11-20 10:48:42,246 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:41" (1/1) ... [2022-11-20 10:48:42,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:41" (1/1) ... [2022-11-20 10:48:42,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:48:42,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:48:42,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:48:42,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:48:42,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:41" (1/1) ... [2022-11-20 10:48:42,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:48:42,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:42,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:48:42,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:48:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-11-20 10:48:42,392 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-11-20 10:48:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-11-20 10:48:42,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-11-20 10:48:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-11-20 10:48:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-11-20 10:48:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-11-20 10:48:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-11-20 10:48:42,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 10:48:42,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 10:48:42,394 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-11-20 10:48:42,394 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-11-20 10:48:42,395 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-11-20 10:48:42,395 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-11-20 10:48:42,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 10:48:42,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 10:48:42,395 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-11-20 10:48:42,396 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-11-20 10:48:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-11-20 10:48:42,397 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-11-20 10:48:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-11-20 10:48:42,398 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-11-20 10:48:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-11-20 10:48:42,398 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-11-20 10:48:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-11-20 10:48:42,399 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-11-20 10:48:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-11-20 10:48:42,399 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-11-20 10:48:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-11-20 10:48:42,399 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-11-20 10:48:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 10:48:42,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 10:48:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-11-20 10:48:42,400 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-11-20 10:48:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 10:48:42,400 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 10:48:42,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 10:48:42,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 10:48:42,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-20 10:48:42,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-20 10:48:42,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:48:42,402 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-11-20 10:48:42,402 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-11-20 10:48:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-11-20 10:48:42,403 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-11-20 10:48:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 10:48:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 10:48:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 10:48:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 10:48:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-11-20 10:48:42,404 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-11-20 10:48:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-20 10:48:42,405 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-20 10:48:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 10:48:42,405 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 10:48:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-11-20 10:48:42,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-11-20 10:48:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-11-20 10:48:42,406 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-11-20 10:48:42,407 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-11-20 10:48:42,407 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-11-20 10:48:42,407 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-11-20 10:48:42,407 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-11-20 10:48:42,407 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-11-20 10:48:42,408 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-11-20 10:48:42,408 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-11-20 10:48:42,408 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-11-20 10:48:42,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 10:48:42,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 10:48:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-11-20 10:48:42,409 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-11-20 10:48:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-11-20 10:48:42,410 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-11-20 10:48:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-11-20 10:48:42,410 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-11-20 10:48:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 10:48:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 10:48:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 10:48:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 10:48:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-11-20 10:48:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-11-20 10:48:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2022-11-20 10:48:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2022-11-20 10:48:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-11-20 10:48:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-11-20 10:48:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-11-20 10:48:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-11-20 10:48:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:48:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-11-20 10:48:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-11-20 10:48:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-11-20 10:48:42,414 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-11-20 10:48:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 10:48:42,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 10:48:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-11-20 10:48:42,415 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-11-20 10:48:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-20 10:48:42,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-20 10:48:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:48:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-11-20 10:48:42,416 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-11-20 10:48:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 10:48:42,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 10:48:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-11-20 10:48:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-11-20 10:48:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:48:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 10:48:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 10:48:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-11-20 10:48:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-11-20 10:48:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 10:48:42,424 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-11-20 10:48:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-11-20 10:48:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-11-20 10:48:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-11-20 10:48:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-11-20 10:48:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-11-20 10:48:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-20 10:48:42,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-20 10:48:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-11-20 10:48:42,432 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-11-20 10:48:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-20 10:48:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-20 10:48:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 10:48:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 10:48:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 10:48:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:48:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:48:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 10:48:42,434 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 10:48:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-20 10:48:42,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-20 10:48:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 10:48:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 10:48:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 10:48:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 10:48:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 10:48:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 10:48:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 10:48:42,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 10:48:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-11-20 10:48:42,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-11-20 10:48:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-20 10:48:42,436 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-20 10:48:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-11-20 10:48:42,436 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-11-20 10:48:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 10:48:42,437 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 10:48:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-11-20 10:48:42,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-11-20 10:48:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-20 10:48:42,437 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-20 10:48:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-11-20 10:48:42,438 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-11-20 10:48:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-11-20 10:48:42,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-11-20 10:48:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-11-20 10:48:42,439 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-11-20 10:48:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-11-20 10:48:42,439 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-11-20 10:48:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 10:48:42,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 10:48:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-20 10:48:42,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-20 10:48:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-20 10:48:42,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-20 10:48:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:48:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 10:48:42,440 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 10:48:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-11-20 10:48:42,441 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-11-20 10:48:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:48:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-11-20 10:48:42,441 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-11-20 10:48:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-11-20 10:48:42,442 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-11-20 10:48:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-11-20 10:48:42,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-11-20 10:48:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 10:48:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 10:48:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 10:48:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-11-20 10:48:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-11-20 10:48:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 10:48:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:48:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-11-20 10:48:42,445 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-11-20 10:48:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 10:48:42,445 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 10:48:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-11-20 10:48:42,445 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-11-20 10:48:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 10:48:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 10:48:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-11-20 10:48:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-11-20 10:48:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 10:48:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 10:48:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-20 10:48:42,447 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-20 10:48:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-11-20 10:48:42,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-11-20 10:48:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-20 10:48:42,447 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-20 10:48:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 10:48:42,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 10:48:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-11-20 10:48:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-11-20 10:48:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-20 10:48:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-20 10:48:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-11-20 10:48:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-11-20 10:48:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 10:48:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 10:48:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-11-20 10:48:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-11-20 10:48:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 10:48:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 10:48:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-20 10:48:42,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-20 10:48:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-11-20 10:48:42,450 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-11-20 10:48:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-11-20 10:48:42,450 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-11-20 10:48:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-11-20 10:48:42,451 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-11-20 10:48:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-11-20 10:48:42,451 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-11-20 10:48:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 10:48:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 10:48:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 10:48:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 10:48:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 10:48:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 10:48:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2022-11-20 10:48:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2022-11-20 10:48:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-11-20 10:48:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-11-20 10:48:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-20 10:48:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-20 10:48:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-20 10:48:42,458 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-20 10:48:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-11-20 10:48:42,459 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-11-20 10:48:42,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 10:48:42,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 10:48:42,459 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-20 10:48:42,459 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-20 10:48:42,459 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-11-20 10:48:42,460 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-11-20 10:48:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-11-20 10:48:42,460 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-11-20 10:48:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-11-20 10:48:42,460 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-11-20 10:48:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-11-20 10:48:42,460 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-11-20 10:48:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-11-20 10:48:42,461 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-11-20 10:48:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-20 10:48:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-20 10:48:42,461 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-20 10:48:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-11-20 10:48:42,462 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-11-20 10:48:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 10:48:42,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 10:48:43,881 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:48:43,885 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:48:51,342 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 10:50:51,901 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 10:50:57,458 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:50:57,478 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:50:57,478 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:50:57,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:50:57 BoogieIcfgContainer [2022-11-20 10:50:57,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:50:57,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:50:57,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:50:57,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:50:57,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:48:36" (1/3) ... [2022-11-20 10:50:57,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@203ce2ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:50:57, skipping insertion in model container [2022-11-20 10:50:57,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:41" (2/3) ... [2022-11-20 10:50:57,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@203ce2ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:50:57, skipping insertion in model container [2022-11-20 10:50:57,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:50:57" (3/3) ... [2022-11-20 10:50:57,492 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2022-11-20 10:50:57,511 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:50:57,511 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-20 10:50:57,620 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:50:57,632 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;@57b1c12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:50:57,632 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-20 10:50:57,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 2641 states, 1843 states have (on average 1.3049376017362995) internal successors, (2405), 1847 states have internal predecessors, (2405), 680 states have call successors, (680), 116 states have call predecessors, (680), 115 states have return successors, (672), 672 states have call predecessors, (672), 672 states have call successors, (672) [2022-11-20 10:50:57,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-11-20 10:50:57,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:50:57,703 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:50:57,704 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:50:57,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:50:57,710 INFO L85 PathProgramCache]: Analyzing trace with hash -463460498, now seen corresponding path program 1 times [2022-11-20 10:50:57,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:50:57,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852203439] [2022-11-20 10:50:57,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:50:57,735 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 10:50:57,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:50:57,746 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:50:57,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:51:01,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 4104 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:51:01,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:51:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-11-20 10:51:02,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:51:02,564 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:51:02,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852203439] [2022-11-20 10:51:02,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852203439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:51:02,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:51:02,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:51:02,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436672270] [2022-11-20 10:51:02,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:51:02,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:51:02,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:51:02,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:51:02,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:51:02,615 INFO L87 Difference]: Start difference. First operand has 2641 states, 1843 states have (on average 1.3049376017362995) internal successors, (2405), 1847 states have internal predecessors, (2405), 680 states have call successors, (680), 116 states have call predecessors, (680), 115 states have return successors, (672), 672 states have call predecessors, (672), 672 states have call successors, (672) Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-20 10:51:04,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:51:04,210 INFO L93 Difference]: Finished difference Result 7648 states and 11210 transitions. [2022-11-20 10:51:04,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:51:04,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 430 [2022-11-20 10:51:04,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:51:04,329 INFO L225 Difference]: With dead ends: 7648 [2022-11-20 10:51:04,330 INFO L226 Difference]: Without dead ends: 5072 [2022-11-20 10:51:04,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:51:04,363 INFO L413 NwaCegarLoop]: 4358 mSDtfsCounter, 3503 mSDsluCounter, 3673 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3503 SdHoareTripleChecker+Valid, 8031 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:51:04,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3503 Valid, 8031 Invalid, 64 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-20 10:51:04,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5072 states. [2022-11-20 10:51:04,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5072 to 5068. [2022-11-20 10:51:04,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5068 states, 3561 states have (on average 1.304689693906206) internal successors, (4646), 3568 states have internal predecessors, (4646), 1278 states have call successors, (1278), 227 states have call predecessors, (1278), 226 states have return successors, (1274), 1274 states have call predecessors, (1274), 1274 states have call successors, (1274) [2022-11-20 10:51:04,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5068 states to 5068 states and 7198 transitions. [2022-11-20 10:51:04,768 INFO L78 Accepts]: Start accepts. Automaton has 5068 states and 7198 transitions. Word has length 430 [2022-11-20 10:51:04,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:51:04,773 INFO L495 AbstractCegarLoop]: Abstraction has 5068 states and 7198 transitions. [2022-11-20 10:51:04,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-20 10:51:04,773 INFO L276 IsEmpty]: Start isEmpty. Operand 5068 states and 7198 transitions. [2022-11-20 10:51:04,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2022-11-20 10:51:04,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:51:04,795 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:51:04,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:05,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:05,023 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:51:05,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:51:05,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1674306684, now seen corresponding path program 1 times [2022-11-20 10:51:05,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:51:05,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [73452160] [2022-11-20 10:51:05,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:51:05,031 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 10:51:05,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:51:05,032 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:05,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:51:09,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 4345 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:51:09,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:51:09,786 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-11-20 10:51:09,786 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:51:09,787 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:51:09,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [73452160] [2022-11-20 10:51:09,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [73452160] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:51:09,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:51:09,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:51:09,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796313150] [2022-11-20 10:51:09,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:51:09,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:51:09,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:51:09,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:51:09,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:51:09,791 INFO L87 Difference]: Start difference. First operand 5068 states and 7198 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-20 10:51:11,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:51:11,400 INFO L93 Difference]: Finished difference Result 12464 states and 17680 transitions. [2022-11-20 10:51:11,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:51:11,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 451 [2022-11-20 10:51:11,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:51:11,466 INFO L225 Difference]: With dead ends: 12464 [2022-11-20 10:51:11,466 INFO L226 Difference]: Without dead ends: 7473 [2022-11-20 10:51:11,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:51:11,497 INFO L413 NwaCegarLoop]: 4338 mSDtfsCounter, 3476 mSDsluCounter, 3665 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3476 SdHoareTripleChecker+Valid, 8003 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:51:11,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3476 Valid, 8003 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-20 10:51:11,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7473 states. [2022-11-20 10:51:11,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7473 to 7454. [2022-11-20 10:51:12,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7454 states, 5253 states have (on average 1.3036360175138015) internal successors, (6848), 5266 states have internal predecessors, (6848), 1856 states have call successors, (1856), 343 states have call predecessors, (1856), 342 states have return successors, (1852), 1847 states have call predecessors, (1852), 1852 states have call successors, (1852) [2022-11-20 10:51:12,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7454 states to 7454 states and 10556 transitions. [2022-11-20 10:51:12,071 INFO L78 Accepts]: Start accepts. Automaton has 7454 states and 10556 transitions. Word has length 451 [2022-11-20 10:51:12,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:51:12,072 INFO L495 AbstractCegarLoop]: Abstraction has 7454 states and 10556 transitions. [2022-11-20 10:51:12,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-20 10:51:12,074 INFO L276 IsEmpty]: Start isEmpty. Operand 7454 states and 10556 transitions. [2022-11-20 10:51:12,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2022-11-20 10:51:12,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:51:12,088 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:51:12,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:12,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:12,303 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:51:12,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:51:12,304 INFO L85 PathProgramCache]: Analyzing trace with hash 683945947, now seen corresponding path program 1 times [2022-11-20 10:51:12,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:51:12,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410727467] [2022-11-20 10:51:12,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:51:12,316 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 10:51:12,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:51:12,317 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:12,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:51:16,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 4346 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:51:16,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:51:16,936 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-11-20 10:51:16,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:51:16,936 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:51:16,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410727467] [2022-11-20 10:51:16,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [410727467] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:51:16,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:51:16,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:51:16,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884399655] [2022-11-20 10:51:16,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:51:16,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:51:16,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:51:16,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:51:16,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:51:16,939 INFO L87 Difference]: Start difference. First operand 7454 states and 10556 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-20 10:51:19,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:51:19,044 INFO L93 Difference]: Finished difference Result 19624 states and 27766 transitions. [2022-11-20 10:51:19,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:51:19,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 452 [2022-11-20 10:51:19,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:51:19,115 INFO L225 Difference]: With dead ends: 19624 [2022-11-20 10:51:19,116 INFO L226 Difference]: Without dead ends: 12247 [2022-11-20 10:51:19,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:51:19,150 INFO L413 NwaCegarLoop]: 4409 mSDtfsCounter, 3476 mSDsluCounter, 3666 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3476 SdHoareTripleChecker+Valid, 8075 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:51:19,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3476 Valid, 8075 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 10:51:19,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12247 states. [2022-11-20 10:51:19,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12247 to 12226. [2022-11-20 10:51:19,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12226 states, 8637 states have (on average 1.3027671645247192) internal successors, (11252), 8662 states have internal predecessors, (11252), 3012 states have call successors, (3012), 575 states have call predecessors, (3012), 574 states have return successors, (3008), 2993 states have call predecessors, (3008), 3008 states have call successors, (3008) [2022-11-20 10:51:20,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12226 states to 12226 states and 17272 transitions. [2022-11-20 10:51:20,108 INFO L78 Accepts]: Start accepts. Automaton has 12226 states and 17272 transitions. Word has length 452 [2022-11-20 10:51:20,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:51:20,108 INFO L495 AbstractCegarLoop]: Abstraction has 12226 states and 17272 transitions. [2022-11-20 10:51:20,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-20 10:51:20,109 INFO L276 IsEmpty]: Start isEmpty. Operand 12226 states and 17272 transitions. [2022-11-20 10:51:20,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-11-20 10:51:20,121 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:51:20,122 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:51:20,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:20,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:20,343 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:51:20,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:51:20,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1715672039, now seen corresponding path program 1 times [2022-11-20 10:51:20,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:51:20,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1543168217] [2022-11-20 10:51:20,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:51:20,355 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 10:51:20,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:51:20,356 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:20,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:51:24,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 4347 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:51:24,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:51:24,965 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-11-20 10:51:24,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:51:24,966 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:51:24,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1543168217] [2022-11-20 10:51:24,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1543168217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:51:24,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:51:24,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:51:24,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140792503] [2022-11-20 10:51:24,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:51:24,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:51:24,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:51:24,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:51:24,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:51:24,971 INFO L87 Difference]: Start difference. First operand 12226 states and 17272 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-20 10:51:27,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:51:27,880 INFO L93 Difference]: Finished difference Result 33384 states and 47164 transitions. [2022-11-20 10:51:27,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:51:27,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 453 [2022-11-20 10:51:27,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:51:28,010 INFO L225 Difference]: With dead ends: 33384 [2022-11-20 10:51:28,010 INFO L226 Difference]: Without dead ends: 21235 [2022-11-20 10:51:28,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 451 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:51:28,068 INFO L413 NwaCegarLoop]: 4798 mSDtfsCounter, 3476 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3476 SdHoareTripleChecker+Valid, 8465 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:51:28,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3476 Valid, 8465 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 10:51:28,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21235 states. [2022-11-20 10:51:29,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21235 to 21212. [2022-11-20 10:51:29,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21212 states, 15009 states have (on average 1.3026850556332867) internal successors, (19552), 15058 states have internal predecessors, (19552), 5192 states have call successors, (5192), 1009 states have call predecessors, (5192), 1008 states have return successors, (5188), 5153 states have call predecessors, (5188), 5188 states have call successors, (5188) [2022-11-20 10:51:29,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21212 states to 21212 states and 29932 transitions. [2022-11-20 10:51:29,646 INFO L78 Accepts]: Start accepts. Automaton has 21212 states and 29932 transitions. Word has length 453 [2022-11-20 10:51:29,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:51:29,649 INFO L495 AbstractCegarLoop]: Abstraction has 21212 states and 29932 transitions. [2022-11-20 10:51:29,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-20 10:51:29,649 INFO L276 IsEmpty]: Start isEmpty. Operand 21212 states and 29932 transitions. [2022-11-20 10:51:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-11-20 10:51:29,661 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:51:29,662 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:51:29,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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)] Ended with exit code 0 [2022-11-20 10:51:29,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:29,887 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:51:29,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:51:29,888 INFO L85 PathProgramCache]: Analyzing trace with hash -364600275, now seen corresponding path program 1 times [2022-11-20 10:51:29,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:51:29,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1942379601] [2022-11-20 10:51:29,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:51:29,893 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 10:51:29,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:51:29,895 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:29,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:51:33,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 4268 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:51:33,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:51:34,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-11-20 10:51:34,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:51:34,505 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:51:34,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1942379601] [2022-11-20 10:51:34,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1942379601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:51:34,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:51:34,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:51:34,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103280898] [2022-11-20 10:51:34,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:51:34,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:51:34,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:51:34,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:51:34,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:51:34,508 INFO L87 Difference]: Start difference. First operand 21212 states and 29932 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (45), 3 states have call predecessors, (45), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-11-20 10:51:37,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:51:37,155 INFO L93 Difference]: Finished difference Result 61858 states and 87333 transitions. [2022-11-20 10:51:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:51:37,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (45), 3 states have call predecessors, (45), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 457 [2022-11-20 10:51:37,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:51:37,357 INFO L225 Difference]: With dead ends: 61858 [2022-11-20 10:51:37,357 INFO L226 Difference]: Without dead ends: 40723 [2022-11-20 10:51:37,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:51:37,435 INFO L413 NwaCegarLoop]: 4591 mSDtfsCounter, 3424 mSDsluCounter, 3683 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3424 SdHoareTripleChecker+Valid, 8274 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:51:37,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3424 Valid, 8274 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 10:51:37,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40723 states. [2022-11-20 10:51:40,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40723 to 40688. [2022-11-20 10:51:40,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40688 states, 28846 states have (on average 1.3027802814948346) internal successors, (37580), 28960 states have internal predecessors, (37580), 9902 states have call successors, (9902), 1938 states have call predecessors, (9902), 1937 states have return successors, (9898), 9807 states have call predecessors, (9898), 9898 states have call successors, (9898) [2022-11-20 10:51:40,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40688 states to 40688 states and 57380 transitions. [2022-11-20 10:51:41,007 INFO L78 Accepts]: Start accepts. Automaton has 40688 states and 57380 transitions. Word has length 457 [2022-11-20 10:51:41,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:51:41,008 INFO L495 AbstractCegarLoop]: Abstraction has 40688 states and 57380 transitions. [2022-11-20 10:51:41,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (45), 3 states have call predecessors, (45), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-11-20 10:51:41,008 INFO L276 IsEmpty]: Start isEmpty. Operand 40688 states and 57380 transitions. [2022-11-20 10:51:41,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2022-11-20 10:51:41,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:51:41,035 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:51:41,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:41,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:41,259 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:51:41,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:51:41,260 INFO L85 PathProgramCache]: Analyzing trace with hash 418966435, now seen corresponding path program 1 times [2022-11-20 10:51:41,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:51:41,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [769115304] [2022-11-20 10:51:41,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:51:41,267 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 10:51:41,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:51:41,268 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:41,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:51:45,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 4364 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:51:45,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:51:45,985 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-11-20 10:51:45,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:51:45,985 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:51:45,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [769115304] [2022-11-20 10:51:45,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [769115304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:51:45,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:51:45,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:51:45,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269898373] [2022-11-20 10:51:45,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:51:45,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:51:45,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:51:45,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:51:45,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:51:45,987 INFO L87 Difference]: Start difference. First operand 40688 states and 57380 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 10:51:49,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:51:49,902 INFO L93 Difference]: Finished difference Result 98418 states and 137741 transitions. [2022-11-20 10:51:49,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:51:49,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 467 [2022-11-20 10:51:49,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:51:50,254 INFO L225 Difference]: With dead ends: 98418 [2022-11-20 10:51:50,254 INFO L226 Difference]: Without dead ends: 57807 [2022-11-20 10:51:50,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 465 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 10:51:50,410 INFO L413 NwaCegarLoop]: 4258 mSDtfsCounter, 2042 mSDsluCounter, 3632 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2042 SdHoareTripleChecker+Valid, 7890 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:51:50,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2042 Valid, 7890 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-20 10:51:50,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57807 states. [2022-11-20 10:51:54,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57807 to 57758. [2022-11-20 10:51:54,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57758 states, 41260 states have (on average 1.29449830344159) internal successors, (53411), 41496 states have internal predecessors, (53411), 13428 states have call successors, (13428), 3068 states have call predecessors, (13428), 3067 states have return successors, (13424), 13209 states have call predecessors, (13424), 13424 states have call successors, (13424) [2022-11-20 10:51:54,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57758 states to 57758 states and 80263 transitions. [2022-11-20 10:51:54,650 INFO L78 Accepts]: Start accepts. Automaton has 57758 states and 80263 transitions. Word has length 467 [2022-11-20 10:51:54,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:51:54,651 INFO L495 AbstractCegarLoop]: Abstraction has 57758 states and 80263 transitions. [2022-11-20 10:51:54,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 10:51:54,651 INFO L276 IsEmpty]: Start isEmpty. Operand 57758 states and 80263 transitions. [2022-11-20 10:51:54,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-11-20 10:51:54,657 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:51:54,657 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 36, 36, 36, 36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:51:54,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:54,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:54,879 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:51:54,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:51:54,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1840545423, now seen corresponding path program 1 times [2022-11-20 10:51:54,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:51:54,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606968883] [2022-11-20 10:51:54,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:51:54,886 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 10:51:54,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:51:54,887 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:54,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52892496-1a7f-4fc4-a18e-300ffbdc1edb/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 10:51:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:51:58,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 4309 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:51:58,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:51:59,398 INFO L134 CoverageAnalysis]: Checked inductivity of 5903 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-11-20 10:51:59,399 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:51:59,399 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:51:59,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606968883] [2022-11-20 10:51:59,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [606968883] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:51:59,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:51:59,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:51:59,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491540728] [2022-11-20 10:51:59,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:51:59,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:51:59,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:51:59,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:51:59,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:51:59,402 INFO L87 Difference]: Start difference. First operand 57758 states and 80263 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 10:52:05,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:52:05,204 INFO L93 Difference]: Finished difference Result 170781 states and 237608 transitions. [2022-11-20 10:52:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:52:05,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 484 [2022-11-20 10:52:05,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:52:05,784 INFO L225 Difference]: With dead ends: 170781 [2022-11-20 10:52:05,785 INFO L226 Difference]: Without dead ends: 113100 [2022-11-20 10:52:06,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:52:06,071 INFO L413 NwaCegarLoop]: 7036 mSDtfsCounter, 3579 mSDsluCounter, 3702 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3579 SdHoareTripleChecker+Valid, 10738 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:52:06,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3579 Valid, 10738 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 10:52:06,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113100 states.