./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 --- 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 12:47:31,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:47:31,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:47:31,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:47:31,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:47:31,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:47:31,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:47:31,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:47:31,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:47:31,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:47:31,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:47:31,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:47:31,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:47:31,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:47:31,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:47:31,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:47:31,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:47:31,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:47:31,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:47:31,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:47:31,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:47:31,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:47:31,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:47:31,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:47:31,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:47:31,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:47:31,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:47:31,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:47:31,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:47:31,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:47:31,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:47:31,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:47:31,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:47:31,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:47:31,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:47:31,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:47:31,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:47:31,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:47:31,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:47:31,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:47:31,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:47:31,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 12:47:31,358 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:47:31,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:47:31,360 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:47:31,360 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:47:31,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:47:31,361 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:47:31,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:47:31,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:47:31,362 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:47:31,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:47:31,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:47:31,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:47:31,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:47:31,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:47:31,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:47:31,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:47:31,365 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:47:31,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:47:31,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:47:31,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:47:31,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:47:31,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:47:31,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:47:31,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:47:31,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:47:31,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:47:31,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:47:31,367 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:47:31,368 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:47:31,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:47:31,369 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_e5e8cc84-90b2-4040-a060-1f388fa535b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2022-11-20 12:47:31,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:47:31,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:47:31,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:47:31,679 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:47:31,680 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:47:31,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-20 12:47:34,749 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:47:35,466 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:47:35,467 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-20 12:47:35,531 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/data/7bf8dc3eb/842f0cae57204c908742cd2eccff5bed/FLAGd4b1fcf5e [2022-11-20 12:47:35,553 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/data/7bf8dc3eb/842f0cae57204c908742cd2eccff5bed [2022-11-20 12:47:35,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:47:35,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:47:35,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:47:35,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:47:35,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:47:35,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:47:35" (1/1) ... [2022-11-20 12:47:35,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353a0dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:35, skipping insertion in model container [2022-11-20 12:47:35,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:47:35" (1/1) ... [2022-11-20 12:47:35,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:47:35,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:47:36,468 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 12:47:36,474 INFO L158 Benchmark]: Toolchain (without parser) took 914.89ms. Allocated memory is still 151.0MB. Free memory was 101.0MB in the beginning and 71.2MB in the end (delta: 29.8MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2022-11-20 12:47:36,475 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:47:36,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 912.43ms. Allocated memory is still 151.0MB. Free memory was 100.7MB in the beginning and 71.2MB in the end (delta: 29.5MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2022-11-20 12:47:36,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 912.43ms. Allocated memory is still 151.0MB. Free memory was 100.7MB in the beginning and 71.2MB in the end (delta: 29.5MB). Peak memory consumption was 40.2MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 --- 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 12:47:38,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:47:38,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:47:38,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:47:38,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:47:38,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:47:38,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:47:38,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:47:38,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:47:38,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:47:38,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:47:38,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:47:38,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:47:38,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:47:38,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:47:38,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:47:38,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:47:38,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:47:38,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:47:38,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:47:38,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:47:38,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:47:38,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:47:38,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:47:38,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:47:38,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:47:38,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:47:38,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:47:38,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:47:38,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:47:38,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:47:38,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:47:38,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:47:38,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:47:38,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:47:38,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:47:38,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:47:38,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:47:38,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:47:38,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:47:38,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:47:38,933 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 12:47:38,974 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:47:38,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:47:38,976 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:47:38,976 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:47:38,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:47:38,978 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:47:38,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:47:38,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:47:38,979 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:47:38,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:47:38,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:47:38,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:47:38,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:47:38,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:47:38,981 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:47:38,981 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:47:38,981 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:47:38,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:47:38,982 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:47:38,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:47:38,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:47:38,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:47:38,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:47:38,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:47:38,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:47:38,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:47:38,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:47:38,984 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:47:38,984 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:47:38,984 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:47:38,984 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:47:38,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:47:38,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:47:38,985 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_e5e8cc84-90b2-4040-a060-1f388fa535b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2022-11-20 12:47:39,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:47:39,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:47:39,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:47:39,405 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:47:39,405 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:47:39,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-20 12:47:42,606 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:47:43,395 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:47:43,396 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-20 12:47:43,459 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/data/792c58809/9fd359bbb28946ba8c480ef95aca48d2/FLAG4ec29cd48 [2022-11-20 12:47:43,484 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/data/792c58809/9fd359bbb28946ba8c480ef95aca48d2 [2022-11-20 12:47:43,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:47:43,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:47:43,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:47:43,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:47:43,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:47:43,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:47:43" (1/1) ... [2022-11-20 12:47:43,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a09d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:43, skipping insertion in model container [2022-11-20 12:47:43,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:47:43" (1/1) ... [2022-11-20 12:47:43,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:47:43,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:47:48,117 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_e5e8cc84-90b2-4040-a060-1f388fa535b3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-11-20 12:47:48,135 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_e5e8cc84-90b2-4040-a060-1f388fa535b3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-11-20 12:47:48,136 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_e5e8cc84-90b2-4040-a060-1f388fa535b3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-11-20 12:47:48,136 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_e5e8cc84-90b2-4040-a060-1f388fa535b3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-11-20 12:47:48,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:47:48,199 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 12:47:48,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:47:48,739 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_e5e8cc84-90b2-4040-a060-1f388fa535b3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-11-20 12:47:48,740 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_e5e8cc84-90b2-4040-a060-1f388fa535b3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-11-20 12:47:48,740 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_e5e8cc84-90b2-4040-a060-1f388fa535b3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-11-20 12:47:48,741 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_e5e8cc84-90b2-4040-a060-1f388fa535b3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-11-20 12:47:48,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:47:48,787 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:47:49,494 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_e5e8cc84-90b2-4040-a060-1f388fa535b3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-11-20 12:47:49,495 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_e5e8cc84-90b2-4040-a060-1f388fa535b3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-11-20 12:47:49,495 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_e5e8cc84-90b2-4040-a060-1f388fa535b3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-11-20 12:47:49,496 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_e5e8cc84-90b2-4040-a060-1f388fa535b3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-11-20 12:47:49,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:47:49,853 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:47:49,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:49 WrapperNode [2022-11-20 12:47:49,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:47:49,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:47:49,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:47:49,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:47:49,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:49" (1/1) ... [2022-11-20 12:47:49,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:49" (1/1) ... [2022-11-20 12:47:50,220 INFO L138 Inliner]: procedures = 640, calls = 3468, calls flagged for inlining = 312, calls inlined = 276, statements flattened = 7688 [2022-11-20 12:47:50,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:47:50,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:47:50,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:47:50,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:47:50,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:49" (1/1) ... [2022-11-20 12:47:50,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:49" (1/1) ... [2022-11-20 12:47:50,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:49" (1/1) ... [2022-11-20 12:47:50,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:49" (1/1) ... [2022-11-20 12:47:50,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:49" (1/1) ... [2022-11-20 12:47:50,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:49" (1/1) ... [2022-11-20 12:47:50,648 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:49" (1/1) ... [2022-11-20 12:47:50,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:49" (1/1) ... [2022-11-20 12:47:50,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:47:50,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:47:50,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:47:50,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:47:50,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:49" (1/1) ... [2022-11-20 12:47:50,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:47:50,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:47:50,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:47:50,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:47:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 12:47:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 12:47:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-20 12:47:50,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-20 12:47:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-11-20 12:47:50,798 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-11-20 12:47:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 12:47:50,799 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 12:47:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-11-20 12:47:50,799 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-11-20 12:47:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-20 12:47:50,800 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-20 12:47:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 12:47:50,800 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 12:47:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_89 [2022-11-20 12:47:50,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_89 [2022-11-20 12:47:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 12:47:50,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 12:47:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-11-20 12:47:50,802 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-11-20 12:47:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-20 12:47:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-20 12:47:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2022-11-20 12:47:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2022-11-20 12:47:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 12:47:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 12:47:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 12:47:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 12:47:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 12:47:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 12:47:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 12:47:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 12:47:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 12:47:50,806 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 12:47:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-11-20 12:47:50,806 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-11-20 12:47:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2022-11-20 12:47:50,807 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2022-11-20 12:47:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-11-20 12:47:50,807 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-11-20 12:47:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2022-11-20 12:47:50,808 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2022-11-20 12:47:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 12:47:50,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 12:47:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 12:47:50,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 12:47:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-11-20 12:47:50,809 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-11-20 12:47:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 12:47:50,809 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 12:47:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 12:47:50,810 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 12:47:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 12:47:50,810 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 12:47:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 12:47:50,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 12:47:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 12:47:50,811 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 12:47:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-11-20 12:47:50,812 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-11-20 12:47:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-20 12:47:50,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-20 12:47:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 12:47:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 12:47:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:47:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-20 12:47:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-20 12:47:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 12:47:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:47:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 12:47:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 12:47:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-11-20 12:47:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-11-20 12:47:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-20 12:47:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-20 12:47:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-11-20 12:47:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-11-20 12:47:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-20 12:47:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-20 12:47:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 12:47:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 12:47:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 12:47:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 12:47:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-11-20 12:47:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-11-20 12:47:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 12:47:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 12:47:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 12:47:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 12:47:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-11-20 12:47:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-11-20 12:47:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 12:47:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 12:47:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 12:47:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 12:47:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 12:47:50,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 12:47:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 12:47:50,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 12:47:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 12:47:50,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 12:47:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-20 12:47:50,823 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-20 12:47:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 12:47:50,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 12:47:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-20 12:47:50,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-20 12:47:50,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 12:47:50,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 12:47:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-11-20 12:47:50,829 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-11-20 12:47:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-20 12:47:50,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-20 12:47:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 12:47:50,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 12:47:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-11-20 12:47:50,836 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-11-20 12:47:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 12:47:50,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 12:47:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:47:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-11-20 12:47:50,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-11-20 12:47:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 12:47:50,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 12:47:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 12:47:50,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 12:47:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:47:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 12:47:50,838 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 12:47:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 12:47:50,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 12:47:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 12:47:50,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 12:47:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 12:47:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 12:47:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 12:47:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 12:47:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 12:47:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-20 12:47:50,840 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-20 12:47:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-20 12:47:50,840 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-20 12:47:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-11-20 12:47:50,841 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-11-20 12:47:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-11-20 12:47:50,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-11-20 12:47:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-11-20 12:47:50,841 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-11-20 12:47:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 12:47:50,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 12:47:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-11-20 12:47:50,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-11-20 12:47:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-20 12:47:50,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-20 12:47:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-20 12:47:50,842 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-20 12:47:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 12:47:50,843 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 12:47:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 12:47:50,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 12:47:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-11-20 12:47:50,844 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-11-20 12:47:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-20 12:47:50,844 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-20 12:47:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 12:47:50,844 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 12:47:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 12:47:50,845 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 12:47:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-11-20 12:47:50,845 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-11-20 12:47:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 12:47:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-20 12:47:50,846 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-20 12:47:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-20 12:47:50,846 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-20 12:47:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:47:50,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:47:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-20 12:47:50,846 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-20 12:47:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 12:47:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 12:47:50,847 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 12:47:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 12:47:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 12:47:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 12:47:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 12:47:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 12:47:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 12:47:50,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 12:47:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 12:47:50,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 12:47:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 12:47:50,849 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 12:47:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-20 12:47:50,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-20 12:47:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-20 12:47:50,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-20 12:47:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 12:47:50,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 12:47:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-11-20 12:47:50,850 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-11-20 12:47:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-11-20 12:47:50,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-11-20 12:47:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-20 12:47:50,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-20 12:47:50,851 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-20 12:47:50,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-20 12:47:50,851 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 12:47:50,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 12:47:50,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-11-20 12:47:50,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-11-20 12:47:50,852 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 12:47:50,852 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 12:47:50,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 12:47:50,852 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 12:47:50,852 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-11-20 12:47:50,852 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-11-20 12:47:50,853 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 12:47:50,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 12:47:50,853 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-20 12:47:50,853 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-20 12:47:50,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:47:50,853 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 12:47:50,854 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 12:47:50,854 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-20 12:47:50,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-20 12:47:50,854 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 12:47:50,854 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 12:47:50,854 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-11-20 12:47:50,855 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-11-20 12:47:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 12:47:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-11-20 12:47:50,860 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-11-20 12:47:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-11-20 12:47:50,860 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-11-20 12:47:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-20 12:47:50,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-20 12:47:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 12:47:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 12:47:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 12:47:50,862 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-11-20 12:47:50,863 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-11-20 12:47:50,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 12:47:50,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 12:47:50,863 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-11-20 12:47:50,863 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-11-20 12:47:50,863 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 12:47:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 12:47:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-20 12:47:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-20 12:47:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 12:47:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 12:47:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 12:47:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 12:47:50,865 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-20 12:47:50,865 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-20 12:47:50,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 12:47:50,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 12:47:50,865 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-11-20 12:47:50,865 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-11-20 12:47:50,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2022-11-20 12:47:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2022-11-20 12:47:50,866 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-11-20 12:47:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-11-20 12:47:50,866 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-11-20 12:47:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-11-20 12:47:50,866 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 12:47:50,867 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 12:47:50,867 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-20 12:47:50,867 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-20 12:47:50,867 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2022-11-20 12:47:50,867 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2022-11-20 12:47:50,867 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 12:47:50,867 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 12:47:50,868 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-20 12:47:50,868 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-20 12:47:50,868 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-11-20 12:47:50,868 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-11-20 12:47:50,868 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 12:47:50,868 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 12:47:50,868 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-11-20 12:47:50,869 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-11-20 12:47:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 12:47:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 12:47:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 12:47:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 12:47:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 12:47:50,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 12:47:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2022-11-20 12:47:50,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2022-11-20 12:47:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-11-20 12:47:50,870 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-11-20 12:47:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-11-20 12:47:50,870 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-11-20 12:47:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 12:47:50,871 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 12:47:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 12:47:50,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 12:47:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2022-11-20 12:47:50,871 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2022-11-20 12:47:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-20 12:47:50,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-20 12:47:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-11-20 12:47:50,872 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-11-20 12:47:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-20 12:47:50,872 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-20 12:47:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 12:47:50,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 12:47:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-20 12:47:50,873 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-20 12:47:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-11-20 12:47:50,873 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-11-20 12:47:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-20 12:47:50,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-20 12:47:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-20 12:47:50,874 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-20 12:47:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-11-20 12:47:50,874 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-11-20 12:47:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-20 12:47:50,874 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-20 12:47:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 12:47:50,874 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 12:47:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-20 12:47:50,875 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-20 12:47:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 12:47:50,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 12:47:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-11-20 12:47:50,875 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-11-20 12:47:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-11-20 12:47:50,876 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-11-20 12:47:52,058 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:47:52,062 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:47:53,340 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 12:49:01,144 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 12:49:01,516 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:49:01,535 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:49:01,535 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:49:01,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:49:01 BoogieIcfgContainer [2022-11-20 12:49:01,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:49:01,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:49:01,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:49:01,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:49:01,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:47:43" (1/3) ... [2022-11-20 12:49:01,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5008d41c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:49:01, skipping insertion in model container [2022-11-20 12:49:01,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:49" (2/3) ... [2022-11-20 12:49:01,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5008d41c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:49:01, skipping insertion in model container [2022-11-20 12:49:01,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:49:01" (3/3) ... [2022-11-20 12:49:01,550 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-20 12:49:01,569 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:49:01,569 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-20 12:49:01,665 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:49:01,671 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;@3109eb94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:49:01,671 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-20 12:49:01,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 2802 states, 1889 states have (on average 1.254632080465855) internal successors, (2370), 1917 states have internal predecessors, (2370), 761 states have call successors, (761), 149 states have call predecessors, (761), 148 states have return successors, (755), 753 states have call predecessors, (755), 755 states have call successors, (755) [2022-11-20 12:49:01,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-20 12:49:01,705 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:49:01,706 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:49:01,706 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 12:49:01,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:01,711 INFO L85 PathProgramCache]: Analyzing trace with hash 634180451, now seen corresponding path program 1 times [2022-11-20 12:49:01,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:49:01,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44987254] [2022-11-20 12:49:01,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:49:01,729 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 12:49:01,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:49:01,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:01,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:04,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 2017 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:49:04,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:05,144 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-11-20 12:49:05,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:49:05,145 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:49:05,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44987254] [2022-11-20 12:49:05,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [44987254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:49:05,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:49:05,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:49:05,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140410687] [2022-11-20 12:49:05,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:49:05,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:49:05,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:49:05,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:49:05,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:49:05,188 INFO L87 Difference]: Start difference. First operand has 2802 states, 1889 states have (on average 1.254632080465855) internal successors, (2370), 1917 states have internal predecessors, (2370), 761 states have call successors, (761), 149 states have call predecessors, (761), 148 states have return successors, (755), 753 states have call predecessors, (755), 755 states have call successors, (755) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-20 12:49:05,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:49:05,998 INFO L93 Difference]: Finished difference Result 8241 states and 11607 transitions. [2022-11-20 12:49:06,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:49:06,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 181 [2022-11-20 12:49:06,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:49:06,060 INFO L225 Difference]: With dead ends: 8241 [2022-11-20 12:49:06,060 INFO L226 Difference]: Without dead ends: 5455 [2022-11-20 12:49:06,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:49:06,103 INFO L413 NwaCegarLoop]: 4620 mSDtfsCounter, 3794 mSDsluCounter, 3762 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3794 SdHoareTripleChecker+Valid, 8382 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:49:06,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3794 Valid, 8382 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 12:49:06,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5455 states. [2022-11-20 12:49:06,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5455 to 5422. [2022-11-20 12:49:06,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5422 states, 3683 states have (on average 1.249253326092859) internal successors, (4601), 3744 states have internal predecessors, (4601), 1448 states have call successors, (1448), 293 states have call predecessors, (1448), 287 states have return successors, (1449), 1424 states have call predecessors, (1449), 1444 states have call successors, (1449) [2022-11-20 12:49:06,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5422 states to 5422 states and 7498 transitions. [2022-11-20 12:49:06,593 INFO L78 Accepts]: Start accepts. Automaton has 5422 states and 7498 transitions. Word has length 181 [2022-11-20 12:49:06,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:49:06,595 INFO L495 AbstractCegarLoop]: Abstraction has 5422 states and 7498 transitions. [2022-11-20 12:49:06,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-20 12:49:06,595 INFO L276 IsEmpty]: Start isEmpty. Operand 5422 states and 7498 transitions. [2022-11-20 12:49:06,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-20 12:49:06,611 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:49:06,612 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:49:06,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:06,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:06,835 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 12:49:06,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:06,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1509961273, now seen corresponding path program 1 times [2022-11-20 12:49:06,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:49:06,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1644873671] [2022-11-20 12:49:06,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:49:06,839 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 12:49:06,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:49:06,842 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:06,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:09,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 1994 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:49:09,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:10,049 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-11-20 12:49:10,050 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:49:10,050 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:49:10,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1644873671] [2022-11-20 12:49:10,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1644873671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:49:10,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:49:10,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:49:10,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838094509] [2022-11-20 12:49:10,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:49:10,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:49:10,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:49:10,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:49:10,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:49:10,054 INFO L87 Difference]: Start difference. First operand 5422 states and 7498 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-20 12:49:11,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:49:11,057 INFO L93 Difference]: Finished difference Result 16069 states and 22217 transitions. [2022-11-20 12:49:11,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:49:11,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 182 [2022-11-20 12:49:11,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:49:11,141 INFO L225 Difference]: With dead ends: 16069 [2022-11-20 12:49:11,142 INFO L226 Difference]: Without dead ends: 10680 [2022-11-20 12:49:11,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:49:11,170 INFO L413 NwaCegarLoop]: 4561 mSDtfsCounter, 3699 mSDsluCounter, 3792 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3699 SdHoareTripleChecker+Valid, 8353 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:49:11,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3699 Valid, 8353 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 12:49:11,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10680 states. [2022-11-20 12:49:11,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10680 to 10674. [2022-11-20 12:49:11,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10674 states, 7270 states have (on average 1.249656121045392) internal successors, (9085), 7383 states have internal predecessors, (9085), 2829 states have call successors, (2829), 582 states have call predecessors, (2829), 571 states have return successors, (2835), 2788 states have call predecessors, (2835), 2825 states have call successors, (2835) [2022-11-20 12:49:12,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10674 states to 10674 states and 14749 transitions. [2022-11-20 12:49:12,071 INFO L78 Accepts]: Start accepts. Automaton has 10674 states and 14749 transitions. Word has length 182 [2022-11-20 12:49:12,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:49:12,074 INFO L495 AbstractCegarLoop]: Abstraction has 10674 states and 14749 transitions. [2022-11-20 12:49:12,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-20 12:49:12,075 INFO L276 IsEmpty]: Start isEmpty. Operand 10674 states and 14749 transitions. [2022-11-20 12:49:12,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-20 12:49:12,081 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:49:12,081 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:49:12,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:12,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:12,295 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 12:49:12,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:12,296 INFO L85 PathProgramCache]: Analyzing trace with hash -973350416, now seen corresponding path program 1 times [2022-11-20 12:49:12,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:49:12,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1714548295] [2022-11-20 12:49:12,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:49:12,300 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 12:49:12,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:49:12,303 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:12,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:15,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 2072 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:49:15,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-11-20 12:49:15,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:49:15,298 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:49:15,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1714548295] [2022-11-20 12:49:15,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1714548295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:49:15,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:49:15,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:49:15,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740656652] [2022-11-20 12:49:15,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:49:15,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:49:15,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:49:15,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:49:15,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:49:15,301 INFO L87 Difference]: Start difference. First operand 10674 states and 14749 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-20 12:49:16,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:49:16,603 INFO L93 Difference]: Finished difference Result 31798 states and 44007 transitions. [2022-11-20 12:49:16,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:49:16,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 196 [2022-11-20 12:49:16,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:49:16,845 INFO L225 Difference]: With dead ends: 31798 [2022-11-20 12:49:16,845 INFO L226 Difference]: Without dead ends: 21157 [2022-11-20 12:49:16,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:49:16,896 INFO L413 NwaCegarLoop]: 4872 mSDtfsCounter, 3767 mSDsluCounter, 3790 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3767 SdHoareTripleChecker+Valid, 8662 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:49:16,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3767 Valid, 8662 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 12:49:16,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21157 states. [2022-11-20 12:49:18,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21157 to 21118. [2022-11-20 12:49:18,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21118 states, 14402 states have (on average 1.2503124566032495) internal successors, (18007), 14633 states have internal predecessors, (18007), 5583 states have call successors, (5583), 1158 states have call predecessors, (5583), 1129 states have return successors, (5649), 5478 states have call predecessors, (5649), 5579 states have call successors, (5649) [2022-11-20 12:49:18,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21118 states to 21118 states and 29239 transitions. [2022-11-20 12:49:18,460 INFO L78 Accepts]: Start accepts. Automaton has 21118 states and 29239 transitions. Word has length 196 [2022-11-20 12:49:18,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:49:18,462 INFO L495 AbstractCegarLoop]: Abstraction has 21118 states and 29239 transitions. [2022-11-20 12:49:18,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-20 12:49:18,463 INFO L276 IsEmpty]: Start isEmpty. Operand 21118 states and 29239 transitions. [2022-11-20 12:49:18,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-20 12:49:18,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:49:18,470 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 14, 14, 14, 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] [2022-11-20 12:49:18,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:18,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:18,684 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 12:49:18,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:18,684 INFO L85 PathProgramCache]: Analyzing trace with hash -41575601, now seen corresponding path program 1 times [2022-11-20 12:49:18,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:49:18,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1784478739] [2022-11-20 12:49:18,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:49:18,688 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 12:49:18,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:49:18,690 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:18,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:21,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 2054 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:49:21,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-11-20 12:49:21,833 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:49:21,834 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:49:21,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1784478739] [2022-11-20 12:49:21,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1784478739] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:49:21,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:49:21,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:49:21,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141553860] [2022-11-20 12:49:21,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:49:21,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:49:21,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:49:21,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:49:21,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:49:21,836 INFO L87 Difference]: Start difference. First operand 21118 states and 29239 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-20 12:49:23,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:49:23,506 INFO L93 Difference]: Finished difference Result 47727 states and 66049 transitions. [2022-11-20 12:49:23,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:49:23,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 204 [2022-11-20 12:49:23,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:49:23,639 INFO L225 Difference]: With dead ends: 47727 [2022-11-20 12:49:23,639 INFO L226 Difference]: Without dead ends: 26642 [2022-11-20 12:49:23,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:49:23,715 INFO L413 NwaCegarLoop]: 4614 mSDtfsCounter, 3772 mSDsluCounter, 3831 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3772 SdHoareTripleChecker+Valid, 8445 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:49:23,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3772 Valid, 8445 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:49:23,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26642 states. [2022-11-20 12:49:25,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26642 to 26603. [2022-11-20 12:49:25,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26603 states, 18129 states have (on average 1.2490484858513984) internal successors, (22644), 18429 states have internal predecessors, (22644), 7034 states have call successors, (7034), 1468 states have call predecessors, (7034), 1436 states have return successors, (7111), 6899 states have call predecessors, (7111), 7030 states have call successors, (7111) [2022-11-20 12:49:25,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26603 states to 26603 states and 36789 transitions. [2022-11-20 12:49:25,748 INFO L78 Accepts]: Start accepts. Automaton has 26603 states and 36789 transitions. Word has length 204 [2022-11-20 12:49:25,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:49:25,749 INFO L495 AbstractCegarLoop]: Abstraction has 26603 states and 36789 transitions. [2022-11-20 12:49:25,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-20 12:49:25,750 INFO L276 IsEmpty]: Start isEmpty. Operand 26603 states and 36789 transitions. [2022-11-20 12:49:25,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-20 12:49:25,755 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:49:25,755 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:49:25,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:25,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:25,971 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 12:49:25,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:25,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1911572118, now seen corresponding path program 1 times [2022-11-20 12:49:25,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:49:25,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651593101] [2022-11-20 12:49:25,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:49:25,976 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 12:49:25,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:49:25,977 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:25,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:28,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:49:28,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:28,952 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-11-20 12:49:28,953 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:49:28,953 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:49:28,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651593101] [2022-11-20 12:49:28,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651593101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:49:28,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:49:28,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:49:28,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077490080] [2022-11-20 12:49:28,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:49:28,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:49:28,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:49:28,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:49:28,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:49:28,956 INFO L87 Difference]: Start difference. First operand 26603 states and 36789 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-20 12:49:31,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:49:31,809 INFO L93 Difference]: Finished difference Result 70221 states and 96812 transitions. [2022-11-20 12:49:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:49:31,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 209 [2022-11-20 12:49:31,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:49:32,039 INFO L225 Difference]: With dead ends: 70221 [2022-11-20 12:49:32,039 INFO L226 Difference]: Without dead ends: 43651 [2022-11-20 12:49:32,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:49:32,134 INFO L413 NwaCegarLoop]: 4362 mSDtfsCounter, 2567 mSDsluCounter, 3734 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2567 SdHoareTripleChecker+Valid, 8096 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 12:49:32,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2567 Valid, 8096 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 12:49:32,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43651 states. [2022-11-20 12:49:35,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43651 to 43609. [2022-11-20 12:49:35,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43609 states, 29560 states have (on average 1.2441813261163734) internal successors, (36778), 30091 states have internal predecessors, (36778), 11517 states have call successors, (11517), 2594 states have call predecessors, (11517), 2528 states have return successors, (11671), 11240 states have call predecessors, (11671), 11513 states have call successors, (11671) [2022-11-20 12:49:35,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43609 states to 43609 states and 59966 transitions. [2022-11-20 12:49:35,579 INFO L78 Accepts]: Start accepts. Automaton has 43609 states and 59966 transitions. Word has length 209 [2022-11-20 12:49:35,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:49:35,579 INFO L495 AbstractCegarLoop]: Abstraction has 43609 states and 59966 transitions. [2022-11-20 12:49:35,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-20 12:49:35,580 INFO L276 IsEmpty]: Start isEmpty. Operand 43609 states and 59966 transitions. [2022-11-20 12:49:35,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-20 12:49:35,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:49:35,586 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:49:35,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:35,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:35,807 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 12:49:35,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:35,808 INFO L85 PathProgramCache]: Analyzing trace with hash -2245389, now seen corresponding path program 1 times [2022-11-20 12:49:35,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:49:35,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1368009658] [2022-11-20 12:49:35,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:49:35,810 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 12:49:35,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:49:35,812 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:35,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:39,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 2119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:49:39,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2022-11-20 12:49:39,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:49:39,209 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:49:39,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1368009658] [2022-11-20 12:49:39,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1368009658] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:49:39,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:49:39,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:49:39,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528858959] [2022-11-20 12:49:39,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:49:39,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:49:39,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:49:39,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:49:39,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:49:39,211 INFO L87 Difference]: Start difference. First operand 43609 states and 59966 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 12:49:43,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:49:43,154 INFO L93 Difference]: Finished difference Result 112738 states and 155095 transitions. [2022-11-20 12:49:43,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:49:43,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 238 [2022-11-20 12:49:43,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:49:43,562 INFO L225 Difference]: With dead ends: 112738 [2022-11-20 12:49:43,563 INFO L226 Difference]: Without dead ends: 77657 [2022-11-20 12:49:43,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:49:43,716 INFO L413 NwaCegarLoop]: 7517 mSDtfsCounter, 3672 mSDsluCounter, 3818 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3672 SdHoareTripleChecker+Valid, 11335 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:49:43,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3672 Valid, 11335 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 12:49:43,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77657 states. [2022-11-20 12:49:48,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77657 to 77651. [2022-11-20 12:49:48,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77651 states, 52674 states have (on average 1.2444090063408892) internal successors, (65548), 53579 states have internal predecessors, (65548), 20467 states have call successors, (20467), 4630 states have call predecessors, (20467), 4506 states have return successors, (20757), 20006 states have call predecessors, (20757), 20463 states have call successors, (20757) [2022-11-20 12:49:49,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77651 states to 77651 states and 106772 transitions. [2022-11-20 12:49:49,655 INFO L78 Accepts]: Start accepts. Automaton has 77651 states and 106772 transitions. Word has length 238 [2022-11-20 12:49:49,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:49:49,656 INFO L495 AbstractCegarLoop]: Abstraction has 77651 states and 106772 transitions. [2022-11-20 12:49:49,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 12:49:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 77651 states and 106772 transitions. [2022-11-20 12:49:49,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-20 12:49:49,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:49:49,664 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:49:49,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:49,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:49,878 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 12:49:49,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:49,878 INFO L85 PathProgramCache]: Analyzing trace with hash 138303221, now seen corresponding path program 1 times [2022-11-20 12:49:49,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:49:49,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955896862] [2022-11-20 12:49:49,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:49:49,881 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 12:49:49,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:49:49,883 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:49,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e8cc84-90b2-4040-a060-1f388fa535b3/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 12:49:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:53,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 2119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:49:53,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:55,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-11-20 12:49:55,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:49:55,290 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:49:55,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955896862] [2022-11-20 12:49:55,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955896862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:49:55,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:49:55,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:49:55,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853959038] [2022-11-20 12:49:55,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:49:55,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:49:55,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:49:55,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:49:55,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:49:55,293 INFO L87 Difference]: Start difference. First operand 77651 states and 106772 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-20 12:49:59,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:49:59,750 INFO L93 Difference]: Finished difference Result 77657 states and 106777 transitions. [2022-11-20 12:49:59,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:49:59,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 238 [2022-11-20 12:49:59,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:50:00,417 INFO L225 Difference]: With dead ends: 77657 [2022-11-20 12:50:00,417 INFO L226 Difference]: Without dead ends: 77655 [2022-11-20 12:50:00,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:50:00,448 INFO L413 NwaCegarLoop]: 3842 mSDtfsCounter, 3749 mSDsluCounter, 7668 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3750 SdHoareTripleChecker+Valid, 11510 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:50:00,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3750 Valid, 11510 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:50:00,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77655 states.