./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.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_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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_a1c4c640-9834-4bc7-a618-d578a4d45c94/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 1b84ae01ff77d37e9299320c753590c425a9f784ed44d0a112a3afe6584a446b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:35:58,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:35:58,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:35:58,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:35:58,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:35:58,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:35:58,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:35:58,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:35:58,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:35:58,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:35:58,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:35:58,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:35:58,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:35:58,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:35:58,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:35:58,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:35:58,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:35:58,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:35:58,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:35:58,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:35:58,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:35:58,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:35:58,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:35:58,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:35:58,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:35:58,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:35:58,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:35:58,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:35:58,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:35:58,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:35:58,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:35:58,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:35:58,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:35:58,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:35:58,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:35:58,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:35:58,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:35:58,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:35:58,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:35:58,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:35:58,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:35:58,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:35:58,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:35:58,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:35:58,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:35:58,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:35:58,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:35:58,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:35:58,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:35:58,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:35:58,341 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:35:58,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:35:58,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:35:58,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:35:58,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:35:58,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:35:58,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:35:58,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:35:58,343 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:35:58,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:35:58,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:35:58,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:35:58,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:35:58,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:35:58,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:35:58,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:35:58,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:35:58,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:35:58,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:35:58,346 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:35:58,347 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:35:58,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:35:58,347 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_a1c4c640-9834-4bc7-a618-d578a4d45c94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b84ae01ff77d37e9299320c753590c425a9f784ed44d0a112a3afe6584a446b [2022-11-20 10:35:58,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:35:58,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:35:58,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:35:58,753 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:35:58,753 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:35:58,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 10:36:02,660 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:36:03,828 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:36:03,829 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 10:36:03,944 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/data/8e37b55ed/a1cc506ff8494bb8be663c253c981aef/FLAG6794eaa38 [2022-11-20 10:36:03,969 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/data/8e37b55ed/a1cc506ff8494bb8be663c253c981aef [2022-11-20 10:36:03,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:36:03,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:36:03,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:36:03,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:36:03,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:36:03,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:36:03" (1/1) ... [2022-11-20 10:36:03,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ca24d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:03, skipping insertion in model container [2022-11-20 10:36:03,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:36:03" (1/1) ... [2022-11-20 10:36:04,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:36:04,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:36:05,267 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 10:36:05,280 INFO L158 Benchmark]: Toolchain (without parser) took 1301.48ms. Allocated memory is still 174.1MB. Free memory was 120.3MB in the beginning and 116.9MB in the end (delta: 3.3MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2022-11-20 10:36:05,281 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 117.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:36:05,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1296.09ms. Allocated memory is still 174.1MB. Free memory was 119.6MB in the beginning and 116.9MB in the end (delta: 2.7MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2022-11-20 10:36:05,284 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 117.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1296.09ms. Allocated memory is still 174.1MB. Free memory was 119.6MB in the beginning and 116.9MB in the end (delta: 2.7MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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_a1c4c640-9834-4bc7-a618-d578a4d45c94/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 1b84ae01ff77d37e9299320c753590c425a9f784ed44d0a112a3afe6584a446b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:36:08,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:36:08,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:36:08,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:36:08,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:36:08,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:36:08,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:36:08,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:36:08,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:36:08,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:36:08,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:36:08,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:36:08,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:36:08,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:36:08,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:36:08,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:36:08,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:36:08,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:36:08,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:36:08,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:36:08,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:36:08,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:36:08,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:36:08,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:36:08,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:36:08,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:36:08,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:36:08,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:36:08,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:36:08,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:36:08,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:36:08,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:36:08,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:36:08,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:36:08,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:36:08,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:36:08,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:36:08,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:36:08,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:36:08,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:36:08,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:36:08,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:36:08,297 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:36:08,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:36:08,299 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:36:08,300 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:36:08,301 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:36:08,301 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:36:08,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:36:08,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:36:08,303 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:36:08,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:36:08,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:36:08,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:36:08,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:36:08,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:36:08,306 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:36:08,306 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:36:08,307 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:36:08,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:36:08,307 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:36:08,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:36:08,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:36:08,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:36:08,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:36:08,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:36:08,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:36:08,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:36:08,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:36:08,310 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:36:08,310 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:36:08,310 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:36:08,310 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:36:08,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:36:08,311 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:36:08,312 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_a1c4c640-9834-4bc7-a618-d578a4d45c94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b84ae01ff77d37e9299320c753590c425a9f784ed44d0a112a3afe6584a446b [2022-11-20 10:36:08,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:36:08,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:36:08,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:36:08,908 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:36:08,909 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:36:08,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 10:36:12,785 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:36:14,118 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:36:14,119 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 10:36:14,238 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/data/b7422a230/2560a7756cbe433998db95dfa7ea0475/FLAGb65a6e33a [2022-11-20 10:36:14,265 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/data/b7422a230/2560a7756cbe433998db95dfa7ea0475 [2022-11-20 10:36:14,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:36:14,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:36:14,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:36:14,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:36:14,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:36:14,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:36:14" (1/1) ... [2022-11-20 10:36:14,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6daca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:14, skipping insertion in model container [2022-11-20 10:36:14,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:36:14" (1/1) ... [2022-11-20 10:36:14,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:36:14,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:36:26,658 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_a1c4c640-9834-4bc7-a618-d578a4d45c94/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945328,945341] [2022-11-20 10:36:26,663 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_a1c4c640-9834-4bc7-a618-d578a4d45c94/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945497,945510] [2022-11-20 10:36:26,664 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_a1c4c640-9834-4bc7-a618-d578a4d45c94/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945664,945677] [2022-11-20 10:36:26,664 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_a1c4c640-9834-4bc7-a618-d578a4d45c94/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945832,945845] [2022-11-20 10:36:26,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:36:26,844 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 10:36:27,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:36:28,579 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_a1c4c640-9834-4bc7-a618-d578a4d45c94/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945328,945341] [2022-11-20 10:36:28,595 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_a1c4c640-9834-4bc7-a618-d578a4d45c94/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945497,945510] [2022-11-20 10:36:28,595 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_a1c4c640-9834-4bc7-a618-d578a4d45c94/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945664,945677] [2022-11-20 10:36:28,596 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_a1c4c640-9834-4bc7-a618-d578a4d45c94/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945832,945845] [2022-11-20 10:36:28,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:36:28,724 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:36:30,104 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_a1c4c640-9834-4bc7-a618-d578a4d45c94/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945328,945341] [2022-11-20 10:36:30,105 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_a1c4c640-9834-4bc7-a618-d578a4d45c94/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945497,945510] [2022-11-20 10:36:30,105 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_a1c4c640-9834-4bc7-a618-d578a4d45c94/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945664,945677] [2022-11-20 10:36:30,106 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_a1c4c640-9834-4bc7-a618-d578a4d45c94/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945832,945845] [2022-11-20 10:36:30,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:36:30,772 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:36:30,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:30 WrapperNode [2022-11-20 10:36:30,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:36:30,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:36:30,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:36:30,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:36:30,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:30" (1/1) ... [2022-11-20 10:36:31,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:30" (1/1) ... [2022-11-20 10:36:32,083 INFO L138 Inliner]: procedures = 871, calls = 16466, calls flagged for inlining = 419, calls inlined = 352, statements flattened = 28373 [2022-11-20 10:36:32,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:36:32,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:36:32,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:36:32,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:36:32,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:30" (1/1) ... [2022-11-20 10:36:32,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:30" (1/1) ... [2022-11-20 10:36:32,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:30" (1/1) ... [2022-11-20 10:36:32,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:30" (1/1) ... [2022-11-20 10:36:33,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:30" (1/1) ... [2022-11-20 10:36:33,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:30" (1/1) ... [2022-11-20 10:36:33,262 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:30" (1/1) ... [2022-11-20 10:36:33,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:30" (1/1) ... [2022-11-20 10:36:33,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:36:33,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:36:33,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:36:33,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:36:33,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:30" (1/1) ... [2022-11-20 10:36:33,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:36:33,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:36:33,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:36:33,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:36:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2022-11-20 10:36:33,534 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2022-11-20 10:36:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-20 10:36:33,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-20 10:36:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2022-11-20 10:36:33,534 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2022-11-20 10:36:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2022-11-20 10:36:33,535 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2022-11-20 10:36:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-20 10:36:33,536 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-20 10:36:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-20 10:36:33,536 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-20 10:36:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2022-11-20 10:36:33,536 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2022-11-20 10:36:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 10:36:33,537 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 10:36:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-20 10:36:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-20 10:36:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 10:36:33,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 10:36:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2022-11-20 10:36:33,539 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2022-11-20 10:36:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 10:36:33,540 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 10:36:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 10:36:33,540 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 10:36:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2022-11-20 10:36:33,540 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2022-11-20 10:36:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-20 10:36:33,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-20 10:36:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2022-11-20 10:36:33,541 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2022-11-20 10:36:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2022-11-20 10:36:33,542 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2022-11-20 10:36:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-20 10:36:33,542 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-20 10:36:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 10:36:33,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 10:36:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 10:36:33,542 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 10:36:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 10:36:33,543 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 10:36:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 10:36:33,544 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 10:36:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2022-11-20 10:36:33,544 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2022-11-20 10:36:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2022-11-20 10:36:33,544 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2022-11-20 10:36:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-20 10:36:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-20 10:36:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-20 10:36:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-20 10:36:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 10:36:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 10:36:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 10:36:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 10:36:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2022-11-20 10:36:33,546 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2022-11-20 10:36:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2022-11-20 10:36:33,546 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2022-11-20 10:36:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-20 10:36:33,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-20 10:36:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2022-11-20 10:36:33,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2022-11-20 10:36:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 10:36:33,547 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 10:36:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2022-11-20 10:36:33,548 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2022-11-20 10:36:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 10:36:33,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 10:36:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2022-11-20 10:36:33,549 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2022-11-20 10:36:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 10:36:33,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 10:36:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-20 10:36:33,550 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-20 10:36:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2022-11-20 10:36:33,550 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2022-11-20 10:36:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2022-11-20 10:36:33,551 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2022-11-20 10:36:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-20 10:36:33,551 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-20 10:36:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 10:36:33,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 10:36:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2022-11-20 10:36:33,551 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2022-11-20 10:36:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 10:36:33,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 10:36:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2022-11-20 10:36:33,552 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2022-11-20 10:36:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-20 10:36:33,552 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-20 10:36:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2022-11-20 10:36:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2022-11-20 10:36:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 10:36:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 10:36:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:36:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2022-11-20 10:36:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2022-11-20 10:36:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:36:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 10:36:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 10:36:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 10:36:33,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 10:36:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:36:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2022-11-20 10:36:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2022-11-20 10:36:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 10:36:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-20 10:36:33,562 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-20 10:36:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2022-11-20 10:36:33,563 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2022-11-20 10:36:33,567 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 10:36:33,567 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 10:36:33,567 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2022-11-20 10:36:33,567 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2022-11-20 10:36:33,567 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 10:36:33,568 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 10:36:33,568 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2022-11-20 10:36:33,568 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2022-11-20 10:36:33,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 10:36:33,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 10:36:33,568 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-20 10:36:33,568 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-20 10:36:33,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-20 10:36:33,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-20 10:36:33,569 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 10:36:33,569 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 10:36:33,569 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2022-11-20 10:36:33,569 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2022-11-20 10:36:33,569 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2022-11-20 10:36:33,569 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2022-11-20 10:36:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-20 10:36:33,570 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-20 10:36:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:36:33,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:36:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2022-11-20 10:36:33,570 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2022-11-20 10:36:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-20 10:36:33,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-20 10:36:33,571 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2022-11-20 10:36:33,571 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2022-11-20 10:36:33,571 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2022-11-20 10:36:33,571 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2022-11-20 10:36:33,571 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 10:36:33,571 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 10:36:33,571 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2022-11-20 10:36:33,571 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2022-11-20 10:36:33,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 10:36:33,572 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2022-11-20 10:36:33,572 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2022-11-20 10:36:33,572 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 10:36:33,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 10:36:33,572 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-20 10:36:33,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 10:36:33,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 10:36:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2022-11-20 10:36:33,573 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2022-11-20 10:36:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-20 10:36:33,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-20 10:36:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 10:36:33,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 10:36:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2022-11-20 10:36:33,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2022-11-20 10:36:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 10:36:33,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 10:36:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2022-11-20 10:36:33,574 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2022-11-20 10:36:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2022-11-20 10:36:33,574 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2022-11-20 10:36:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-20 10:36:33,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-20 10:36:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-20 10:36:33,575 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-20 10:36:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2022-11-20 10:36:33,575 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2022-11-20 10:36:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-20 10:36:33,575 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-20 10:36:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-20 10:36:33,576 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-20 10:36:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:36:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 10:36:33,576 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 10:36:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2022-11-20 10:36:33,576 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2022-11-20 10:36:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:36:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-20 10:36:33,577 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-20 10:36:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2022-11-20 10:36:33,577 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2022-11-20 10:36:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2022-11-20 10:36:33,577 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2022-11-20 10:36:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2022-11-20 10:36:33,577 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2022-11-20 10:36:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2022-11-20 10:36:33,578 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2022-11-20 10:36:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 10:36:33,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 10:36:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2022-11-20 10:36:33,578 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2022-11-20 10:36:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 10:36:33,581 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 10:36:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-20 10:36:33,582 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-20 10:36:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2022-11-20 10:36:33,582 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2022-11-20 10:36:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2022-11-20 10:36:33,582 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2022-11-20 10:36:33,583 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-20 10:36:33,583 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-20 10:36:33,583 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2022-11-20 10:36:33,583 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2022-11-20 10:36:33,583 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2022-11-20 10:36:33,583 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2022-11-20 10:36:33,583 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-20 10:36:33,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-20 10:36:33,584 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2022-11-20 10:36:33,584 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2022-11-20 10:36:33,584 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2022-11-20 10:36:33,584 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2022-11-20 10:36:33,584 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-20 10:36:33,584 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-20 10:36:33,584 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 10:36:33,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 10:36:33,585 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 10:36:33,585 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 10:36:33,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 10:36:33,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 10:36:33,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 10:36:33,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 10:36:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2022-11-20 10:36:33,590 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2022-11-20 10:36:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 10:36:33,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 10:36:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_88 [2022-11-20 10:36:33,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_88 [2022-11-20 10:36:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2022-11-20 10:36:33,591 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2022-11-20 10:36:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-20 10:36:33,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-20 10:36:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2022-11-20 10:36:33,592 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2022-11-20 10:36:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2022-11-20 10:36:33,593 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2022-11-20 10:36:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2022-11-20 10:36:33,593 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2022-11-20 10:36:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-20 10:36:33,593 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-20 10:36:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2022-11-20 10:36:33,593 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2022-11-20 10:36:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2022-11-20 10:36:33,593 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2022-11-20 10:36:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-20 10:36:33,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-20 10:36:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-20 10:36:33,594 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-20 10:36:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-20 10:36:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-20 10:36:33,594 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-20 10:36:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2022-11-20 10:36:33,594 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2022-11-20 10:36:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 10:36:33,595 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 10:36:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_91 [2022-11-20 10:36:33,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_91 [2022-11-20 10:36:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 10:36:33,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 10:36:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2022-11-20 10:36:33,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2022-11-20 10:36:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-20 10:36:33,596 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-20 10:36:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2022-11-20 10:36:33,596 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2022-11-20 10:36:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 10:36:33,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 10:36:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2022-11-20 10:36:33,596 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2022-11-20 10:36:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2022-11-20 10:36:33,596 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2022-11-20 10:36:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2022-11-20 10:36:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2022-11-20 10:36:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-20 10:36:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-20 10:36:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-20 10:36:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-20 10:36:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-20 10:36:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-20 10:36:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 10:36:33,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 10:36:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2022-11-20 10:36:33,598 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2022-11-20 10:36:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2022-11-20 10:36:33,598 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2022-11-20 10:36:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2022-11-20 10:36:33,598 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2022-11-20 10:36:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_83 [2022-11-20 10:36:33,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_83 [2022-11-20 10:36:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2022-11-20 10:36:33,599 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2022-11-20 10:36:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-20 10:36:33,599 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-20 10:36:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 10:36:33,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 10:36:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 10:36:33,599 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 10:36:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 10:36:33,599 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 10:36:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 10:36:33,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 10:36:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 10:36:33,600 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 10:36:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:36:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 10:36:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 10:36:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 10:36:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2022-11-20 10:36:33,601 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2022-11-20 10:36:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 10:36:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2022-11-20 10:36:33,601 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2022-11-20 10:36:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2022-11-20 10:36:33,601 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2022-11-20 10:36:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2022-11-20 10:36:33,601 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2022-11-20 10:36:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2022-11-20 10:36:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2022-11-20 10:36:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 10:36:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 10:36:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2022-11-20 10:36:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2022-11-20 10:36:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2022-11-20 10:36:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2022-11-20 10:36:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 10:36:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 10:36:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2022-11-20 10:36:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2022-11-20 10:36:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 10:36:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 10:36:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2022-11-20 10:36:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2022-11-20 10:36:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2022-11-20 10:36:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2022-11-20 10:36:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 10:36:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 10:36:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 10:36:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 10:36:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-20 10:36:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-20 10:36:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2022-11-20 10:36:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2022-11-20 10:36:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-20 10:36:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-20 10:36:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-20 10:36:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-20 10:36:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2022-11-20 10:36:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2022-11-20 10:36:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-20 10:36:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-20 10:36:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 10:36:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 10:36:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 10:36:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 10:36:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 10:36:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2022-11-20 10:36:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2022-11-20 10:36:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-20 10:36:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-20 10:36:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2022-11-20 10:36:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2022-11-20 10:36:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2022-11-20 10:36:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2022-11-20 10:36:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2022-11-20 10:36:33,608 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2022-11-20 10:36:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 10:36:33,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 10:36:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-20 10:36:33,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-20 10:36:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-20 10:36:33,608 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-20 10:36:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2022-11-20 10:36:33,609 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2022-11-20 10:36:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-20 10:36:33,609 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-20 10:36:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2022-11-20 10:36:33,609 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2022-11-20 10:36:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2022-11-20 10:36:33,609 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2022-11-20 10:36:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-20 10:36:33,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-20 10:36:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2022-11-20 10:36:33,610 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2022-11-20 10:36:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-20 10:36:33,610 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-20 10:36:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2022-11-20 10:36:33,610 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2022-11-20 10:36:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 10:36:33,610 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 10:36:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 10:36:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2022-11-20 10:36:33,611 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2022-11-20 10:36:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-20 10:36:33,611 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-20 10:36:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 10:36:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 10:36:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 10:36:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 10:36:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 10:36:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 10:36:33,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 10:36:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-20 10:36:33,612 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-20 10:36:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 10:36:33,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 10:36:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-20 10:36:33,613 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-20 10:36:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-20 10:36:33,613 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-20 10:36:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2022-11-20 10:36:33,613 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2022-11-20 10:36:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 10:36:33,614 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 10:36:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-20 10:36:33,614 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-20 10:36:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2022-11-20 10:36:33,614 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2022-11-20 10:36:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 10:36:33,614 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 10:36:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2022-11-20 10:36:33,615 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2022-11-20 10:36:33,615 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-20 10:36:33,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-20 10:36:33,615 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2022-11-20 10:36:33,615 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2022-11-20 10:36:33,615 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 10:36:33,615 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 10:36:33,615 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-20 10:36:33,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-20 10:36:33,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-20 10:36:33,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-20 10:36:33,616 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 10:36:33,616 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 10:36:33,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-20 10:36:33,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-20 10:36:33,616 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-20 10:36:33,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-20 10:36:33,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 10:36:33,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 10:36:33,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 10:36:33,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 10:36:33,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:36:33,617 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2022-11-20 10:36:33,618 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2022-11-20 10:36:33,618 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2022-11-20 10:36:33,618 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2022-11-20 10:36:33,618 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-11-20 10:36:33,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-11-20 10:36:33,618 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2022-11-20 10:36:33,618 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2022-11-20 10:36:33,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-20 10:36:33,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-20 10:36:33,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 10:36:33,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 10:36:33,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-20 10:36:33,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-20 10:36:33,619 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2022-11-20 10:36:33,619 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2022-11-20 10:36:33,619 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2022-11-20 10:36:33,620 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2022-11-20 10:36:33,620 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2022-11-20 10:36:33,620 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2022-11-20 10:36:33,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_87 [2022-11-20 10:36:33,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_87 [2022-11-20 10:36:33,620 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2022-11-20 10:36:33,620 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2022-11-20 10:36:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 10:36:33,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 10:36:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 10:36:33,621 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 10:36:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-20 10:36:33,621 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-20 10:36:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2022-11-20 10:36:33,621 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2022-11-20 10:36:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2022-11-20 10:36:33,622 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2022-11-20 10:36:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-20 10:36:33,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-20 10:36:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2022-11-20 10:36:33,622 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2022-11-20 10:36:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-20 10:36:33,622 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-20 10:36:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 10:36:33,623 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 10:36:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2022-11-20 10:36:33,623 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2022-11-20 10:36:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2022-11-20 10:36:33,623 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2022-11-20 10:36:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2022-11-20 10:36:33,623 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2022-11-20 10:36:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-20 10:36:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-20 10:36:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2022-11-20 10:36:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2022-11-20 10:36:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 10:36:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 10:36:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2022-11-20 10:36:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2022-11-20 10:36:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 10:36:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 10:36:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-20 10:36:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-20 10:36:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-20 10:36:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-20 10:36:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2022-11-20 10:36:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2022-11-20 10:36:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2022-11-20 10:36:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2022-11-20 10:36:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 10:36:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 10:36:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-20 10:36:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-20 10:36:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-20 10:36:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-20 10:36:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-20 10:36:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-20 10:36:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2022-11-20 10:36:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2022-11-20 10:36:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 10:36:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 10:36:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 10:36:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 10:36:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_e1000_phy_lock [2022-11-20 10:36:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_e1000_phy_lock [2022-11-20 10:36:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 10:36:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 10:36:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-20 10:36:36,672 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:36:36,680 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:36:59,740 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 10:43:49,721 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:43:49,761 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:43:49,761 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-20 10:43:49,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:43:49 BoogieIcfgContainer [2022-11-20 10:43:49,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:43:49,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:43:49,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:43:49,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:43:49,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:36:14" (1/3) ... [2022-11-20 10:43:49,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8ff946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:43:49, skipping insertion in model container [2022-11-20 10:43:49,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:30" (2/3) ... [2022-11-20 10:43:49,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8ff946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:43:49, skipping insertion in model container [2022-11-20 10:43:49,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:43:49" (3/3) ... [2022-11-20 10:43:49,781 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 10:43:49,801 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:43:49,801 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-20 10:43:49,994 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:43:50,000 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;@42079350, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:43:50,001 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-20 10:43:50,042 INFO L276 IsEmpty]: Start isEmpty. Operand has 7911 states, 5501 states have (on average 1.3404835484457371) internal successors, (7374), 5609 states have internal predecessors, (7374), 2159 states have call successors, (2159), 250 states have call predecessors, (2159), 249 states have return successors, (2155), 2142 states have call predecessors, (2155), 2155 states have call successors, (2155) [2022-11-20 10:43:50,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 10:43:50,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:43:50,056 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-20 10:43:50,057 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:43:50,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:43:50,066 INFO L85 PathProgramCache]: Analyzing trace with hash 361626957, now seen corresponding path program 1 times [2022-11-20 10:43:50,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:43:50,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1060761316] [2022-11-20 10:43:50,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:43:50,104 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:50,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:43:50,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:43:50,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 10:44:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:08,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 9919 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:44:08,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:44:09,058 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 10:44:09,058 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:44:09,059 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:44:09,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1060761316] [2022-11-20 10:44:09,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1060761316] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:44:09,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:44:09,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:44:09,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273473542] [2022-11-20 10:44:09,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:44:09,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:44:09,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:44:09,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:44:09,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:44:09,121 INFO L87 Difference]: Start difference. First operand has 7911 states, 5501 states have (on average 1.3404835484457371) internal successors, (7374), 5609 states have internal predecessors, (7374), 2159 states have call successors, (2159), 250 states have call predecessors, (2159), 249 states have return successors, (2155), 2142 states have call predecessors, (2155), 2155 states have call successors, (2155) Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 10:44:10,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:44:10,492 INFO L93 Difference]: Finished difference Result 15767 states and 23742 transitions. [2022-11-20 10:44:10,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:44:10,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 50 [2022-11-20 10:44:10,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:44:10,584 INFO L225 Difference]: With dead ends: 15767 [2022-11-20 10:44:10,585 INFO L226 Difference]: Without dead ends: 7869 [2022-11-20 10:44:10,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:44:10,713 INFO L413 NwaCegarLoop]: 11604 mSDtfsCounter, 11576 mSDsluCounter, 23190 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11577 SdHoareTripleChecker+Valid, 34794 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:44:10,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11577 Valid, 34794 Invalid, 26 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:44:10,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7869 states. [2022-11-20 10:44:11,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7869 to 7869. [2022-11-20 10:44:11,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7869 states, 5464 states have (on average 1.3343704245973647) internal successors, (7291), 5569 states have internal predecessors, (7291), 2153 states have call successors, (2153), 250 states have call predecessors, (2153), 249 states have return successors, (2150), 2137 states have call predecessors, (2150), 2150 states have call successors, (2150) [2022-11-20 10:44:11,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7869 states to 7869 states and 11594 transitions. [2022-11-20 10:44:11,818 INFO L78 Accepts]: Start accepts. Automaton has 7869 states and 11594 transitions. Word has length 50 [2022-11-20 10:44:11,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:44:11,821 INFO L495 AbstractCegarLoop]: Abstraction has 7869 states and 11594 transitions. [2022-11-20 10:44:11,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 10:44:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 7869 states and 11594 transitions. [2022-11-20 10:44:11,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 10:44:11,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:44:11,830 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-20 10:44:12,055 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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)] Forcibly destroying the process [2022-11-20 10:44:12,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:44:12,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:12,075 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:44:12,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:44:12,076 INFO L85 PathProgramCache]: Analyzing trace with hash -530781723, now seen corresponding path program 1 times [2022-11-20 10:44:12,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:44:12,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1362017296] [2022-11-20 10:44:12,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:12,097 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:12,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:44:12,099 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:44:12,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 10:44:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:30,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 9926 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:44:30,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:44:30,694 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 10:44:30,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:44:31,019 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 10:44:31,019 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:44:31,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1362017296] [2022-11-20 10:44:31,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1362017296] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:44:31,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:44:31,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 10:44:31,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386627231] [2022-11-20 10:44:31,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:44:31,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:44:31,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:44:31,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:44:31,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:44:31,022 INFO L87 Difference]: Start difference. First operand 7869 states and 11594 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 10:44:32,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:44:32,191 INFO L93 Difference]: Finished difference Result 7909 states and 11632 transitions. [2022-11-20 10:44:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:44:32,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2022-11-20 10:44:32,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:44:32,250 INFO L225 Difference]: With dead ends: 7909 [2022-11-20 10:44:32,250 INFO L226 Difference]: Without dead ends: 7907 [2022-11-20 10:44:32,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:44:32,259 INFO L413 NwaCegarLoop]: 11615 mSDtfsCounter, 11541 mSDsluCounter, 23250 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11557 SdHoareTripleChecker+Valid, 34865 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:44:32,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11557 Valid, 34865 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:44:32,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7907 states. [2022-11-20 10:44:32,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7907 to 7905. [2022-11-20 10:44:32,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7905 states, 5488 states have (on average 1.3334548104956268) internal successors, (7318), 5595 states have internal predecessors, (7318), 2157 states have call successors, (2157), 258 states have call predecessors, (2157), 257 states have return successors, (2154), 2141 states have call predecessors, (2154), 2154 states have call successors, (2154) [2022-11-20 10:44:33,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7905 states to 7905 states and 11629 transitions. [2022-11-20 10:44:33,064 INFO L78 Accepts]: Start accepts. Automaton has 7905 states and 11629 transitions. Word has length 55 [2022-11-20 10:44:33,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:44:33,065 INFO L495 AbstractCegarLoop]: Abstraction has 7905 states and 11629 transitions. [2022-11-20 10:44:33,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 10:44:33,066 INFO L276 IsEmpty]: Start isEmpty. Operand 7905 states and 11629 transitions. [2022-11-20 10:44:33,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 10:44:33,076 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:44:33,077 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-11-20 10:44:33,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:44:33,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:33,299 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:44:33,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:44:33,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1635726349, now seen corresponding path program 1 times [2022-11-20 10:44:33,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:44:33,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1470247194] [2022-11-20 10:44:33,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:33,317 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:33,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:44:33,318 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:44:33,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 10:44:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:51,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 9933 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:44:51,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:44:51,963 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 10:44:51,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:44:52,298 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 10:44:52,298 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:44:52,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1470247194] [2022-11-20 10:44:52,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1470247194] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:44:52,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:44:52,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 10:44:52,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686739314] [2022-11-20 10:44:52,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:44:52,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:44:52,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:44:52,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:44:52,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:44:52,302 INFO L87 Difference]: Start difference. First operand 7905 states and 11629 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 10:44:53,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:44:53,664 INFO L93 Difference]: Finished difference Result 7911 states and 11634 transitions. [2022-11-20 10:44:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:44:53,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 60 [2022-11-20 10:44:53,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:44:53,720 INFO L225 Difference]: With dead ends: 7911 [2022-11-20 10:44:53,721 INFO L226 Difference]: Without dead ends: 7909 [2022-11-20 10:44:53,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:44:53,726 INFO L413 NwaCegarLoop]: 11591 mSDtfsCounter, 11555 mSDsluCounter, 23157 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11570 SdHoareTripleChecker+Valid, 34748 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:44:53,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11570 Valid, 34748 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:44:53,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7909 states. [2022-11-20 10:44:54,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7909 to 7909. [2022-11-20 10:44:54,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7909 states, 5491 states have (on average 1.3332726279366236) internal successors, (7321), 5598 states have internal predecessors, (7321), 2157 states have call successors, (2157), 259 states have call predecessors, (2157), 258 states have return successors, (2154), 2141 states have call predecessors, (2154), 2154 states have call successors, (2154) [2022-11-20 10:44:54,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7909 states to 7909 states and 11632 transitions. [2022-11-20 10:44:54,660 INFO L78 Accepts]: Start accepts. Automaton has 7909 states and 11632 transitions. Word has length 60 [2022-11-20 10:44:54,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:44:54,661 INFO L495 AbstractCegarLoop]: Abstraction has 7909 states and 11632 transitions. [2022-11-20 10:44:54,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 10:44:54,661 INFO L276 IsEmpty]: Start isEmpty. Operand 7909 states and 11632 transitions. [2022-11-20 10:44:54,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-20 10:44:54,663 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:44:54,663 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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] [2022-11-20 10:44:54,883 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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)] Forcibly destroying the process [2022-11-20 10:44:54,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:44:54,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:54,885 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:44:54,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:44:54,885 INFO L85 PathProgramCache]: Analyzing trace with hash -795207003, now seen corresponding path program 1 times [2022-11-20 10:44:54,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:44:54,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488584604] [2022-11-20 10:44:54,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:54,905 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:54,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:44:54,906 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:44:54,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 10:45:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:13,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 9940 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:45:13,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:14,219 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:45:14,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:45:14,519 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:45:14,519 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:45:14,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488584604] [2022-11-20 10:45:14,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1488584604] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:45:14,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:45:14,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 10:45:14,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114414859] [2022-11-20 10:45:14,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:45:14,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:45:14,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:45:14,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:45:14,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:45:14,522 INFO L87 Difference]: Start difference. First operand 7909 states and 11632 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 10:45:15,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:15,563 INFO L93 Difference]: Finished difference Result 7915 states and 11637 transitions. [2022-11-20 10:45:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:45:15,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2022-11-20 10:45:15,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:15,611 INFO L225 Difference]: With dead ends: 7915 [2022-11-20 10:45:15,611 INFO L226 Difference]: Without dead ends: 7913 [2022-11-20 10:45:15,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:45:15,617 INFO L413 NwaCegarLoop]: 11591 mSDtfsCounter, 11555 mSDsluCounter, 23157 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11569 SdHoareTripleChecker+Valid, 34748 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:15,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11569 Valid, 34748 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:45:15,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7913 states. [2022-11-20 10:45:16,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7913 to 7913. [2022-11-20 10:45:16,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7913 states, 5494 states have (on average 1.3330906443392792) internal successors, (7324), 5601 states have internal predecessors, (7324), 2157 states have call successors, (2157), 260 states have call predecessors, (2157), 259 states have return successors, (2154), 2141 states have call predecessors, (2154), 2154 states have call successors, (2154) [2022-11-20 10:45:16,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7913 states to 7913 states and 11635 transitions. [2022-11-20 10:45:16,465 INFO L78 Accepts]: Start accepts. Automaton has 7913 states and 11635 transitions. Word has length 65 [2022-11-20 10:45:16,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:16,466 INFO L495 AbstractCegarLoop]: Abstraction has 7913 states and 11635 transitions. [2022-11-20 10:45:16,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 10:45:16,466 INFO L276 IsEmpty]: Start isEmpty. Operand 7913 states and 11635 transitions. [2022-11-20 10:45:16,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 10:45:16,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:16,468 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 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] [2022-11-20 10:45:16,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-11-20 10:45:16,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:16,691 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:45:16,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:16,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1071426253, now seen corresponding path program 1 times [2022-11-20 10:45:16,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:45:16,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168515724] [2022-11-20 10:45:16,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:16,708 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:16,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:45:16,709 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:45:16,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 10:45:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:34,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 9947 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:45:34,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:34,723 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-20 10:45:34,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:45:35,054 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-20 10:45:35,054 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:45:35,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168515724] [2022-11-20 10:45:35,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [168515724] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:45:35,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:45:35,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 10:45:35,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646236577] [2022-11-20 10:45:35,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:45:35,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:45:35,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:45:35,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:45:35,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:45:35,058 INFO L87 Difference]: Start difference. First operand 7913 states and 11635 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 10:45:36,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:36,184 INFO L93 Difference]: Finished difference Result 8342 states and 12245 transitions. [2022-11-20 10:45:36,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:45:36,185 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 70 [2022-11-20 10:45:36,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:36,232 INFO L225 Difference]: With dead ends: 8342 [2022-11-20 10:45:36,232 INFO L226 Difference]: Without dead ends: 8340 [2022-11-20 10:45:36,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:45:36,239 INFO L413 NwaCegarLoop]: 12123 mSDtfsCounter, 11509 mSDsluCounter, 24871 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11522 SdHoareTripleChecker+Valid, 36994 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:36,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11522 Valid, 36994 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:45:36,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8340 states. [2022-11-20 10:45:37,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8340 to 8334. [2022-11-20 10:45:37,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8334 states, 5765 states have (on average 1.3299219427580224) internal successors, (7667), 5877 states have internal predecessors, (7667), 2286 states have call successors, (2286), 283 states have call predecessors, (2286), 280 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2022-11-20 10:45:37,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8334 states to 8334 states and 12239 transitions. [2022-11-20 10:45:37,282 INFO L78 Accepts]: Start accepts. Automaton has 8334 states and 12239 transitions. Word has length 70 [2022-11-20 10:45:37,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:37,283 INFO L495 AbstractCegarLoop]: Abstraction has 8334 states and 12239 transitions. [2022-11-20 10:45:37,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 10:45:37,283 INFO L276 IsEmpty]: Start isEmpty. Operand 8334 states and 12239 transitions. [2022-11-20 10:45:37,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 10:45:37,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:37,286 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:45:37,500 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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)] Forcibly destroying the process [2022-11-20 10:45:37,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:37,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:37,507 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:45:37,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:37,507 INFO L85 PathProgramCache]: Analyzing trace with hash -331889576, now seen corresponding path program 1 times [2022-11-20 10:45:37,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:45:37,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613843309] [2022-11-20 10:45:37,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:37,521 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:37,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:45:37,525 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:45:37,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 10:45:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:56,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 9994 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-20 10:45:56,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-20 10:45:57,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:45:58,416 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-20 10:45:58,417 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:45:58,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613843309] [2022-11-20 10:45:58,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [613843309] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:45:58,417 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:45:58,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 19 [2022-11-20 10:45:58,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401433369] [2022-11-20 10:45:58,418 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:45:58,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-20 10:45:58,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:45:58,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-20 10:45:58,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-11-20 10:45:58,420 INFO L87 Difference]: Start difference. First operand 8334 states and 12239 transitions. Second operand has 19 states, 18 states have (on average 2.888888888888889) internal successors, (52), 17 states have internal predecessors, (52), 6 states have call successors, (21), 2 states have call predecessors, (21), 5 states have return successors, (20), 7 states have call predecessors, (20), 6 states have call successors, (20) [2022-11-20 10:46:04,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:46:04,077 INFO L93 Difference]: Finished difference Result 8450 states and 12378 transitions. [2022-11-20 10:46:04,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 10:46:04,084 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 2.888888888888889) internal successors, (52), 17 states have internal predecessors, (52), 6 states have call successors, (21), 2 states have call predecessors, (21), 5 states have return successors, (20), 7 states have call predecessors, (20), 6 states have call successors, (20) Word has length 88 [2022-11-20 10:46:04,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:46:04,134 INFO L225 Difference]: With dead ends: 8450 [2022-11-20 10:46:04,134 INFO L226 Difference]: Without dead ends: 8351 [2022-11-20 10:46:04,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=139, Invalid=673, Unknown=0, NotChecked=0, Total=812 [2022-11-20 10:46:04,144 INFO L413 NwaCegarLoop]: 11550 mSDtfsCounter, 84 mSDsluCounter, 173132 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 184682 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:46:04,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 184682 Invalid, 835 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [29 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-20 10:46:04,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8351 states. [2022-11-20 10:46:05,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8351 to 8347. [2022-11-20 10:46:05,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8347 states, 5776 states have (on average 1.3296398891966759) internal successors, (7680), 5888 states have internal predecessors, (7680), 2288 states have call successors, (2288), 283 states have call predecessors, (2288), 280 states have return successors, (2288), 2269 states have call predecessors, (2288), 2285 states have call successors, (2288) [2022-11-20 10:46:05,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8347 states to 8347 states and 12256 transitions. [2022-11-20 10:46:05,308 INFO L78 Accepts]: Start accepts. Automaton has 8347 states and 12256 transitions. Word has length 88 [2022-11-20 10:46:05,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:46:05,308 INFO L495 AbstractCegarLoop]: Abstraction has 8347 states and 12256 transitions. [2022-11-20 10:46:05,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 2.888888888888889) internal successors, (52), 17 states have internal predecessors, (52), 6 states have call successors, (21), 2 states have call predecessors, (21), 5 states have return successors, (20), 7 states have call predecessors, (20), 6 states have call successors, (20) [2022-11-20 10:46:05,309 INFO L276 IsEmpty]: Start isEmpty. Operand 8347 states and 12256 transitions. [2022-11-20 10:46:05,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 10:46:05,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:46:05,310 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 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] [2022-11-20 10:46:05,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:46:05,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:46:05,535 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:46:05,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:05,536 INFO L85 PathProgramCache]: Analyzing trace with hash 135465829, now seen corresponding path program 1 times [2022-11-20 10:46:05,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:46:05,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1293243662] [2022-11-20 10:46:05,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:05,546 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:46:05,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:46:05,547 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:46:05,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 10:46:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:23,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 9954 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:46:23,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:46:24,254 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-20 10:46:24,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:46:24,574 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-20 10:46:24,575 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:46:24,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1293243662] [2022-11-20 10:46:24,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1293243662] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:46:24,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:46:24,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 10:46:24,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122352560] [2022-11-20 10:46:24,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:24,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:46:24,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:46:24,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:46:24,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:46:24,577 INFO L87 Difference]: Start difference. First operand 8347 states and 12256 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 10:46:25,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:46:25,408 INFO L93 Difference]: Finished difference Result 8381 states and 12281 transitions. [2022-11-20 10:46:25,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:46:25,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75 [2022-11-20 10:46:25,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:46:25,451 INFO L225 Difference]: With dead ends: 8381 [2022-11-20 10:46:25,452 INFO L226 Difference]: Without dead ends: 8379 [2022-11-20 10:46:25,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:46:25,460 INFO L413 NwaCegarLoop]: 11593 mSDtfsCounter, 11251 mSDsluCounter, 23483 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11263 SdHoareTripleChecker+Valid, 35076 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:46:25,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11263 Valid, 35076 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:46:25,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8379 states. [2022-11-20 10:46:26,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8379 to 8377. [2022-11-20 10:46:26,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8377 states, 5797 states have (on average 1.3286182508193893) internal successors, (7702), 5909 states have internal predecessors, (7702), 2288 states have call successors, (2288), 292 states have call predecessors, (2288), 289 states have return successors, (2288), 2269 states have call predecessors, (2288), 2285 states have call successors, (2288) [2022-11-20 10:46:26,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8377 states to 8377 states and 12278 transitions. [2022-11-20 10:46:26,533 INFO L78 Accepts]: Start accepts. Automaton has 8377 states and 12278 transitions. Word has length 75 [2022-11-20 10:46:26,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:46:26,534 INFO L495 AbstractCegarLoop]: Abstraction has 8377 states and 12278 transitions. [2022-11-20 10:46:26,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 10:46:26,535 INFO L276 IsEmpty]: Start isEmpty. Operand 8377 states and 12278 transitions. [2022-11-20 10:46:26,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-20 10:46:26,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:46:26,536 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 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] [2022-11-20 10:46:26,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:46:26,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:46:26,763 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:46:26,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:26,763 INFO L85 PathProgramCache]: Analyzing trace with hash -967417459, now seen corresponding path program 1 times [2022-11-20 10:46:26,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:46:26,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [847414935] [2022-11-20 10:46:26,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:26,778 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:46:26,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:46:26,779 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:46:26,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 10:46:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:45,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 9961 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:46:45,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:46:46,725 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-20 10:46:46,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:46:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-20 10:46:47,188 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:46:47,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [847414935] [2022-11-20 10:46:47,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [847414935] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:46:47,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:46:47,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 10:46:47,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754412718] [2022-11-20 10:46:47,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:47,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:46:47,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:46:47,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:46:47,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:46:47,191 INFO L87 Difference]: Start difference. First operand 8377 states and 12278 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-20 10:46:48,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:46:48,257 INFO L93 Difference]: Finished difference Result 8383 states and 12283 transitions. [2022-11-20 10:46:48,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:46:48,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2022-11-20 10:46:48,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:46:48,300 INFO L225 Difference]: With dead ends: 8383 [2022-11-20 10:46:48,300 INFO L226 Difference]: Without dead ends: 8381 [2022-11-20 10:46:48,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:46:48,308 INFO L413 NwaCegarLoop]: 11591 mSDtfsCounter, 11555 mSDsluCounter, 23157 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11566 SdHoareTripleChecker+Valid, 34748 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:46:48,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11566 Valid, 34748 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:46:48,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8381 states. [2022-11-20 10:46:49,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8381 to 8381. [2022-11-20 10:46:49,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8381 states, 5800 states have (on average 1.328448275862069) internal successors, (7705), 5912 states have internal predecessors, (7705), 2288 states have call successors, (2288), 293 states have call predecessors, (2288), 290 states have return successors, (2288), 2269 states have call predecessors, (2288), 2285 states have call successors, (2288) [2022-11-20 10:46:49,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8381 states to 8381 states and 12281 transitions. [2022-11-20 10:46:49,752 INFO L78 Accepts]: Start accepts. Automaton has 8381 states and 12281 transitions. Word has length 80 [2022-11-20 10:46:49,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:46:49,753 INFO L495 AbstractCegarLoop]: Abstraction has 8381 states and 12281 transitions. [2022-11-20 10:46:49,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-20 10:46:49,753 INFO L276 IsEmpty]: Start isEmpty. Operand 8381 states and 12281 transitions. [2022-11-20 10:46:49,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 10:46:49,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:46:49,756 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 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] [2022-11-20 10:46:49,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 10:46:49,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:46:49,970 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:46:49,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:49,971 INFO L85 PathProgramCache]: Analyzing trace with hash 2132261925, now seen corresponding path program 1 times [2022-11-20 10:46:49,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:46:49,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388269135] [2022-11-20 10:46:49,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:49,986 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:46:49,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:46:49,987 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:46:49,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 10:47:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:07,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 9968 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:47:07,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:07,826 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-20 10:47:07,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:47:08,195 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-20 10:47:08,195 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:47:08,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1388269135] [2022-11-20 10:47:08,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1388269135] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:08,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:47:08,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 10:47:08,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453661275] [2022-11-20 10:47:08,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:08,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:47:08,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:47:08,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:47:08,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:47:08,197 INFO L87 Difference]: Start difference. First operand 8381 states and 12281 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-20 10:47:09,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:09,145 INFO L93 Difference]: Finished difference Result 8387 states and 12286 transitions. [2022-11-20 10:47:09,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:47:09,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 85 [2022-11-20 10:47:09,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:09,179 INFO L225 Difference]: With dead ends: 8387 [2022-11-20 10:47:09,179 INFO L226 Difference]: Without dead ends: 8385 [2022-11-20 10:47:09,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:47:09,184 INFO L413 NwaCegarLoop]: 11591 mSDtfsCounter, 11555 mSDsluCounter, 23157 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11565 SdHoareTripleChecker+Valid, 34748 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:09,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11565 Valid, 34748 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:47:09,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8385 states. [2022-11-20 10:47:10,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8385 to 8385. [2022-11-20 10:47:10,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8385 states, 5803 states have (on average 1.3282784766500086) internal successors, (7708), 5915 states have internal predecessors, (7708), 2288 states have call successors, (2288), 294 states have call predecessors, (2288), 291 states have return successors, (2288), 2269 states have call predecessors, (2288), 2285 states have call successors, (2288) [2022-11-20 10:47:10,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8385 states to 8385 states and 12284 transitions. [2022-11-20 10:47:10,353 INFO L78 Accepts]: Start accepts. Automaton has 8385 states and 12284 transitions. Word has length 85 [2022-11-20 10:47:10,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:10,354 INFO L495 AbstractCegarLoop]: Abstraction has 8385 states and 12284 transitions. [2022-11-20 10:47:10,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-20 10:47:10,355 INFO L276 IsEmpty]: Start isEmpty. Operand 8385 states and 12284 transitions. [2022-11-20 10:47:10,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 10:47:10,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:10,356 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 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] [2022-11-20 10:47:10,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-11-20 10:47:10,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:47:10,579 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:47:10,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:10,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1365485491, now seen corresponding path program 1 times [2022-11-20 10:47:10,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:47:10,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968285074] [2022-11-20 10:47:10,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:10,588 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:47:10,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:47:10,588 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:47:10,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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 (11)] Waiting until timeout for monitored process [2022-11-20 10:47:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:27,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 9975 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:47:27,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:28,570 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-11-20 10:47:28,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:47:28,928 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-11-20 10:47:28,928 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:47:28,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968285074] [2022-11-20 10:47:28,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [968285074] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:28,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:47:28,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 10:47:28,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469095028] [2022-11-20 10:47:28,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:28,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:47:28,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:47:28,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:47:28,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:47:28,930 INFO L87 Difference]: Start difference. First operand 8385 states and 12284 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 10:47:29,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:29,949 INFO L93 Difference]: Finished difference Result 8391 states and 12289 transitions. [2022-11-20 10:47:29,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:47:29,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 90 [2022-11-20 10:47:29,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:29,985 INFO L225 Difference]: With dead ends: 8391 [2022-11-20 10:47:29,985 INFO L226 Difference]: Without dead ends: 8389 [2022-11-20 10:47:29,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:47:29,991 INFO L413 NwaCegarLoop]: 11591 mSDtfsCounter, 11555 mSDsluCounter, 23157 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11564 SdHoareTripleChecker+Valid, 34748 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:29,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11564 Valid, 34748 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:47:30,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8389 states. [2022-11-20 10:47:31,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8389 to 8389. [2022-11-20 10:47:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8389 states, 5806 states have (on average 1.3281088529107818) internal successors, (7711), 5918 states have internal predecessors, (7711), 2288 states have call successors, (2288), 295 states have call predecessors, (2288), 292 states have return successors, (2288), 2269 states have call predecessors, (2288), 2285 states have call successors, (2288) [2022-11-20 10:47:31,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8389 states to 8389 states and 12287 transitions. [2022-11-20 10:47:31,270 INFO L78 Accepts]: Start accepts. Automaton has 8389 states and 12287 transitions. Word has length 90 [2022-11-20 10:47:31,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:31,271 INFO L495 AbstractCegarLoop]: Abstraction has 8389 states and 12287 transitions. [2022-11-20 10:47:31,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 10:47:31,271 INFO L276 IsEmpty]: Start isEmpty. Operand 8389 states and 12287 transitions. [2022-11-20 10:47:31,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-20 10:47:31,272 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:31,272 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 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] [2022-11-20 10:47:31,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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 (11)] Forceful destruction successful, exit code 0 [2022-11-20 10:47:31,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:47:31,475 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:47:31,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:31,475 INFO L85 PathProgramCache]: Analyzing trace with hash 167259365, now seen corresponding path program 1 times [2022-11-20 10:47:31,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:47:31,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [663487908] [2022-11-20 10:47:31,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:31,483 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:47:31,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:47:31,485 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:47:31,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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 (12)] Waiting until timeout for monitored process [2022-11-20 10:47:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:48,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 9982 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:47:48,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-20 10:47:49,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:47:49,943 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-20 10:47:49,943 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:47:49,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [663487908] [2022-11-20 10:47:49,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [663487908] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:49,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:47:49,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 10:47:49,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101763835] [2022-11-20 10:47:49,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:49,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:47:49,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:47:49,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:47:49,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:47:49,946 INFO L87 Difference]: Start difference. First operand 8389 states and 12287 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 10:47:50,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:50,902 INFO L93 Difference]: Finished difference Result 8395 states and 12292 transitions. [2022-11-20 10:47:50,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:47:50,903 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 95 [2022-11-20 10:47:50,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:50,933 INFO L225 Difference]: With dead ends: 8395 [2022-11-20 10:47:50,933 INFO L226 Difference]: Without dead ends: 8393 [2022-11-20 10:47:50,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:47:50,939 INFO L413 NwaCegarLoop]: 11591 mSDtfsCounter, 11555 mSDsluCounter, 23157 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11563 SdHoareTripleChecker+Valid, 34748 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:50,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11563 Valid, 34748 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:47:50,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8393 states. [2022-11-20 10:47:52,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8393 to 8393. [2022-11-20 10:47:52,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8393 states, 5809 states have (on average 1.3279394043725254) internal successors, (7714), 5921 states have internal predecessors, (7714), 2288 states have call successors, (2288), 296 states have call predecessors, (2288), 293 states have return successors, (2288), 2269 states have call predecessors, (2288), 2285 states have call successors, (2288) [2022-11-20 10:47:52,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8393 states to 8393 states and 12290 transitions. [2022-11-20 10:47:52,108 INFO L78 Accepts]: Start accepts. Automaton has 8393 states and 12290 transitions. Word has length 95 [2022-11-20 10:47:52,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:52,109 INFO L495 AbstractCegarLoop]: Abstraction has 8393 states and 12290 transitions. [2022-11-20 10:47:52,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 10:47:52,109 INFO L276 IsEmpty]: Start isEmpty. Operand 8393 states and 12290 transitions. [2022-11-20 10:47:52,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-20 10:47:52,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:52,111 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 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] [2022-11-20 10:47:52,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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 (12)] Forceful destruction successful, exit code 0 [2022-11-20 10:47:52,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:47:52,326 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:47:52,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:52,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1449037581, now seen corresponding path program 1 times [2022-11-20 10:47:52,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:47:52,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190349829] [2022-11-20 10:47:52,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:52,336 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:47:52,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:47:52,337 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:47:52,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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 (13)] Waiting until timeout for monitored process [2022-11-20 10:48:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:09,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 9989 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:48:09,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:10,444 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-20 10:48:10,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:48:10,845 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-20 10:48:10,846 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:48:10,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190349829] [2022-11-20 10:48:10,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1190349829] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:48:10,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:48:10,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 10:48:10,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372730927] [2022-11-20 10:48:10,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:10,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:48:10,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:48:10,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:48:10,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:48:10,848 INFO L87 Difference]: Start difference. First operand 8393 states and 12290 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-20 10:48:11,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:11,958 INFO L93 Difference]: Finished difference Result 8399 states and 12295 transitions. [2022-11-20 10:48:11,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:48:11,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 100 [2022-11-20 10:48:11,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:48:11,979 INFO L225 Difference]: With dead ends: 8399 [2022-11-20 10:48:11,980 INFO L226 Difference]: Without dead ends: 8397 [2022-11-20 10:48:11,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:48:11,983 INFO L413 NwaCegarLoop]: 11591 mSDtfsCounter, 11555 mSDsluCounter, 23157 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11562 SdHoareTripleChecker+Valid, 34748 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:48:11,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11562 Valid, 34748 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:48:11,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8397 states. [2022-11-20 10:48:13,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8397 to 8397. [2022-11-20 10:48:13,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8397 states, 5812 states have (on average 1.3277701307639367) internal successors, (7717), 5924 states have internal predecessors, (7717), 2288 states have call successors, (2288), 297 states have call predecessors, (2288), 294 states have return successors, (2288), 2269 states have call predecessors, (2288), 2285 states have call successors, (2288) [2022-11-20 10:48:13,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8397 states to 8397 states and 12293 transitions. [2022-11-20 10:48:13,282 INFO L78 Accepts]: Start accepts. Automaton has 8397 states and 12293 transitions. Word has length 100 [2022-11-20 10:48:13,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:48:13,283 INFO L495 AbstractCegarLoop]: Abstraction has 8397 states and 12293 transitions. [2022-11-20 10:48:13,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-20 10:48:13,283 INFO L276 IsEmpty]: Start isEmpty. Operand 8397 states and 12293 transitions. [2022-11-20 10:48:13,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-20 10:48:13,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:13,286 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 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] [2022-11-20 10:48:13,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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 (13)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:13,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:48:13,487 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:48:13,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:13,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1493458341, now seen corresponding path program 1 times [2022-11-20 10:48:13,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:48:13,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [199230253] [2022-11-20 10:48:13,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:13,497 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:48:13,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:48:13,499 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:48:13,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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 (14)] Waiting until timeout for monitored process [2022-11-20 10:48:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:32,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 9996 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:48:32,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:33,391 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-20 10:48:33,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:48:33,785 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-20 10:48:33,786 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:48:33,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [199230253] [2022-11-20 10:48:33,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [199230253] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:48:33,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:48:33,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 10:48:33,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314201464] [2022-11-20 10:48:33,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:33,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:48:33,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:48:33,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:48:33,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:48:33,788 INFO L87 Difference]: Start difference. First operand 8397 states and 12293 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-20 10:48:34,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:34,971 INFO L93 Difference]: Finished difference Result 8403 states and 12298 transitions. [2022-11-20 10:48:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:48:34,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 105 [2022-11-20 10:48:34,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:48:34,993 INFO L225 Difference]: With dead ends: 8403 [2022-11-20 10:48:34,993 INFO L226 Difference]: Without dead ends: 8401 [2022-11-20 10:48:34,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:48:34,997 INFO L413 NwaCegarLoop]: 11591 mSDtfsCounter, 11555 mSDsluCounter, 23157 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11561 SdHoareTripleChecker+Valid, 34748 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:48:34,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11561 Valid, 34748 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:48:35,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8401 states. [2022-11-20 10:48:36,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8401 to 8401. [2022-11-20 10:48:36,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8401 states, 5815 states have (on average 1.3276010318142735) internal successors, (7720), 5927 states have internal predecessors, (7720), 2288 states have call successors, (2288), 298 states have call predecessors, (2288), 295 states have return successors, (2288), 2269 states have call predecessors, (2288), 2285 states have call successors, (2288) [2022-11-20 10:48:36,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8401 states to 8401 states and 12296 transitions. [2022-11-20 10:48:36,386 INFO L78 Accepts]: Start accepts. Automaton has 8401 states and 12296 transitions. Word has length 105 [2022-11-20 10:48:36,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:48:36,386 INFO L495 AbstractCegarLoop]: Abstraction has 8401 states and 12296 transitions. [2022-11-20 10:48:36,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-20 10:48:36,387 INFO L276 IsEmpty]: Start isEmpty. Operand 8401 states and 12296 transitions. [2022-11-20 10:48:36,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-20 10:48:36,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:36,388 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 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] [2022-11-20 10:48:36,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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 (14)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:36,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:48:36,589 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:48:36,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:36,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1085471283, now seen corresponding path program 1 times [2022-11-20 10:48:36,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:48:36,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1097008707] [2022-11-20 10:48:36,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:36,598 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:48:36,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:48:36,600 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:48:36,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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 (15)] Waiting until timeout for monitored process [2022-11-20 10:48:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:54,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 10003 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:48:54,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:55,365 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-11-20 10:48:55,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:48:55,731 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-11-20 10:48:55,731 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:48:55,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1097008707] [2022-11-20 10:48:55,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1097008707] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:48:55,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:48:55,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 10:48:55,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045917535] [2022-11-20 10:48:55,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:55,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:48:55,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:48:55,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:48:55,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:48:55,734 INFO L87 Difference]: Start difference. First operand 8401 states and 12296 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 10:48:57,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:57,025 INFO L93 Difference]: Finished difference Result 8407 states and 12301 transitions. [2022-11-20 10:48:57,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:48:57,032 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 110 [2022-11-20 10:48:57,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:48:57,055 INFO L225 Difference]: With dead ends: 8407 [2022-11-20 10:48:57,055 INFO L226 Difference]: Without dead ends: 8405 [2022-11-20 10:48:57,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:48:57,058 INFO L413 NwaCegarLoop]: 11591 mSDtfsCounter, 11555 mSDsluCounter, 23157 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11560 SdHoareTripleChecker+Valid, 34748 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:48:57,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11560 Valid, 34748 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:48:57,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8405 states. [2022-11-20 10:48:58,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8405 to 8405. [2022-11-20 10:48:58,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8405 states, 5818 states have (on average 1.3274321072533517) internal successors, (7723), 5930 states have internal predecessors, (7723), 2288 states have call successors, (2288), 299 states have call predecessors, (2288), 296 states have return successors, (2288), 2269 states have call predecessors, (2288), 2285 states have call successors, (2288) [2022-11-20 10:48:58,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8405 states to 8405 states and 12299 transitions. [2022-11-20 10:48:58,179 INFO L78 Accepts]: Start accepts. Automaton has 8405 states and 12299 transitions. Word has length 110 [2022-11-20 10:48:58,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:48:58,180 INFO L495 AbstractCegarLoop]: Abstraction has 8405 states and 12299 transitions. [2022-11-20 10:48:58,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 10:48:58,181 INFO L276 IsEmpty]: Start isEmpty. Operand 8405 states and 12299 transitions. [2022-11-20 10:48:58,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-20 10:48:58,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:58,183 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 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] [2022-11-20 10:48:58,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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 (15)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:58,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:48:58,385 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:48:58,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:58,386 INFO L85 PathProgramCache]: Analyzing trace with hash -125022619, now seen corresponding path program 1 times [2022-11-20 10:48:58,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:48:58,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [883289503] [2022-11-20 10:48:58,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:58,396 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:48:58,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:48:58,398 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:48:58,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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 (16)] Waiting until timeout for monitored process [2022-11-20 10:49:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:16,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 10010 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:49:16,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:49:17,034 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2022-11-20 10:49:17,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:49:17,434 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2022-11-20 10:49:17,434 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:49:17,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [883289503] [2022-11-20 10:49:17,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [883289503] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:49:17,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:49:17,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 10:49:17,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834499866] [2022-11-20 10:49:17,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:17,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:49:17,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:49:17,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:49:17,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:49:17,436 INFO L87 Difference]: Start difference. First operand 8405 states and 12299 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-20 10:49:18,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:49:18,717 INFO L93 Difference]: Finished difference Result 8411 states and 12304 transitions. [2022-11-20 10:49:18,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:49:18,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 115 [2022-11-20 10:49:18,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:49:18,743 INFO L225 Difference]: With dead ends: 8411 [2022-11-20 10:49:18,743 INFO L226 Difference]: Without dead ends: 8409 [2022-11-20 10:49:18,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:49:18,748 INFO L413 NwaCegarLoop]: 11591 mSDtfsCounter, 11555 mSDsluCounter, 23157 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11559 SdHoareTripleChecker+Valid, 34748 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:49:18,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11559 Valid, 34748 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:49:18,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8409 states. [2022-11-20 10:49:19,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8409 to 8409. [2022-11-20 10:49:19,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8409 states, 5821 states have (on average 1.3272633568115444) internal successors, (7726), 5933 states have internal predecessors, (7726), 2288 states have call successors, (2288), 300 states have call predecessors, (2288), 297 states have return successors, (2288), 2269 states have call predecessors, (2288), 2285 states have call successors, (2288) [2022-11-20 10:49:20,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8409 states to 8409 states and 12302 transitions. [2022-11-20 10:49:20,034 INFO L78 Accepts]: Start accepts. Automaton has 8409 states and 12302 transitions. Word has length 115 [2022-11-20 10:49:20,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:49:20,035 INFO L495 AbstractCegarLoop]: Abstraction has 8409 states and 12302 transitions. [2022-11-20 10:49:20,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-20 10:49:20,035 INFO L276 IsEmpty]: Start isEmpty. Operand 8409 states and 12302 transitions. [2022-11-20 10:49:20,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-20 10:49:20,037 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:49:20,037 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 3, 3, 3, 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] [2022-11-20 10:49:20,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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 (16)] Forceful destruction successful, exit code 0 [2022-11-20 10:49:20,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:49:20,238 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:49:20,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:20,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1894269811, now seen corresponding path program 1 times [2022-11-20 10:49:20,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:49:20,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218546115] [2022-11-20 10:49:20,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:20,249 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:49:20,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:49:20,250 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:49:20,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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 (17)] Waiting until timeout for monitored process [2022-11-20 10:49:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:38,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 10017 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:49:38,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:49:39,531 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-11-20 10:49:39,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:49:39,927 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-11-20 10:49:39,928 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:49:39,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218546115] [2022-11-20 10:49:39,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [218546115] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:49:39,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:49:39,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 10:49:39,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506194144] [2022-11-20 10:49:39,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:39,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:49:39,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:49:39,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:49:39,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:49:39,931 INFO L87 Difference]: Start difference. First operand 8409 states and 12302 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-20 10:49:41,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:49:41,298 INFO L93 Difference]: Finished difference Result 8415 states and 12307 transitions. [2022-11-20 10:49:41,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:49:41,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 120 [2022-11-20 10:49:41,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:49:41,319 INFO L225 Difference]: With dead ends: 8415 [2022-11-20 10:49:41,319 INFO L226 Difference]: Without dead ends: 8413 [2022-11-20 10:49:41,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:49:41,323 INFO L413 NwaCegarLoop]: 11591 mSDtfsCounter, 11555 mSDsluCounter, 23157 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11558 SdHoareTripleChecker+Valid, 34748 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:49:41,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11558 Valid, 34748 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:49:41,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8413 states. [2022-11-20 10:49:42,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8413 to 8413. [2022-11-20 10:49:42,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8413 states, 5824 states have (on average 1.3270947802197801) internal successors, (7729), 5936 states have internal predecessors, (7729), 2288 states have call successors, (2288), 301 states have call predecessors, (2288), 298 states have return successors, (2288), 2269 states have call predecessors, (2288), 2285 states have call successors, (2288) [2022-11-20 10:49:42,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8413 states to 8413 states and 12305 transitions. [2022-11-20 10:49:42,473 INFO L78 Accepts]: Start accepts. Automaton has 8413 states and 12305 transitions. Word has length 120 [2022-11-20 10:49:42,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:49:42,473 INFO L495 AbstractCegarLoop]: Abstraction has 8413 states and 12305 transitions. [2022-11-20 10:49:42,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-20 10:49:42,474 INFO L276 IsEmpty]: Start isEmpty. Operand 8413 states and 12305 transitions. [2022-11-20 10:49:42,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-20 10:49:42,475 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:49:42,475 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 3, 3, 3, 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] [2022-11-20 10:49:42,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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 (17)] Forceful destruction successful, exit code 0 [2022-11-20 10:49:42,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:49:42,676 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:49:42,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:42,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1356857125, now seen corresponding path program 1 times [2022-11-20 10:49:42,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:49:42,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779975587] [2022-11-20 10:49:42,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:42,686 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:49:42,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:49:42,687 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:49:42,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c4c640-9834-4bc7-a618-d578a4d45c94/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 (18)] Waiting until timeout for monitored process [2022-11-20 10:49:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:59,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 10024 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:49:59,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:50:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-11-20 10:50:00,759 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:50:01,164 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-11-20 10:50:01,164 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:50:01,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779975587] [2022-11-20 10:50:01,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [779975587] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:50:01,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:50:01,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 10:50:01,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537950131] [2022-11-20 10:50:01,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:50:01,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:50:01,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:50:01,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:50:01,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:50:01,167 INFO L87 Difference]: Start difference. First operand 8413 states and 12305 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)