./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.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_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 --- 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 21:16:32,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:16:32,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:16:32,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:16:32,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:16:32,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:16:32,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:16:32,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:16:32,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:16:32,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:16:32,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:16:32,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:16:32,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:16:32,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:16:32,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:16:32,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:16:32,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:16:32,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:16:32,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:16:32,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:16:32,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:16:32,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:16:32,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:16:32,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:16:32,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:16:32,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:16:32,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:16:32,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:16:32,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:16:32,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:16:32,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:16:32,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:16:32,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:16:32,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:16:32,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:16:32,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:16:32,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:16:32,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:16:32,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:16:32,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:16:32,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:16:32,438 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 21:16:32,460 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:16:32,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:16:32,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:16:32,462 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:16:32,462 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:16:32,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:16:32,463 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:16:32,463 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:16:32,463 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:16:32,464 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:16:32,464 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:16:32,464 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:16:32,464 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:16:32,465 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:16:32,465 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:16:32,465 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:16:32,465 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:16:32,465 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:16:32,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:16:32,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:16:32,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:16:32,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:16:32,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:16:32,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:16:32,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:16:32,468 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:16:32,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:16:32,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:16:32,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:16:32,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:16:32,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:16:32,469 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:16:32,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:16:32,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:16:32,470 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:16:32,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:16:32,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:16:32,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:16:32,470 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_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 [2022-11-20 21:16:32,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:16:32,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:16:32,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:16:32,750 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:16:32,751 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:16:32,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i [2022-11-20 21:16:35,866 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:16:36,671 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:16:36,672 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i [2022-11-20 21:16:36,719 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/data/743a1048b/2ffc20b783d645e49605ac84cdbbbb45/FLAGc73ef1a24 [2022-11-20 21:16:36,737 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/data/743a1048b/2ffc20b783d645e49605ac84cdbbbb45 [2022-11-20 21:16:36,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:16:36,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:16:36,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:16:36,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:16:36,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:16:36,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:16:36" (1/1) ... [2022-11-20 21:16:36,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0660ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:16:36, skipping insertion in model container [2022-11-20 21:16:36,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:16:36" (1/1) ... [2022-11-20 21:16:36,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:16:36,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:16:37,730 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 21:16:37,739 INFO L158 Benchmark]: Toolchain (without parser) took 993.78ms. Allocated memory is still 172.0MB. Free memory was 122.2MB in the beginning and 109.3MB in the end (delta: 12.9MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2022-11-20 21:16:37,740 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:16:37,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 988.38ms. Allocated memory is still 172.0MB. Free memory was 122.2MB in the beginning and 109.3MB in the end (delta: 12.9MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2022-11-20 21:16:37,742 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 988.38ms. Allocated memory is still 172.0MB. Free memory was 122.2MB in the beginning and 109.3MB in the end (delta: 12.9MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 --- 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 21:16:40,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:16:40,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:16:40,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:16:40,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:16:40,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:16:40,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:16:40,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:16:40,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:16:40,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:16:40,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:16:40,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:16:40,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:16:40,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:16:40,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:16:40,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:16:40,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:16:40,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:16:40,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:16:40,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:16:40,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:16:40,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:16:40,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:16:40,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:16:40,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:16:40,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:16:40,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:16:40,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:16:40,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:16:40,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:16:40,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:16:40,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:16:40,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:16:40,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:16:40,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:16:40,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:16:40,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:16:40,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:16:40,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:16:40,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:16:40,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:16:40,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-20 21:16:40,174 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:16:40,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:16:40,176 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:16:40,176 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:16:40,177 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:16:40,178 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:16:40,178 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:16:40,178 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:16:40,178 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:16:40,179 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:16:40,180 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:16:40,180 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:16:40,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:16:40,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:16:40,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:16:40,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:16:40,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:16:40,182 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 21:16:40,182 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 21:16:40,183 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 21:16:40,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:16:40,183 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:16:40,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:16:40,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:16:40,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 21:16:40,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:16:40,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:16:40,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:16:40,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:16:40,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:16:40,185 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 21:16:40,185 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 21:16:40,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:16:40,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:16:40,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 21:16:40,186 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_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 [2022-11-20 21:16:40,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:16:40,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:16:40,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:16:40,579 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:16:40,579 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:16:40,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i [2022-11-20 21:16:43,613 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:16:44,350 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:16:44,351 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i [2022-11-20 21:16:44,403 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/data/8e7ce508e/0d34f778200a4f3990e7417421d1637f/FLAGb9812a849 [2022-11-20 21:16:44,423 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/data/8e7ce508e/0d34f778200a4f3990e7417421d1637f [2022-11-20 21:16:44,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:16:44,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:16:44,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:16:44,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:16:44,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:16:44,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:16:44" (1/1) ... [2022-11-20 21:16:44,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e3503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:16:44, skipping insertion in model container [2022-11-20 21:16:44,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:16:44" (1/1) ... [2022-11-20 21:16:44,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:16:44,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:16:49,509 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_7c6e9d3c-a766-4734-86d4-d7192b81a443/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464820,464833] [2022-11-20 21:16:49,514 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_7c6e9d3c-a766-4734-86d4-d7192b81a443/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464989,465002] [2022-11-20 21:16:49,515 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_7c6e9d3c-a766-4734-86d4-d7192b81a443/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465156,465169] [2022-11-20 21:16:49,523 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_7c6e9d3c-a766-4734-86d4-d7192b81a443/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465324,465337] [2022-11-20 21:16:49,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:16:49,614 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 21:16:49,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:16:50,200 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_7c6e9d3c-a766-4734-86d4-d7192b81a443/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464820,464833] [2022-11-20 21:16:50,212 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_7c6e9d3c-a766-4734-86d4-d7192b81a443/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464989,465002] [2022-11-20 21:16:50,213 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_7c6e9d3c-a766-4734-86d4-d7192b81a443/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465156,465169] [2022-11-20 21:16:50,213 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_7c6e9d3c-a766-4734-86d4-d7192b81a443/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465324,465337] [2022-11-20 21:16:50,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:16:50,264 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:16:50,781 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_7c6e9d3c-a766-4734-86d4-d7192b81a443/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464820,464833] [2022-11-20 21:16:50,781 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_7c6e9d3c-a766-4734-86d4-d7192b81a443/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464989,465002] [2022-11-20 21:16:50,782 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_7c6e9d3c-a766-4734-86d4-d7192b81a443/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465156,465169] [2022-11-20 21:16:50,782 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_7c6e9d3c-a766-4734-86d4-d7192b81a443/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465324,465337] [2022-11-20 21:16:50,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:16:51,148 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:16:51,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:16:51 WrapperNode [2022-11-20 21:16:51,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:16:51,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:16:51,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:16:51,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:16:51,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:16:51" (1/1) ... [2022-11-20 21:16:51,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:16:51" (1/1) ... [2022-11-20 21:16:51,487 INFO L138 Inliner]: procedures = 677, calls = 2959, calls flagged for inlining = 321, calls inlined = 256, statements flattened = 5793 [2022-11-20 21:16:51,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:16:51,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:16:51,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:16:51,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:16:51,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:16:51" (1/1) ... [2022-11-20 21:16:51,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:16:51" (1/1) ... [2022-11-20 21:16:51,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:16:51" (1/1) ... [2022-11-20 21:16:51,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:16:51" (1/1) ... [2022-11-20 21:16:51,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:16:51" (1/1) ... [2022-11-20 21:16:51,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:16:51" (1/1) ... [2022-11-20 21:16:51,792 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:16:51" (1/1) ... [2022-11-20 21:16:51,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:16:51" (1/1) ... [2022-11-20 21:16:51,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:16:51,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:16:51,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:16:51,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:16:51,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:16:51" (1/1) ... [2022-11-20 21:16:51,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:16:51,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:16:51,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:16:51,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:16:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 21:16:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 21:16:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-20 21:16:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-20 21:16:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-20 21:16:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-20 21:16:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-20 21:16:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-20 21:16:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2022-11-20 21:16:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2022-11-20 21:16:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 21:16:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 21:16:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2022-11-20 21:16:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2022-11-20 21:16:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-20 21:16:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-20 21:16:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2022-11-20 21:16:51,938 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2022-11-20 21:16:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 21:16:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 21:16:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 21:16:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 21:16:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2022-11-20 21:16:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2022-11-20 21:16:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2022-11-20 21:16:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2022-11-20 21:16:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 21:16:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 21:16:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-20 21:16:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-20 21:16:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 21:16:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 21:16:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 21:16:51,942 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 21:16:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 21:16:51,942 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 21:16:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2022-11-20 21:16:51,943 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2022-11-20 21:16:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 21:16:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 21:16:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure jme_netpoll [2022-11-20 21:16:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_netpoll [2022-11-20 21:16:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-11-20 21:16:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-11-20 21:16:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 21:16:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 21:16:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 21:16:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 21:16:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 21:16:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 21:16:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 21:16:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 21:16:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 21:16:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 21:16:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-20 21:16:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 21:16:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 21:16:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 21:16:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 21:16:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-20 21:16:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-20 21:16:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 21:16:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 21:16:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 21:16:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2022-11-20 21:16:51,951 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2022-11-20 21:16:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-11-20 21:16:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-11-20 21:16:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 21:16:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 21:16:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 21:16:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-20 21:16:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 21:16:51,954 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 21:16:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2022-11-20 21:16:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2022-11-20 21:16:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-20 21:16:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-20 21:16:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-20 21:16:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-20 21:16:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2022-11-20 21:16:51,956 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2022-11-20 21:16:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 21:16:51,956 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 21:16:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 21:16:51,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 21:16:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 21:16:51,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 21:16:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_calibration [2022-11-20 21:16:51,957 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_calibration [2022-11-20 21:16:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 21:16:51,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 21:16:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_82 [2022-11-20 21:16:51,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_82 [2022-11-20 21:16:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2022-11-20 21:16:51,959 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2022-11-20 21:16:51,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2022-11-20 21:16:51,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2022-11-20 21:16:51,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 21:16:51,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 21:16:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_88 [2022-11-20 21:16:51,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_88 [2022-11-20 21:16:51,964 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-20 21:16:51,964 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-20 21:16:51,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 21:16:51,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 21:16:51,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 21:16:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 21:16:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-11-20 21:16:51,967 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-11-20 21:16:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-20 21:16:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-20 21:16:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 21:16:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 21:16:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2022-11-20 21:16:51,974 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2022-11-20 21:16:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2022-11-20 21:16:51,974 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2022-11-20 21:16:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2022-11-20 21:16:51,974 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2022-11-20 21:16:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 21:16:51,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 21:16:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 21:16:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 21:16:51,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 21:16:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 21:16:51,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 21:16:51,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-20 21:16:51,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-20 21:16:51,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-20 21:16:51,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-20 21:16:51,976 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2022-11-20 21:16:51,977 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2022-11-20 21:16:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:16:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 21:16:51,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 21:16:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 21:16:51,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 21:16:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 21:16:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-20 21:16:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-20 21:16:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 21:16:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 21:16:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 21:16:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 21:16:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 21:16:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-20 21:16:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-20 21:16:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-11-20 21:16:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-11-20 21:16:51,980 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2022-11-20 21:16:51,980 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2022-11-20 21:16:51,980 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 21:16:51,980 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 21:16:51,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 21:16:51,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 21:16:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 21:16:51,981 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 21:16:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 21:16:51,981 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 21:16:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 21:16:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2022-11-20 21:16:51,982 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2022-11-20 21:16:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-20 21:16:51,982 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-20 21:16:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:16:51,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:16:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-20 21:16:51,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-20 21:16:51,983 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-20 21:16:51,984 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-20 21:16:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 21:16:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2022-11-20 21:16:51,984 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2022-11-20 21:16:51,986 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2022-11-20 21:16:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2022-11-20 21:16:51,986 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 21:16:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 21:16:51,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 21:16:51,987 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2022-11-20 21:16:51,987 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2022-11-20 21:16:51,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 21:16:51,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 21:16:51,987 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2022-11-20 21:16:51,988 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2022-11-20 21:16:51,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 21:16:51,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 21:16:51,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 21:16:51,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 21:16:51,988 INFO L130 BoogieDeclarations]: Found specification of procedure jme_remove_one [2022-11-20 21:16:51,988 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_remove_one [2022-11-20 21:16:51,989 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2022-11-20 21:16:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2022-11-20 21:16:51,989 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2022-11-20 21:16:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2022-11-20 21:16:51,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-11-20 21:16:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-11-20 21:16:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2022-11-20 21:16:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2022-11-20 21:16:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 21:16:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 21:16:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 21:16:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 21:16:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-11-20 21:16:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-11-20 21:16:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure jme_intr_msi [2022-11-20 21:16:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_intr_msi [2022-11-20 21:16:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2022-11-20 21:16:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2022-11-20 21:16:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2022-11-20 21:16:51,992 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2022-11-20 21:16:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2022-11-20 21:16:51,992 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2022-11-20 21:16:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-20 21:16:51,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-20 21:16:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 21:16:51,993 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 21:16:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 21:16:51,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 21:16:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 21:16:51,993 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 21:16:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-20 21:16:51,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-20 21:16:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-20 21:16:51,994 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-20 21:16:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2022-11-20 21:16:51,994 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2022-11-20 21:16:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 21:16:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 21:16:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 21:16:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-20 21:16:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-20 21:16:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 21:16:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 21:16:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 21:16:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2022-11-20 21:16:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2022-11-20 21:16:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2022-11-20 21:16:52,002 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2022-11-20 21:16:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2022-11-20 21:16:52,003 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2022-11-20 21:16:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 21:16:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 21:16:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 21:16:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 21:16:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 21:16:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2022-11-20 21:16:52,004 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2022-11-20 21:16:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-20 21:16:52,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-20 21:16:52,004 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 21:16:52,004 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 21:16:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 21:16:52,005 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 21:16:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 21:16:52,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 21:16:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2022-11-20 21:16:52,005 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2022-11-20 21:16:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_setEA [2022-11-20 21:16:52,006 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_setEA [2022-11-20 21:16:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-20 21:16:52,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-20 21:16:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2022-11-20 21:16:52,006 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2022-11-20 21:16:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-20 21:16:52,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-20 21:16:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2022-11-20 21:16:52,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2022-11-20 21:16:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_87 [2022-11-20 21:16:52,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_87 [2022-11-20 21:16:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 21:16:52,007 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 21:16:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 21:16:52,008 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 21:16:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_read [2022-11-20 21:16:52,008 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_read [2022-11-20 21:16:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_81 [2022-11-20 21:16:52,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_81 [2022-11-20 21:16:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2022-11-20 21:16:52,009 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2022-11-20 21:16:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-11-20 21:16:52,009 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-11-20 21:16:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 21:16:52,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 21:16:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2022-11-20 21:16:52,009 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2022-11-20 21:16:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 21:16:52,010 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 21:16:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2022-11-20 21:16:52,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2022-11-20 21:16:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-20 21:16:52,010 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-20 21:16:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2022-11-20 21:16:52,011 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2022-11-20 21:16:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 21:16:52,011 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 21:16:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure jme_shutdown [2022-11-20 21:16:52,011 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_shutdown [2022-11-20 21:16:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 21:16:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2022-11-20 21:16:52,012 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2022-11-20 21:16:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 21:16:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 21:16:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 21:16:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2022-11-20 21:16:52,012 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2022-11-20 21:16:52,013 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2022-11-20 21:16:52,013 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2022-11-20 21:16:52,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 21:16:52,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 21:16:52,013 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_write [2022-11-20 21:16:52,013 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_write [2022-11-20 21:16:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 21:16:52,014 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 21:16:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2022-11-20 21:16:52,014 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2022-11-20 21:16:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2022-11-20 21:16:52,014 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2022-11-20 21:16:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-20 21:16:52,015 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-20 21:16:52,015 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-20 21:16:52,015 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-20 21:16:52,015 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2022-11-20 21:16:52,015 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2022-11-20 21:16:52,015 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-11-20 21:16:52,016 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-11-20 21:16:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 21:16:52,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 21:16:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2022-11-20 21:16:52,016 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2022-11-20 21:16:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2022-11-20 21:16:52,016 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2022-11-20 21:16:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2022-11-20 21:16:52,017 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2022-11-20 21:16:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2022-11-20 21:16:52,017 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2022-11-20 21:16:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-20 21:16:52,017 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-20 21:16:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 21:16:52,018 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 21:16:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2022-11-20 21:16:52,018 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2022-11-20 21:16:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 21:16:52,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 21:16:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-20 21:16:52,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-20 21:16:52,019 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-11-20 21:16:52,019 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-11-20 21:16:53,170 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:16:53,175 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:17:00,181 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 21:17:40,653 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 21:17:41,224 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:17:41,247 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:17:41,248 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 21:17:41,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:17:41 BoogieIcfgContainer [2022-11-20 21:17:41,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:17:41,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:17:41,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:17:41,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:17:41,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:16:44" (1/3) ... [2022-11-20 21:17:41,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a3df6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:17:41, skipping insertion in model container [2022-11-20 21:17:41,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:16:51" (2/3) ... [2022-11-20 21:17:41,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a3df6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:17:41, skipping insertion in model container [2022-11-20 21:17:41,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:17:41" (3/3) ... [2022-11-20 21:17:41,264 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i [2022-11-20 21:17:41,285 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:17:41,286 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-20 21:17:41,398 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:17:41,405 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=FINITE_AUTOMATA, 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;@326d1815, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:17:41,405 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-20 21:17:41,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 2669 states, 1773 states have (on average 1.263395375070502) internal successors, (2240), 1824 states have internal predecessors, (2240), 740 states have call successors, (740), 158 states have call predecessors, (740), 157 states have return successors, (731), 715 states have call predecessors, (731), 731 states have call successors, (731) [2022-11-20 21:17:41,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-20 21:17:41,458 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:41,459 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:17:41,460 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 21:17:41,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:41,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1087452669, now seen corresponding path program 1 times [2022-11-20 21:17:41,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:17:41,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642986153] [2022-11-20 21:17:41,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:41,485 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 21:17:41,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:17:41,487 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:17:41,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:17:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:43,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 1296 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 21:17:43,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:17:43,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-11-20 21:17:43,492 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:17:43,492 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:17:43,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642986153] [2022-11-20 21:17:43,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642986153] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:43,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:43,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:17:43,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252669702] [2022-11-20 21:17:43,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:43,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:17:43,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:17:43,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:17:43,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:43,541 INFO L87 Difference]: Start difference. First operand has 2669 states, 1773 states have (on average 1.263395375070502) internal successors, (2240), 1824 states have internal predecessors, (2240), 740 states have call successors, (740), 158 states have call predecessors, (740), 157 states have return successors, (731), 715 states have call predecessors, (731), 731 states have call successors, (731) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-20 21:17:44,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:44,418 INFO L93 Difference]: Finished difference Result 7793 states and 11041 transitions. [2022-11-20 21:17:44,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:17:44,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 226 [2022-11-20 21:17:44,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:44,468 INFO L225 Difference]: With dead ends: 7793 [2022-11-20 21:17:44,468 INFO L226 Difference]: Without dead ends: 5152 [2022-11-20 21:17:44,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:44,492 INFO L413 NwaCegarLoop]: 4354 mSDtfsCounter, 3501 mSDsluCounter, 3616 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3501 SdHoareTripleChecker+Valid, 7970 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:44,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3501 Valid, 7970 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 21:17:44,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5152 states. [2022-11-20 21:17:44,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5152 to 5148. [2022-11-20 21:17:44,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5148 states, 3436 states have (on average 1.2564027939464493) internal successors, (4317), 3531 states have internal predecessors, (4317), 1399 states have call successors, (1399), 311 states have call predecessors, (1399), 310 states have return successors, (1395), 1363 states have call predecessors, (1395), 1395 states have call successors, (1395) [2022-11-20 21:17:44,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5148 states to 5148 states and 7111 transitions. [2022-11-20 21:17:44,924 INFO L78 Accepts]: Start accepts. Automaton has 5148 states and 7111 transitions. Word has length 226 [2022-11-20 21:17:44,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:44,928 INFO L495 AbstractCegarLoop]: Abstraction has 5148 states and 7111 transitions. [2022-11-20 21:17:44,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-20 21:17:44,929 INFO L276 IsEmpty]: Start isEmpty. Operand 5148 states and 7111 transitions. [2022-11-20 21:17:44,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-11-20 21:17:44,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:44,948 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:17:44,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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)] Ended with exit code 0 [2022-11-20 21:17:45,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:17:45,162 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 21:17:45,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:45,162 INFO L85 PathProgramCache]: Analyzing trace with hash 296855651, now seen corresponding path program 1 times [2022-11-20 21:17:45,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:17:45,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251213696] [2022-11-20 21:17:45,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:45,165 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 21:17:45,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:17:45,170 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:17:45,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:17:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:46,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 1388 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 21:17:46,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:17:47,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-11-20 21:17:47,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:17:47,110 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:17:47,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251213696] [2022-11-20 21:17:47,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [251213696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:47,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:47,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:17:47,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659576615] [2022-11-20 21:17:47,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:47,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:17:47,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:17:47,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:17:47,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:47,114 INFO L87 Difference]: Start difference. First operand 5148 states and 7111 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-20 21:17:48,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:48,435 INFO L93 Difference]: Finished difference Result 13968 states and 19261 transitions. [2022-11-20 21:17:48,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:17:48,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 235 [2022-11-20 21:17:48,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:48,508 INFO L225 Difference]: With dead ends: 13968 [2022-11-20 21:17:48,508 INFO L226 Difference]: Without dead ends: 8861 [2022-11-20 21:17:48,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:48,542 INFO L413 NwaCegarLoop]: 4201 mSDtfsCounter, 2610 mSDsluCounter, 3528 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2610 SdHoareTripleChecker+Valid, 7729 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:48,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2610 Valid, 7729 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 21:17:48,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8861 states. [2022-11-20 21:17:49,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8861 to 8827. [2022-11-20 21:17:49,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8827 states, 5821 states have (on average 1.252362137089847) internal successors, (7290), 5999 states have internal predecessors, (7290), 2432 states have call successors, (2432), 574 states have call predecessors, (2432), 571 states have return successors, (2430), 2357 states have call predecessors, (2430), 2428 states have call successors, (2430) [2022-11-20 21:17:49,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8827 states to 8827 states and 12152 transitions. [2022-11-20 21:17:49,341 INFO L78 Accepts]: Start accepts. Automaton has 8827 states and 12152 transitions. Word has length 235 [2022-11-20 21:17:49,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:49,343 INFO L495 AbstractCegarLoop]: Abstraction has 8827 states and 12152 transitions. [2022-11-20 21:17:49,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-20 21:17:49,344 INFO L276 IsEmpty]: Start isEmpty. Operand 8827 states and 12152 transitions. [2022-11-20 21:17:49,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-20 21:17:49,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:49,351 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:17:49,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:17:49,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:17:49,567 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 21:17:49,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:49,568 INFO L85 PathProgramCache]: Analyzing trace with hash -580922776, now seen corresponding path program 1 times [2022-11-20 21:17:49,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:17:49,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679111750] [2022-11-20 21:17:49,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:49,570 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 21:17:49,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:17:49,575 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:17:49,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:17:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:51,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 21:17:51,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:17:51,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-11-20 21:17:51,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:17:51,270 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:17:51,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1679111750] [2022-11-20 21:17:51,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1679111750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:51,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:51,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:17:51,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841588184] [2022-11-20 21:17:51,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:51,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:17:51,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:17:51,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:17:51,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:51,273 INFO L87 Difference]: Start difference. First operand 8827 states and 12152 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-20 21:17:53,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:53,117 INFO L93 Difference]: Finished difference Result 25385 states and 34940 transitions. [2022-11-20 21:17:53,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:17:53,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 238 [2022-11-20 21:17:53,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:53,259 INFO L225 Difference]: With dead ends: 25385 [2022-11-20 21:17:53,259 INFO L226 Difference]: Without dead ends: 16599 [2022-11-20 21:17:53,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:53,315 INFO L413 NwaCegarLoop]: 4734 mSDtfsCounter, 3301 mSDsluCounter, 3552 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3301 SdHoareTripleChecker+Valid, 8286 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:53,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3301 Valid, 8286 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 21:17:53,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16599 states. [2022-11-20 21:17:54,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16599 to 16561. [2022-11-20 21:17:54,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16561 states, 10867 states have (on average 1.2446857458360172) internal successors, (13526), 11197 states have internal predecessors, (13526), 4578 states have call successors, (4578), 1118 states have call predecessors, (4578), 1113 states have return successors, (4576), 4443 states have call predecessors, (4576), 4574 states have call successors, (4576) [2022-11-20 21:17:54,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16561 states to 16561 states and 22680 transitions. [2022-11-20 21:17:54,656 INFO L78 Accepts]: Start accepts. Automaton has 16561 states and 22680 transitions. Word has length 238 [2022-11-20 21:17:54,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:54,657 INFO L495 AbstractCegarLoop]: Abstraction has 16561 states and 22680 transitions. [2022-11-20 21:17:54,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-20 21:17:54,658 INFO L276 IsEmpty]: Start isEmpty. Operand 16561 states and 22680 transitions. [2022-11-20 21:17:54,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-11-20 21:17:54,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:54,681 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:17:54,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:17:54,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:17:54,901 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 21:17:54,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:54,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1011644881, now seen corresponding path program 1 times [2022-11-20 21:17:54,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:17:54,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [17710560] [2022-11-20 21:17:54,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:54,904 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 21:17:54,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:17:54,906 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:17:54,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:17:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:56,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 1374 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 21:17:56,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:17:56,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-11-20 21:17:56,489 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:17:56,489 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:17:56,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [17710560] [2022-11-20 21:17:56,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [17710560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:56,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:56,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:17:56,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645100534] [2022-11-20 21:17:56,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:56,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:17:56,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:17:56,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:17:56,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:56,491 INFO L87 Difference]: Start difference. First operand 16561 states and 22680 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-20 21:17:58,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:58,147 INFO L93 Difference]: Finished difference Result 34476 states and 47104 transitions. [2022-11-20 21:17:58,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:17:58,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 242 [2022-11-20 21:17:58,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:58,247 INFO L225 Difference]: With dead ends: 34476 [2022-11-20 21:17:58,247 INFO L226 Difference]: Without dead ends: 17956 [2022-11-20 21:17:58,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:58,321 INFO L413 NwaCegarLoop]: 5288 mSDtfsCounter, 3084 mSDsluCounter, 3581 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3084 SdHoareTripleChecker+Valid, 8869 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:58,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3084 Valid, 8869 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 21:17:58,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17956 states. [2022-11-20 21:17:59,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17956 to 17920. [2022-11-20 21:17:59,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17920 states, 11720 states have (on average 1.2366894197952218) internal successors, (14494), 12090 states have internal predecessors, (14494), 4923 states have call successors, (4923), 1282 states have call predecessors, (4923), 1274 states have return successors, (4921), 4760 states have call predecessors, (4921), 4919 states have call successors, (4921) [2022-11-20 21:17:59,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17920 states to 17920 states and 24338 transitions. [2022-11-20 21:17:59,814 INFO L78 Accepts]: Start accepts. Automaton has 17920 states and 24338 transitions. Word has length 242 [2022-11-20 21:17:59,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:59,815 INFO L495 AbstractCegarLoop]: Abstraction has 17920 states and 24338 transitions. [2022-11-20 21:17:59,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-20 21:17:59,816 INFO L276 IsEmpty]: Start isEmpty. Operand 17920 states and 24338 transitions. [2022-11-20 21:17:59,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-11-20 21:17:59,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:59,822 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 18, 18, 18, 18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:17:59,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 21:18:00,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:18:00,049 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 21:18:00,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:18:00,050 INFO L85 PathProgramCache]: Analyzing trace with hash 525924073, now seen corresponding path program 1 times [2022-11-20 21:18:00,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:18:00,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108768323] [2022-11-20 21:18:00,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:18:00,052 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 21:18:00,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:18:00,053 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:18:00,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:18:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:18:01,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 1446 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 21:18:01,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:18:01,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-11-20 21:18:01,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:18:01,726 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:18:01,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108768323] [2022-11-20 21:18:01,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108768323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:18:01,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:18:01,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:18:01,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542580821] [2022-11-20 21:18:01,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:18:01,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:18:01,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:18:01,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:18:01,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:18:01,728 INFO L87 Difference]: Start difference. First operand 17920 states and 24338 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-20 21:18:03,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:18:03,279 INFO L93 Difference]: Finished difference Result 46598 states and 63365 transitions. [2022-11-20 21:18:03,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:18:03,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 263 [2022-11-20 21:18:03,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:18:03,427 INFO L225 Difference]: With dead ends: 46598 [2022-11-20 21:18:03,428 INFO L226 Difference]: Without dead ends: 28719 [2022-11-20 21:18:03,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:18:03,494 INFO L413 NwaCegarLoop]: 4797 mSDtfsCounter, 3470 mSDsluCounter, 3601 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3470 SdHoareTripleChecker+Valid, 8398 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 21:18:03,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3470 Valid, 8398 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 21:18:03,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28719 states. [2022-11-20 21:18:05,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28719 to 28673. [2022-11-20 21:18:05,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28673 states, 18951 states have (on average 1.2377710938736741) internal successors, (23457), 19557 states have internal predecessors, (23457), 7740 states have call successors, (7740), 1994 states have call predecessors, (7740), 1979 states have return successors, (7740), 7458 states have call predecessors, (7740), 7736 states have call successors, (7740) [2022-11-20 21:18:05,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28673 states to 28673 states and 38937 transitions. [2022-11-20 21:18:05,553 INFO L78 Accepts]: Start accepts. Automaton has 28673 states and 38937 transitions. Word has length 263 [2022-11-20 21:18:05,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:18:05,554 INFO L495 AbstractCegarLoop]: Abstraction has 28673 states and 38937 transitions. [2022-11-20 21:18:05,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-20 21:18:05,555 INFO L276 IsEmpty]: Start isEmpty. Operand 28673 states and 38937 transitions. [2022-11-20 21:18:05,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-11-20 21:18:05,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:18:05,560 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:18:05,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:18:05,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:18:05,775 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 21:18:05,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:18:05,776 INFO L85 PathProgramCache]: Analyzing trace with hash -804930009, now seen corresponding path program 1 times [2022-11-20 21:18:05,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:18:05,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [431873078] [2022-11-20 21:18:05,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:18:05,778 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 21:18:05,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:18:05,780 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:18:05,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:18:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:18:07,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 21:18:07,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:18:07,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2022-11-20 21:18:07,477 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:18:07,477 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:18:07,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [431873078] [2022-11-20 21:18:07,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [431873078] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:18:07,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:18:07,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:18:07,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817796929] [2022-11-20 21:18:07,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:18:07,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:18:07,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:18:07,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:18:07,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:18:07,481 INFO L87 Difference]: Start difference. First operand 28673 states and 38937 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 21:18:10,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:18:10,520 INFO L93 Difference]: Finished difference Result 84767 states and 115162 transitions. [2022-11-20 21:18:10,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:18:10,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 282 [2022-11-20 21:18:10,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:18:10,810 INFO L225 Difference]: With dead ends: 84767 [2022-11-20 21:18:10,811 INFO L226 Difference]: Without dead ends: 56247 [2022-11-20 21:18:10,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:18:10,932 INFO L413 NwaCegarLoop]: 6329 mSDtfsCounter, 3459 mSDsluCounter, 3619 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3459 SdHoareTripleChecker+Valid, 9948 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 21:18:10,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3459 Valid, 9948 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 21:18:10,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56247 states. [2022-11-20 21:18:14,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56247 to 56243. [2022-11-20 21:18:14,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56243 states, 37192 states have (on average 1.2376586362658637) internal successors, (46031), 38330 states have internal predecessors, (46031), 15148 states have call successors, (15148), 3921 states have call predecessors, (15148), 3900 states have return successors, (15152), 14665 states have call predecessors, (15152), 15144 states have call successors, (15152) [2022-11-20 21:18:14,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56243 states to 56243 states and 76331 transitions. [2022-11-20 21:18:14,761 INFO L78 Accepts]: Start accepts. Automaton has 56243 states and 76331 transitions. Word has length 282 [2022-11-20 21:18:14,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:18:14,762 INFO L495 AbstractCegarLoop]: Abstraction has 56243 states and 76331 transitions. [2022-11-20 21:18:14,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 21:18:14,762 INFO L276 IsEmpty]: Start isEmpty. Operand 56243 states and 76331 transitions. [2022-11-20 21:18:14,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-11-20 21:18:14,768 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:18:14,768 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:18:14,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:18:14,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:18:14,992 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 21:18:14,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:18:14,992 INFO L85 PathProgramCache]: Analyzing trace with hash -664381399, now seen corresponding path program 1 times [2022-11-20 21:18:14,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:18:14,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1163804627] [2022-11-20 21:18:14,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:18:14,994 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 21:18:14,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:18:14,996 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:18:15,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:18:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:18:16,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:18:16,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:18:19,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-11-20 21:18:19,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:18:19,730 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:18:19,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1163804627] [2022-11-20 21:18:19,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1163804627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:18:19,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:18:19,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 21:18:19,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563977157] [2022-11-20 21:18:19,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:18:19,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:18:19,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:18:19,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:18:19,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:18:19,733 INFO L87 Difference]: Start difference. First operand 56243 states and 76331 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-11-20 21:18:23,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:18:23,339 INFO L93 Difference]: Finished difference Result 56249 states and 76336 transitions. [2022-11-20 21:18:23,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 21:18:23,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 282 [2022-11-20 21:18:23,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:18:23,576 INFO L225 Difference]: With dead ends: 56249 [2022-11-20 21:18:23,576 INFO L226 Difference]: Without dead ends: 56247 [2022-11-20 21:18:23,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 21:18:23,604 INFO L413 NwaCegarLoop]: 3643 mSDtfsCounter, 3538 mSDsluCounter, 7269 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3539 SdHoareTripleChecker+Valid, 10912 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 21:18:23,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3539 Valid, 10912 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 21:18:23,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56247 states. [2022-11-20 21:18:27,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56247 to 56247. [2022-11-20 21:18:27,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56247 states, 37195 states have (on average 1.237639467670386) internal successors, (46034), 38333 states have internal predecessors, (46034), 15148 states have call successors, (15148), 3922 states have call predecessors, (15148), 3901 states have return successors, (15152), 14665 states have call predecessors, (15152), 15144 states have call successors, (15152) [2022-11-20 21:18:27,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56247 states to 56247 states and 76334 transitions. [2022-11-20 21:18:27,537 INFO L78 Accepts]: Start accepts. Automaton has 56247 states and 76334 transitions. Word has length 282 [2022-11-20 21:18:27,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:18:27,539 INFO L495 AbstractCegarLoop]: Abstraction has 56247 states and 76334 transitions. [2022-11-20 21:18:27,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-11-20 21:18:27,539 INFO L276 IsEmpty]: Start isEmpty. Operand 56247 states and 76334 transitions. [2022-11-20 21:18:27,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-11-20 21:18:27,545 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:18:27,545 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:18:27,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:18:27,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:18:27,758 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 21:18:27,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:18:27,760 INFO L85 PathProgramCache]: Analyzing trace with hash 269212045, now seen corresponding path program 1 times [2022-11-20 21:18:27,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:18:27,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625531885] [2022-11-20 21:18:27,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:18:27,761 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 21:18:27,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:18:27,763 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:18:27,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:18:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:18:29,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 1428 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:18:29,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:18:32,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-11-20 21:18:32,411 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:18:33,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-11-20 21:18:33,722 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:18:33,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [625531885] [2022-11-20 21:18:33,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [625531885] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 21:18:33,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:18:33,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 21:18:33,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113141504] [2022-11-20 21:18:33,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:18:33,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:18:33,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:18:33,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:18:33,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 21:18:33,726 INFO L87 Difference]: Start difference. First operand 56247 states and 76334 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 21:18:37,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:18:37,595 INFO L93 Difference]: Finished difference Result 56253 states and 76339 transitions. [2022-11-20 21:18:37,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:18:37,596 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 287 [2022-11-20 21:18:37,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:18:37,842 INFO L225 Difference]: With dead ends: 56253 [2022-11-20 21:18:37,842 INFO L226 Difference]: Without dead ends: 56251 [2022-11-20 21:18:37,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 21:18:37,873 INFO L413 NwaCegarLoop]: 3646 mSDtfsCounter, 3560 mSDsluCounter, 7268 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3575 SdHoareTripleChecker+Valid, 10914 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 21:18:37,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3575 Valid, 10914 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 21:18:37,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56251 states. [2022-11-20 21:18:41,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56251 to 56251. [2022-11-20 21:18:41,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56251 states, 37198 states have (on average 1.237620302166783) internal successors, (46037), 38336 states have internal predecessors, (46037), 15148 states have call successors, (15148), 3923 states have call predecessors, (15148), 3902 states have return successors, (15152), 14665 states have call predecessors, (15152), 15144 states have call successors, (15152) [2022-11-20 21:18:41,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56251 states to 56251 states and 76337 transitions. [2022-11-20 21:18:41,991 INFO L78 Accepts]: Start accepts. Automaton has 56251 states and 76337 transitions. Word has length 287 [2022-11-20 21:18:41,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:18:41,992 INFO L495 AbstractCegarLoop]: Abstraction has 56251 states and 76337 transitions. [2022-11-20 21:18:41,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 21:18:41,993 INFO L276 IsEmpty]: Start isEmpty. Operand 56251 states and 76337 transitions. [2022-11-20 21:18:41,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-11-20 21:18:41,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:18:41,998 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:18:42,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:18:42,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:18:42,211 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 21:18:42,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:18:42,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1552896407, now seen corresponding path program 1 times [2022-11-20 21:18:42,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:18:42,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1631511109] [2022-11-20 21:18:42,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:18:42,214 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 21:18:42,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:18:42,215 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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 21:18:42,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6e9d3c-a766-4734-86d4-d7192b81a443/bin/utaipan-6cKwYrpEi9/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