./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.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_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:30:11,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:30:11,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:30:11,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:30:11,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:30:11,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:30:11,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:30:11,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:30:11,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:30:11,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:30:11,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:30:11,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:30:11,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:30:11,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:30:11,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:30:11,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:30:11,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:30:11,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:30:11,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:30:11,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:30:11,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:30:11,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:30:11,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:30:11,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:30:11,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:30:11,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:30:11,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:30:11,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:30:11,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:30:11,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:30:11,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:30:11,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:30:11,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:30:11,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:30:11,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:30:11,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:30:11,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:30:11,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:30:11,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:30:11,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:30:11,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:30:11,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:30:11,717 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:30:11,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:30:11,718 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:30:11,718 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:30:11,719 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:30:11,720 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:30:11,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:30:11,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:30:11,721 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:30:11,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:30:11,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:30:11,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:30:11,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:30:11,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:30:11,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:30:11,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:30:11,723 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:30:11,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:30:11,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:30:11,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:30:11,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:30:11,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:11,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:30:11,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:30:11,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:30:11,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:30:11,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:30:11,725 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:30:11,725 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:30:11,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:30:11,726 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_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 [2022-11-20 10:30:12,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:30:12,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:30:12,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:30:12,074 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:30:12,074 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:30:12,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-11-20 10:30:15,295 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:30:16,004 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:30:16,005 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-11-20 10:30:16,068 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/data/651578e19/29160b75906e43b2bf97163928afd42a/FLAGe8a6b93cd [2022-11-20 10:30:16,089 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/data/651578e19/29160b75906e43b2bf97163928afd42a [2022-11-20 10:30:16,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:30:16,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:30:16,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:16,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:30:16,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:30:16,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:16" (1/1) ... [2022-11-20 10:30:16,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ac9b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:16, skipping insertion in model container [2022-11-20 10:30:16,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:16" (1/1) ... [2022-11-20 10:30:16,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:30:16,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:30:17,238 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 10:30:17,252 INFO L158 Benchmark]: Toolchain (without parser) took 1156.39ms. Allocated memory was 157.3MB in the beginning and 234.9MB in the end (delta: 77.6MB). Free memory was 89.6MB in the beginning and 158.4MB in the end (delta: -68.8MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2022-11-20 10:30:17,253 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:30:17,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1152.66ms. Allocated memory was 157.3MB in the beginning and 234.9MB in the end (delta: 77.6MB). Free memory was 89.6MB in the beginning and 158.4MB in the end (delta: -68.8MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2022-11-20 10:30:17,257 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1152.66ms. Allocated memory was 157.3MB in the beginning and 234.9MB in the end (delta: 77.6MB). Free memory was 89.6MB in the beginning and 158.4MB in the end (delta: -68.8MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:30:19,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:30:19,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:30:19,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:30:19,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:30:19,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:30:19,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:30:19,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:30:19,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:30:19,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:30:19,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:30:19,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:30:19,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:30:19,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:30:19,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:30:19,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:30:19,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:30:19,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:30:19,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:30:19,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:30:19,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:30:19,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:30:19,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:30:19,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:30:19,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:30:19,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:30:19,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:30:19,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:30:19,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:30:19,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:30:19,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:30:19,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:30:19,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:30:19,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:30:19,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:30:19,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:30:19,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:30:19,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:30:19,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:30:19,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:30:19,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:30:19,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:30:19,848 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:30:19,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:30:19,848 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:30:19,849 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:30:19,850 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:30:19,850 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:30:19,851 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:30:19,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:30:19,851 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:30:19,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:30:19,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:30:19,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:30:19,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:30:19,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:30:19,853 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:30:19,853 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:30:19,854 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:30:19,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:30:19,854 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:30:19,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:30:19,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:30:19,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:30:19,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:30:19,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:19,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:30:19,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:30:19,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:30:19,857 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:30:19,857 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:30:19,857 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:30:19,858 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:30:19,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:30:19,858 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:30:19,858 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_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 [2022-11-20 10:30:20,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:30:20,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:30:20,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:30:20,315 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:30:20,315 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:30:20,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-11-20 10:30:23,425 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:30:24,248 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:30:24,248 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-11-20 10:30:24,339 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/data/eff3f4143/f607b428ec1b437f81731d83709ccf89/FLAG745d5a8df [2022-11-20 10:30:24,367 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/data/eff3f4143/f607b428ec1b437f81731d83709ccf89 [2022-11-20 10:30:24,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:30:24,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:30:24,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:24,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:30:24,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:30:24,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:24" (1/1) ... [2022-11-20 10:30:24,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2322d778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:24, skipping insertion in model container [2022-11-20 10:30:24,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:24" (1/1) ... [2022-11-20 10:30:24,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:30:24,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:30:29,367 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_08942c3d-27e4-4f14-ae9c-706bd74a6c70/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2022-11-20 10:30:29,372 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_08942c3d-27e4-4f14-ae9c-706bd74a6c70/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2022-11-20 10:30:29,373 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_08942c3d-27e4-4f14-ae9c-706bd74a6c70/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2022-11-20 10:30:29,374 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_08942c3d-27e4-4f14-ae9c-706bd74a6c70/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2022-11-20 10:30:29,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:29,454 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 10:30:29,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:30:30,148 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_08942c3d-27e4-4f14-ae9c-706bd74a6c70/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2022-11-20 10:30:30,150 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_08942c3d-27e4-4f14-ae9c-706bd74a6c70/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2022-11-20 10:30:30,150 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_08942c3d-27e4-4f14-ae9c-706bd74a6c70/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2022-11-20 10:30:30,151 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_08942c3d-27e4-4f14-ae9c-706bd74a6c70/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2022-11-20 10:30:30,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:30,198 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:30:30,712 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_08942c3d-27e4-4f14-ae9c-706bd74a6c70/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2022-11-20 10:30:30,713 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_08942c3d-27e4-4f14-ae9c-706bd74a6c70/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2022-11-20 10:30:30,713 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_08942c3d-27e4-4f14-ae9c-706bd74a6c70/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2022-11-20 10:30:30,714 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_08942c3d-27e4-4f14-ae9c-706bd74a6c70/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2022-11-20 10:30:30,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:30,981 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:30:30,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:30 WrapperNode [2022-11-20 10:30:30,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:30,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:30,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:30:30,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:30:30,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:30" (1/1) ... [2022-11-20 10:30:31,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:30" (1/1) ... [2022-11-20 10:30:31,542 INFO L138 Inliner]: procedures = 582, calls = 5350, calls flagged for inlining = 289, calls inlined = 261, statements flattened = 11037 [2022-11-20 10:30:31,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:31,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:30:31,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:30:31,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:30:31,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:30" (1/1) ... [2022-11-20 10:30:31,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:30" (1/1) ... [2022-11-20 10:30:31,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:30" (1/1) ... [2022-11-20 10:30:31,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:30" (1/1) ... [2022-11-20 10:30:32,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:30" (1/1) ... [2022-11-20 10:30:32,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:30" (1/1) ... [2022-11-20 10:30:32,125 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:30" (1/1) ... [2022-11-20 10:30:32,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:30" (1/1) ... [2022-11-20 10:30:32,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:30:32,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:30:32,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:30:32,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:30:32,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:30" (1/1) ... [2022-11-20 10:30:32,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:32,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:32,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:32,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:30:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2022-11-20 10:30:32,307 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2022-11-20 10:30:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2022-11-20 10:30:32,308 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2022-11-20 10:30:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-20 10:30:32,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-20 10:30:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 10:30:32,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 10:30:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-20 10:30:32,309 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-20 10:30:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 10:30:32,309 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 10:30:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2022-11-20 10:30:32,310 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2022-11-20 10:30:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2022-11-20 10:30:32,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2022-11-20 10:30:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 10:30:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 10:30:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-20 10:30:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-20 10:30:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 10:30:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 10:30:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 10:30:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 10:30:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-20 10:30:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-20 10:30:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 10:30:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 10:30:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-20 10:30:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-20 10:30:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-11-20 10:30:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-11-20 10:30:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-20 10:30:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-20 10:30:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-20 10:30:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-20 10:30:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-20 10:30:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-20 10:30:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 10:30:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 10:30:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 10:30:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 10:30:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 10:30:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 10:30:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2022-11-20 10:30:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2022-11-20 10:30:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 10:30:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 10:30:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-20 10:30:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-20 10:30:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 10:30:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 10:30:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 10:30:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 10:30:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 10:30:32,321 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 10:30:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-20 10:30:32,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-20 10:30:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:30:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2022-11-20 10:30:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2022-11-20 10:30:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_61 [2022-11-20 10:30:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_61 [2022-11-20 10:30:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 10:30:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2022-11-20 10:30:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2022-11-20 10:30:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 10:30:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 10:30:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 10:30:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-20 10:30:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-20 10:30:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2022-11-20 10:30:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2022-11-20 10:30:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 10:30:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 10:30:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2022-11-20 10:30:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2022-11-20 10:30:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2022-11-20 10:30:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2022-11-20 10:30:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2022-11-20 10:30:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2022-11-20 10:30:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2022-11-20 10:30:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2022-11-20 10:30:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2022-11-20 10:30:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2022-11-20 10:30:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 10:30:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 10:30:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 10:30:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 10:30:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 10:30:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 10:30:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-11-20 10:30:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-11-20 10:30:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 10:30:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 10:30:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 10:30:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 10:30:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 10:30:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 10:30:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 10:30:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 10:30:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 10:30:32,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 10:30:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2022-11-20 10:30:32,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2022-11-20 10:30:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-20 10:30:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-20 10:30:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 10:30:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 10:30:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2022-11-20 10:30:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2022-11-20 10:30:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2022-11-20 10:30:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2022-11-20 10:30:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 10:30:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 10:30:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:30:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 10:30:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 10:30:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 10:30:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 10:30:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-20 10:30:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-20 10:30:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-20 10:30:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-20 10:30:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:30:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 10:30:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 10:30:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 10:30:32,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 10:30:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:30:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2022-11-20 10:30:32,335 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2022-11-20 10:30:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-20 10:30:32,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-20 10:30:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 10:30:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 10:30:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-11-20 10:30:32,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-11-20 10:30:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:30:32,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:30:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 10:30:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2022-11-20 10:30:32,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2022-11-20 10:30:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 10:30:32,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 10:30:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 10:30:32,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 10:30:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 10:30:32,338 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 10:30:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 10:30:32,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 10:30:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2022-11-20 10:30:32,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2022-11-20 10:30:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 10:30:32,339 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 10:30:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 10:30:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2022-11-20 10:30:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2022-11-20 10:30:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:30:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:30:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2022-11-20 10:30:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2022-11-20 10:30:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 10:30:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 10:30:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 10:30:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 10:30:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 10:30:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 10:30:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 10:30:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 10:30:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-20 10:30:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-20 10:30:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 10:30:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 10:30:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-20 10:30:32,343 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-20 10:30:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2022-11-20 10:30:32,343 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2022-11-20 10:30:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 10:30:32,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 10:30:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2022-11-20 10:30:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2022-11-20 10:30:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-11-20 10:30:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-11-20 10:30:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 10:30:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 10:30:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2022-11-20 10:30:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2022-11-20 10:30:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2022-11-20 10:30:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2022-11-20 10:30:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-20 10:30:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-20 10:30:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-11-20 10:30:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-11-20 10:30:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-20 10:30:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-20 10:30:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 10:30:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 10:30:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 10:30:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 10:30:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2022-11-20 10:30:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2022-11-20 10:30:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-20 10:30:32,348 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-20 10:30:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 10:30:32,348 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 10:30:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:30:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2022-11-20 10:30:32,348 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2022-11-20 10:30:32,349 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 10:30:32,349 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 10:30:32,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:30:32,349 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-20 10:30:32,349 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-20 10:30:32,349 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-20 10:30:32,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-20 10:30:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 10:30:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-11-20 10:30:32,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-11-20 10:30:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 10:30:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 10:30:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 10:30:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:30:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2022-11-20 10:30:32,351 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2022-11-20 10:30:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2022-11-20 10:30:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2022-11-20 10:30:32,352 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2022-11-20 10:30:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2022-11-20 10:30:32,352 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 10:30:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 10:30:32,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-20 10:30:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-20 10:30:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2022-11-20 10:30:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2022-11-20 10:30:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 10:30:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 10:30:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-20 10:30:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-20 10:30:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2022-11-20 10:30:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2022-11-20 10:30:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-20 10:30:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-20 10:30:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2022-11-20 10:30:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2022-11-20 10:30:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2022-11-20 10:30:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2022-11-20 10:30:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 10:30:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 10:30:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 10:30:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 10:30:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-20 10:30:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-20 10:30:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_62 [2022-11-20 10:30:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_62 [2022-11-20 10:30:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 10:30:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 10:30:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 10:30:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 10:30:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 10:30:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 10:30:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2022-11-20 10:30:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2022-11-20 10:30:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 10:30:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 10:30:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 10:30:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 10:30:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61___0 [2022-11-20 10:30:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61___0 [2022-11-20 10:30:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-11-20 10:30:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-11-20 10:30:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2022-11-20 10:30:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2022-11-20 10:30:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 10:30:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 10:30:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2022-11-20 10:30:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2022-11-20 10:30:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-20 10:30:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-20 10:30:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 10:30:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 10:30:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-20 10:30:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-20 10:30:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-20 10:30:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-20 10:30:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-20 10:30:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-20 10:30:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2022-11-20 10:30:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2022-11-20 10:30:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-20 10:30:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-20 10:30:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2022-11-20 10:30:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2022-11-20 10:30:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2022-11-20 10:30:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2022-11-20 10:30:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 10:30:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 10:30:33,671 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:30:33,676 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:30:53,775 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 10:32:33,101 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 10:32:35,366 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:32:35,398 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:32:35,402 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 10:32:35,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:32:35 BoogieIcfgContainer [2022-11-20 10:32:35,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:32:35,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:32:35,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:32:35,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:32:35,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:30:24" (1/3) ... [2022-11-20 10:32:35,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c088b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:32:35, skipping insertion in model container [2022-11-20 10:32:35,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:30" (2/3) ... [2022-11-20 10:32:35,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c088b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:32:35, skipping insertion in model container [2022-11-20 10:32:35,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:32:35" (3/3) ... [2022-11-20 10:32:35,420 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-11-20 10:32:35,440 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:32:35,441 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-20 10:32:35,638 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:32:35,645 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@24bf7c0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:32:35,645 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-20 10:32:35,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 3420 states, 2335 states have (on average 1.3605995717344754) internal successors, (3177), 2437 states have internal predecessors, (3177), 951 states have call successors, (951), 133 states have call predecessors, (951), 132 states have return successors, (944), 898 states have call predecessors, (944), 944 states have call successors, (944) [2022-11-20 10:32:35,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-20 10:32:35,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:35,684 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:35,686 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:32:35,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:35,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1150866599, now seen corresponding path program 1 times [2022-11-20 10:32:35,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:32:35,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468975779] [2022-11-20 10:32:35,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:35,724 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:35,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:32:35,759 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:32:35,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 10:32:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:41,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 4484 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:32:41,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:41,762 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2022-11-20 10:32:41,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:41,763 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:32:41,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [468975779] [2022-11-20 10:32:41,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [468975779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:41,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:41,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:32:41,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241628498] [2022-11-20 10:32:41,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:41,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:41,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:32:41,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:41,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:41,809 INFO L87 Difference]: Start difference. First operand has 3420 states, 2335 states have (on average 1.3605995717344754) internal successors, (3177), 2437 states have internal predecessors, (3177), 951 states have call successors, (951), 133 states have call predecessors, (951), 132 states have return successors, (944), 898 states have call predecessors, (944), 944 states have call successors, (944) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-20 10:32:42,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:42,964 INFO L93 Difference]: Finished difference Result 10086 states and 15212 transitions. [2022-11-20 10:32:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:42,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 171 [2022-11-20 10:32:42,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:43,029 INFO L225 Difference]: With dead ends: 10086 [2022-11-20 10:32:43,029 INFO L226 Difference]: Without dead ends: 6686 [2022-11-20 10:32:43,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 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 10:32:43,073 INFO L413 NwaCegarLoop]: 5962 mSDtfsCounter, 4899 mSDsluCounter, 4999 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4899 SdHoareTripleChecker+Valid, 10961 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:43,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4899 Valid, 10961 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 10:32:43,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6686 states. [2022-11-20 10:32:43,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6686 to 6682. [2022-11-20 10:32:43,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6682 states, 4579 states have (on average 1.3592487442673074) internal successors, (6224), 4780 states have internal predecessors, (6224), 1840 states have call successors, (1840), 261 states have call predecessors, (1840), 260 states have return successors, (1836), 1744 states have call predecessors, (1836), 1836 states have call successors, (1836) [2022-11-20 10:32:43,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6682 states to 6682 states and 9900 transitions. [2022-11-20 10:32:43,810 INFO L78 Accepts]: Start accepts. Automaton has 6682 states and 9900 transitions. Word has length 171 [2022-11-20 10:32:43,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:43,813 INFO L495 AbstractCegarLoop]: Abstraction has 6682 states and 9900 transitions. [2022-11-20 10:32:43,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-20 10:32:43,820 INFO L276 IsEmpty]: Start isEmpty. Operand 6682 states and 9900 transitions. [2022-11-20 10:32:43,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-20 10:32:43,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:43,835 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:43,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:44,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:44,049 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:32:44,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:44,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1351599113, now seen corresponding path program 1 times [2022-11-20 10:32:44,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:32:44,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1140961115] [2022-11-20 10:32:44,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:44,058 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:44,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:32:44,060 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:32:44,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 10:32:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 4567 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:32:49,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:49,785 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2022-11-20 10:32:49,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:49,785 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:32:49,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1140961115] [2022-11-20 10:32:49,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1140961115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:49,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:49,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:32:49,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120554329] [2022-11-20 10:32:49,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:49,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:49,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:32:49,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:49,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:49,789 INFO L87 Difference]: Start difference. First operand 6682 states and 9900 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-20 10:32:51,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:51,401 INFO L93 Difference]: Finished difference Result 14390 states and 21338 transitions. [2022-11-20 10:32:51,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:51,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 180 [2022-11-20 10:32:51,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:51,458 INFO L225 Difference]: With dead ends: 14390 [2022-11-20 10:32:51,459 INFO L226 Difference]: Without dead ends: 7739 [2022-11-20 10:32:51,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 178 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 10:32:51,512 INFO L413 NwaCegarLoop]: 5653 mSDtfsCounter, 3258 mSDsluCounter, 4968 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3258 SdHoareTripleChecker+Valid, 10621 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:51,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3258 Valid, 10621 Invalid, 86 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 10:32:51,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7739 states. [2022-11-20 10:32:52,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7739 to 7713. [2022-11-20 10:32:52,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7713 states, 5273 states have (on average 1.3591883178456288) internal successors, (7167), 5494 states have internal predecessors, (7167), 2126 states have call successors, (2126), 313 states have call predecessors, (2126), 311 states have return successors, (2122), 2019 states have call predecessors, (2122), 2122 states have call successors, (2122) [2022-11-20 10:32:52,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7713 states to 7713 states and 11415 transitions. [2022-11-20 10:32:52,264 INFO L78 Accepts]: Start accepts. Automaton has 7713 states and 11415 transitions. Word has length 180 [2022-11-20 10:32:52,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:52,265 INFO L495 AbstractCegarLoop]: Abstraction has 7713 states and 11415 transitions. [2022-11-20 10:32:52,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-20 10:32:52,265 INFO L276 IsEmpty]: Start isEmpty. Operand 7713 states and 11415 transitions. [2022-11-20 10:32:52,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-20 10:32:52,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:52,270 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:52,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:52,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:52,470 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:32:52,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:52,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1088571565, now seen corresponding path program 1 times [2022-11-20 10:32:52,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:32:52,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [822546436] [2022-11-20 10:32:52,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:52,490 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:52,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:32:52,491 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:32:52,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 10:32:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 4525 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:32:58,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:58,138 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2022-11-20 10:32:58,138 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:58,138 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:32:58,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [822546436] [2022-11-20 10:32:58,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [822546436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:58,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:58,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:32:58,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054665717] [2022-11-20 10:32:58,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:58,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:58,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:32:58,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:58,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:58,141 INFO L87 Difference]: Start difference. First operand 7713 states and 11415 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-20 10:32:59,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:59,429 INFO L93 Difference]: Finished difference Result 19962 states and 29571 transitions. [2022-11-20 10:32:59,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:59,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 181 [2022-11-20 10:32:59,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:59,521 INFO L225 Difference]: With dead ends: 19962 [2022-11-20 10:32:59,521 INFO L226 Difference]: Without dead ends: 12280 [2022-11-20 10:32:59,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:59,563 INFO L413 NwaCegarLoop]: 5932 mSDtfsCounter, 4695 mSDsluCounter, 4961 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4695 SdHoareTripleChecker+Valid, 10893 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:59,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4695 Valid, 10893 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 10:32:59,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12280 states. [2022-11-20 10:33:00,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12280 to 12252. [2022-11-20 10:33:00,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12252 states, 8348 states have (on average 1.3599664590321034) internal successors, (11353), 8707 states have internal predecessors, (11353), 3398 states have call successors, (3398), 506 states have call predecessors, (3398), 503 states have return successors, (3397), 3214 states have call predecessors, (3397), 3394 states have call successors, (3397) [2022-11-20 10:33:00,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12252 states to 12252 states and 18148 transitions. [2022-11-20 10:33:00,784 INFO L78 Accepts]: Start accepts. Automaton has 12252 states and 18148 transitions. Word has length 181 [2022-11-20 10:33:00,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:00,786 INFO L495 AbstractCegarLoop]: Abstraction has 12252 states and 18148 transitions. [2022-11-20 10:33:00,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-20 10:33:00,787 INFO L276 IsEmpty]: Start isEmpty. Operand 12252 states and 18148 transitions. [2022-11-20 10:33:00,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-11-20 10:33:00,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:00,797 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:33:00,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:33:01,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:01,019 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 10:33:01,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:01,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1227807769, now seen corresponding path program 1 times [2022-11-20 10:33:01,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:01,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [913143535] [2022-11-20 10:33:01,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:01,027 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:01,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:01,028 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:33:01,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 10:33:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:06,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 4603 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:33:06,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:06,889 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2022-11-20 10:33:06,889 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:33:06,889 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:06,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [913143535] [2022-11-20 10:33:06,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [913143535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:06,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:33:06,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:33:06,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982118965] [2022-11-20 10:33:06,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:06,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:33:06,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:06,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:33:06,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:06,891 INFO L87 Difference]: Start difference. First operand 12252 states and 18148 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, (20), 3 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-20 10:33:09,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:09,080 INFO L93 Difference]: Finished difference Result 34503 states and 51075 transitions. [2022-11-20 10:33:09,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:33:09,080 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, (20), 3 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 188 [2022-11-20 10:33:09,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:09,207 INFO L225 Difference]: With dead ends: 34503 [2022-11-20 10:33:09,208 INFO L226 Difference]: Without dead ends: 22282 [2022-11-20 10:33:09,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 186 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 10:33:09,263 INFO L413 NwaCegarLoop]: 5967 mSDtfsCounter, 4945 mSDsluCounter, 5008 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4945 SdHoareTripleChecker+Valid, 10975 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:09,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4945 Valid, 10975 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 10:33:09,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22282 states. [2022-11-20 10:33:11,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22282 to 22240. [2022-11-20 10:33:11,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22240 states, 15163 states have (on average 1.358372353755853) internal successors, (20597), 15834 states have internal predecessors, (20597), 6148 states have call successors, (6148), 931 states have call predecessors, (6148), 926 states have return successors, (6150), 5800 states have call predecessors, (6150), 6144 states have call successors, (6150) [2022-11-20 10:33:11,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22240 states to 22240 states and 32895 transitions. [2022-11-20 10:33:11,523 INFO L78 Accepts]: Start accepts. Automaton has 22240 states and 32895 transitions. Word has length 188 [2022-11-20 10:33:11,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:11,524 INFO L495 AbstractCegarLoop]: Abstraction has 22240 states and 32895 transitions. [2022-11-20 10:33:11,524 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, (20), 3 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-20 10:33:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 22240 states and 32895 transitions. [2022-11-20 10:33:11,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-20 10:33:11,531 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:11,531 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:33:11,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:33:11,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:11,755 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 10:33:11,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:11,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1231212677, now seen corresponding path program 1 times [2022-11-20 10:33:11,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:11,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [670125082] [2022-11-20 10:33:11,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:11,762 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:11,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:11,763 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:33:11,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 10:33:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:17,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 4637 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:33:17,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:17,409 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2022-11-20 10:33:17,409 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:33:17,409 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:17,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [670125082] [2022-11-20 10:33:17,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [670125082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:17,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:33:17,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:33:17,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397367019] [2022-11-20 10:33:17,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:17,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:33:17,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:17,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:33:17,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:17,411 INFO L87 Difference]: Start difference. First operand 22240 states and 32895 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, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-20 10:33:19,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:19,390 INFO L93 Difference]: Finished difference Result 62777 states and 92744 transitions. [2022-11-20 10:33:19,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:33:19,390 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, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 196 [2022-11-20 10:33:19,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:19,610 INFO L225 Difference]: With dead ends: 62777 [2022-11-20 10:33:19,610 INFO L226 Difference]: Without dead ends: 40568 [2022-11-20 10:33:19,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:19,705 INFO L413 NwaCegarLoop]: 6474 mSDtfsCounter, 4952 mSDsluCounter, 4982 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4952 SdHoareTripleChecker+Valid, 11456 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:19,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4952 Valid, 11456 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 10:33:19,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40568 states. [2022-11-20 10:33:23,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40568 to 40534. [2022-11-20 10:33:23,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40534 states, 27661 states have (on average 1.3551209283829218) internal successors, (37484), 28889 states have internal predecessors, (37484), 11146 states have call successors, (11146), 1741 states have call predecessors, (11146), 1724 states have return successors, (11184), 10487 states have call predecessors, (11184), 11142 states have call successors, (11184) [2022-11-20 10:33:23,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40534 states to 40534 states and 59814 transitions. [2022-11-20 10:33:23,887 INFO L78 Accepts]: Start accepts. Automaton has 40534 states and 59814 transitions. Word has length 196 [2022-11-20 10:33:23,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:23,888 INFO L495 AbstractCegarLoop]: Abstraction has 40534 states and 59814 transitions. [2022-11-20 10:33:23,888 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, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-20 10:33:23,888 INFO L276 IsEmpty]: Start isEmpty. Operand 40534 states and 59814 transitions. [2022-11-20 10:33:23,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-20 10:33:23,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:23,892 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:33:23,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:33:24,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:24,107 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:33:24,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:24,107 INFO L85 PathProgramCache]: Analyzing trace with hash 792631031, now seen corresponding path program 1 times [2022-11-20 10:33:24,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:24,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1873049758] [2022-11-20 10:33:24,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:24,113 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:24,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:24,115 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:33:24,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 10:33:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:30,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 4583 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:33:30,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:30,522 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2022-11-20 10:33:30,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:33:30,523 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:30,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1873049758] [2022-11-20 10:33:30,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1873049758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:30,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:33:30,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:33:30,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155111807] [2022-11-20 10:33:30,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:30,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:33:30,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:30,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:33:30,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:30,525 INFO L87 Difference]: Start difference. First operand 40534 states and 59814 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-20 10:33:34,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:34,336 INFO L93 Difference]: Finished difference Result 119859 states and 177381 transitions. [2022-11-20 10:33:34,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:33:34,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2022-11-20 10:33:34,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:34,794 INFO L225 Difference]: With dead ends: 119859 [2022-11-20 10:33:34,794 INFO L226 Difference]: Without dead ends: 79356 [2022-11-20 10:33:35,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 192 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 10:33:35,145 INFO L413 NwaCegarLoop]: 5960 mSDtfsCounter, 4948 mSDsluCounter, 4874 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4948 SdHoareTripleChecker+Valid, 10834 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:35,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4948 Valid, 10834 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 10:33:35,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79356 states. [2022-11-20 10:33:40,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79356 to 79299. [2022-11-20 10:33:40,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79299 states, 54220 states have (on average 1.3580966433050534) internal successors, (73636), 56628 states have internal predecessors, (73636), 21716 states have call successors, (21716), 3415 states have call predecessors, (21716), 3360 states have return successors, (22159), 20376 states have call predecessors, (22159), 21712 states have call successors, (22159) [2022-11-20 10:33:41,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79299 states to 79299 states and 117511 transitions. [2022-11-20 10:33:41,951 INFO L78 Accepts]: Start accepts. Automaton has 79299 states and 117511 transitions. Word has length 194 [2022-11-20 10:33:41,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:41,952 INFO L495 AbstractCegarLoop]: Abstraction has 79299 states and 117511 transitions. [2022-11-20 10:33:41,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-20 10:33:41,953 INFO L276 IsEmpty]: Start isEmpty. Operand 79299 states and 117511 transitions. [2022-11-20 10:33:41,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-20 10:33:41,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:41,958 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:33:42,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:33:42,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:42,171 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 10:33:42,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:42,171 INFO L85 PathProgramCache]: Analyzing trace with hash -931417337, now seen corresponding path program 1 times [2022-11-20 10:33:42,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:42,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531737628] [2022-11-20 10:33:42,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:42,178 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:42,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:42,180 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:33:42,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08942c3d-27e4-4f14-ae9c-706bd74a6c70/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 10:33:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:47,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 4573 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:33:47,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:47,889 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2022-11-20 10:33:47,889 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:33:47,889 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:47,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531737628] [2022-11-20 10:33:47,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [531737628] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:47,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:33:47,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:33:47,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700352103] [2022-11-20 10:33:47,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:47,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:33:47,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:47,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:33:47,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:47,892 INFO L87 Difference]: Start difference. First operand 79299 states and 117511 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-20 10:33:55,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:55,933 INFO L93 Difference]: Finished difference Result 233502 states and 346228 transitions. [2022-11-20 10:33:55,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:33:55,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2022-11-20 10:33:55,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:56,731 INFO L225 Difference]: With dead ends: 233502 [2022-11-20 10:33:56,731 INFO L226 Difference]: Without dead ends: 154234 [2022-11-20 10:33:57,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 192 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 10:33:57,111 INFO L413 NwaCegarLoop]: 6016 mSDtfsCounter, 4941 mSDsluCounter, 5011 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4941 SdHoareTripleChecker+Valid, 11027 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:57,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4941 Valid, 11027 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 10:33:57,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154234 states.