./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.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_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/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_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/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_616b61de-f186-4e65-a99d-9ba81c3b5345/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 a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:03:24,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:03:24,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:03:24,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:03:24,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:03:24,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:03:24,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:03:24,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:03:24,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:03:24,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:03:24,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:03:24,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:03:24,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:03:24,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:03:24,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:03:24,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:03:24,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:03:24,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:03:24,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:03:24,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:03:24,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:03:24,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:03:24,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:03:24,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:03:24,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:03:24,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:03:24,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:03:24,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:03:24,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:03:24,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:03:24,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:03:24,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:03:24,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:03:24,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:03:24,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:03:24,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:03:24,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:03:24,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:03:24,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:03:24,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:03:24,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:03:24,681 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 12:03:24,724 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:03:24,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:03:24,727 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:03:24,727 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:03:24,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:03:24,729 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:03:24,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:03:24,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:03:24,730 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:03:24,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:03:24,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:03:24,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:03:24,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:03:24,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:03:24,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:03:24,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:03:24,734 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:03:24,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:03:24,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:03:24,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:03:24,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:03:24,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:03:24,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:03:24,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:03:24,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:03:24,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:03:24,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:03:24,737 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:03:24,737 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:03:24,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:03:24,738 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_616b61de-f186-4e65-a99d-9ba81c3b5345/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 [2022-11-20 12:03:25,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:03:25,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:03:25,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:03:25,162 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:03:25,163 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:03:25,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2022-11-20 12:03:28,298 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:03:29,056 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:03:29,087 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2022-11-20 12:03:29,178 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/data/93a784383/889ba5c6f7ad4de4a4746fde84492721/FLAG9a3cda56a [2022-11-20 12:03:29,197 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/data/93a784383/889ba5c6f7ad4de4a4746fde84492721 [2022-11-20 12:03:29,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:03:29,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:03:29,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:03:29,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:03:29,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:03:29,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:03:29" (1/1) ... [2022-11-20 12:03:29,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50951eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:29, skipping insertion in model container [2022-11-20 12:03:29,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:03:29" (1/1) ... [2022-11-20 12:03:29,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:03:29,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:03:30,041 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 12:03:30,048 INFO L158 Benchmark]: Toolchain (without parser) took 842.85ms. Allocated memory is still 169.9MB. Free memory was 134.1MB in the beginning and 124.4MB in the end (delta: 9.7MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2022-11-20 12:03:30,049 INFO L158 Benchmark]: CDTParser took 1.11ms. Allocated memory is still 130.0MB. Free memory was 97.2MB in the beginning and 97.1MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:03:30,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.73ms. Allocated memory is still 169.9MB. Free memory was 133.5MB in the beginning and 124.4MB in the end (delta: 9.0MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2022-11-20 12:03:30,052 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11ms. Allocated memory is still 130.0MB. Free memory was 97.2MB in the beginning and 97.1MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 837.73ms. Allocated memory is still 169.9MB. Free memory was 133.5MB in the beginning and 124.4MB in the end (delta: 9.0MB). Peak memory consumption was 78.9MB. 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_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/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_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/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_616b61de-f186-4e65-a99d-9ba81c3b5345/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 a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:03:32,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:03:32,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:03:32,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:03:32,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:03:32,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:03:32,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:03:32,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:03:32,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:03:32,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:03:32,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:03:32,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:03:32,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:03:32,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:03:32,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:03:32,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:03:32,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:03:32,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:03:32,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:03:32,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:03:32,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:03:32,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:03:32,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:03:32,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:03:32,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:03:32,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:03:32,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:03:32,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:03:32,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:03:32,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:03:32,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:03:32,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:03:32,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:03:32,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:03:32,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:03:32,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:03:32,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:03:32,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:03:32,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:03:32,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:03:32,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:03:32,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 12:03:32,529 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:03:32,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:03:32,531 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:03:32,531 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:03:32,532 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:03:32,532 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:03:32,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:03:32,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:03:32,533 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:03:32,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:03:32,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:03:32,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:03:32,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:03:32,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:03:32,535 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:03:32,536 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:03:32,536 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:03:32,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:03:32,536 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:03:32,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:03:32,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:03:32,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:03:32,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:03:32,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:03:32,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:03:32,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:03:32,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:03:32,538 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:03:32,539 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:03:32,539 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:03:32,539 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:03:32,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:03:32,540 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:03:32,540 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_616b61de-f186-4e65-a99d-9ba81c3b5345/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 [2022-11-20 12:03:32,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:03:32,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:03:32,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:03:32,974 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:03:32,975 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:03:32,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2022-11-20 12:03:36,224 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:03:36,981 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:03:36,982 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2022-11-20 12:03:37,045 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/data/a3e23287b/6bc1ce0696e84d018f8dabe80c240f45/FLAG9f743bd52 [2022-11-20 12:03:37,065 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/data/a3e23287b/6bc1ce0696e84d018f8dabe80c240f45 [2022-11-20 12:03:37,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:03:37,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:03:37,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:03:37,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:03:37,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:03:37,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:03:37" (1/1) ... [2022-11-20 12:03:37,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@655f20e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:37, skipping insertion in model container [2022-11-20 12:03:37,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:03:37" (1/1) ... [2022-11-20 12:03:37,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:03:37,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:03:41,285 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_616b61de-f186-4e65-a99d-9ba81c3b5345/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2022-11-20 12:03:41,290 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_616b61de-f186-4e65-a99d-9ba81c3b5345/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2022-11-20 12:03:41,290 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_616b61de-f186-4e65-a99d-9ba81c3b5345/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2022-11-20 12:03:41,291 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_616b61de-f186-4e65-a99d-9ba81c3b5345/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2022-11-20 12:03:41,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:03:41,366 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 12:03:41,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:03:41,819 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_616b61de-f186-4e65-a99d-9ba81c3b5345/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2022-11-20 12:03:41,820 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_616b61de-f186-4e65-a99d-9ba81c3b5345/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2022-11-20 12:03:41,820 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_616b61de-f186-4e65-a99d-9ba81c3b5345/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2022-11-20 12:03:41,821 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_616b61de-f186-4e65-a99d-9ba81c3b5345/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2022-11-20 12:03:41,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:03:41,859 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:03:42,431 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_616b61de-f186-4e65-a99d-9ba81c3b5345/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2022-11-20 12:03:42,432 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_616b61de-f186-4e65-a99d-9ba81c3b5345/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2022-11-20 12:03:42,432 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_616b61de-f186-4e65-a99d-9ba81c3b5345/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2022-11-20 12:03:42,433 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_616b61de-f186-4e65-a99d-9ba81c3b5345/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2022-11-20 12:03:42,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:03:42,794 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:03:42,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:42 WrapperNode [2022-11-20 12:03:42,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:03:42,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:03:42,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:03:42,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:03:42,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:42" (1/1) ... [2022-11-20 12:03:42,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:42" (1/1) ... [2022-11-20 12:03:43,136 INFO L138 Inliner]: procedures = 551, calls = 2748, calls flagged for inlining = 264, calls inlined = 238, statements flattened = 6106 [2022-11-20 12:03:43,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:03:43,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:03:43,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:03:43,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:03:43,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:42" (1/1) ... [2022-11-20 12:03:43,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:42" (1/1) ... [2022-11-20 12:03:43,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:42" (1/1) ... [2022-11-20 12:03:43,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:42" (1/1) ... [2022-11-20 12:03:43,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:42" (1/1) ... [2022-11-20 12:03:43,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:42" (1/1) ... [2022-11-20 12:03:43,453 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:42" (1/1) ... [2022-11-20 12:03:43,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:42" (1/1) ... [2022-11-20 12:03:43,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:03:43,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:03:43,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:03:43,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:03:43,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:42" (1/1) ... [2022-11-20 12:03:43,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:03:43,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:43,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:43,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:03:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 12:03:43,601 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 12:03:43,601 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_eeprom_len [2022-11-20 12:03:43,601 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_eeprom_len [2022-11-20 12:03:43,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-20 12:03:43,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-20 12:03:43,602 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_nway_reset [2022-11-20 12:03:43,602 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_nway_reset [2022-11-20 12:03:43,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 12:03:43,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 12:03:43,602 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 12:03:43,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 12:03:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-11-20 12:03:43,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-11-20 12:03:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 12:03:43,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 12:03:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-20 12:03:43,603 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-20 12:03:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 12:03:43,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 12:03:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 12:03:43,604 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 12:03:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 12:03:43,604 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 12:03:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-20 12:03:43,605 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-20 12:03:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-20 12:03:43,605 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-20 12:03:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_irq [2022-11-20 12:03:43,605 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_irq [2022-11-20 12:03:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-20 12:03:43,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-20 12:03:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-20 12:03:43,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-20 12:03:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_close [2022-11-20 12:03:43,606 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_close [2022-11-20 12:03:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_speed_and_duplex [2022-11-20 12:03:43,607 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_speed_and_duplex [2022-11-20 12:03:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_force_ps [2022-11-20 12:03:43,607 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_force_ps [2022-11-20 12:03:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 12:03:43,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 12:03:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 12:03:43,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 12:03:43,608 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 12:03:43,608 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 12:03:43,608 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-20 12:03:43,608 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-20 12:03:43,608 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 12:03:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 12:03:43,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 12:03:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 12:03:43,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:03:43,609 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 12:03:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 12:03:43,609 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-20 12:03:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-20 12:03:43,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:03:43,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 12:03:43,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 12:03:43,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-20 12:03:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-20 12:03:43,611 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_write_phy_reg [2022-11-20 12:03:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_write_phy_reg [2022-11-20 12:03:43,611 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-20 12:03:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-20 12:03:43,611 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_vlan_mode [2022-11-20 12:03:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_vlan_mode [2022-11-20 12:03:43,611 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 12:03:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 12:03:43,612 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_up [2022-11-20 12:03:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_up [2022-11-20 12:03:43,612 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 12:03:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 12:03:43,612 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 12:03:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 12:03:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_tx_timeout [2022-11-20 12:03:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_tx_timeout [2022-11-20 12:03:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_enable [2022-11-20 12:03:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_enable [2022-11-20 12:03:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 12:03:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 12:03:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_poll_controller [2022-11-20 12:03:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_poll_controller [2022-11-20 12:03:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 12:03:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 12:03:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_disable [2022-11-20 12:03:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_disable [2022-11-20 12:03:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 12:03:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 12:03:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2022-11-20 12:03:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2022-11-20 12:03:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 12:03:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 12:03:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 12:03:43,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 12:03:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-20 12:03:43,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-20 12:03:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 12:03:43,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 12:03:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 12:03:43,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 12:03:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_shutdown [2022-11-20 12:03:43,617 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_shutdown [2022-11-20 12:03:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure __atl2_vlan_mode [2022-11-20 12:03:43,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl2_vlan_mode [2022-11-20 12:03:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 12:03:43,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 12:03:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:03:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 12:03:43,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 12:03:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 12:03:43,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 12:03:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-20 12:03:43,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-20 12:03:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:03:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 12:03:43,619 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 12:03:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 12:03:43,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 12:03:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 12:03:43,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 12:03:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 12:03:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 12:03:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 12:03:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 12:03:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 12:03:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_set_multi [2022-11-20 12:03:43,621 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_set_multi [2022-11-20 12:03:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_phy_init [2022-11-20 12:03:43,621 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_phy_init [2022-11-20 12:03:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 12:03:43,621 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 12:03:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_configure [2022-11-20 12:03:43,622 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_configure [2022-11-20 12:03:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reset_hw [2022-11-20 12:03:43,622 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reset_hw [2022-11-20 12:03:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 12:03:43,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 12:03:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-20 12:03:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-20 12:03:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_open [2022-11-20 12:03:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_open [2022-11-20 12:03:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 12:03:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 12:03:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 12:03:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 12:03:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_validate_option [2022-11-20 12:03:43,624 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_validate_option [2022-11-20 12:03:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2022-11-20 12:03:43,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2022-11-20 12:03:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 12:03:43,624 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 12:03:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 12:03:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:03:43,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:03:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_intr [2022-11-20 12:03:43,625 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_intr [2022-11-20 12:03:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 12:03:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 12:03:43,625 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 12:03:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 12:03:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 12:03:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 12:03:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 12:03:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 12:03:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 12:03:43,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 12:03:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 12:03:43,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 12:03:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 12:03:43,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 12:03:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-20 12:03:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 12:03:43,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 12:03:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_remove [2022-11-20 12:03:43,628 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_remove [2022-11-20 12:03:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_eeprom [2022-11-20 12:03:43,628 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_eeprom [2022-11-20 12:03:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 12:03:43,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 12:03:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 12:03:43,629 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 12:03:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 12:03:43,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 12:03:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_request_irq [2022-11-20 12:03:43,629 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_request_irq [2022-11-20 12:03:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 12:03:43,630 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 12:03:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_phy_reg [2022-11-20 12:03:43,630 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_phy_reg [2022-11-20 12:03:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-11-20 12:03:43,630 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-11-20 12:03:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:03:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 12:03:43,630 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 12:03:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-20 12:03:43,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-20 12:03:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 12:03:43,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 12:03:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 12:03:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-20 12:03:43,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-20 12:03:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 12:03:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 12:03:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 12:03:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 12:03:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_suspend [2022-11-20 12:03:43,632 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_suspend [2022-11-20 12:03:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 12:03:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reinit_locked [2022-11-20 12:03:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reinit_locked [2022-11-20 12:03:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 12:03:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 12:03:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 12:03:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 12:03:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-20 12:03:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-20 12:03:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_resume [2022-11-20 12:03:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_resume [2022-11-20 12:03:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 12:03:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 12:03:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-20 12:03:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-20 12:03:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2022-11-20 12:03:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2022-11-20 12:03:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 12:03:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 12:03:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 12:03:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 12:03:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 12:03:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 12:03:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 12:03:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 12:03:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 12:03:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 12:03:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_regs_len [2022-11-20 12:03:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_regs_len [2022-11-20 12:03:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_check_eeprom_exist [2022-11-20 12:03:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_check_eeprom_exist [2022-11-20 12:03:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 12:03:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 12:03:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_restore_vlan [2022-11-20 12:03:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_restore_vlan [2022-11-20 12:03:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 12:03:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 12:03:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2022-11-20 12:03:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2022-11-20 12:03:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring_ptrs [2022-11-20 12:03:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring_ptrs [2022-11-20 12:03:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-20 12:03:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-20 12:03:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-20 12:03:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-20 12:03:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_ring_resources [2022-11-20 12:03:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_ring_resources [2022-11-20 12:03:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 12:03:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 12:03:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_down [2022-11-20 12:03:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_down [2022-11-20 12:03:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-20 12:03:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-20 12:03:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-20 12:03:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-20 12:03:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-20 12:03:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-20 12:03:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 12:03:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 12:03:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_init_hw [2022-11-20 12:03:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_init_hw [2022-11-20 12:03:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 12:03:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 12:03:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-20 12:03:44,787 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:03:44,791 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:03:44,948 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 12:04:25,812 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 12:04:30,731 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:04:30,752 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:04:30,752 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-20 12:04:30,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:04:30 BoogieIcfgContainer [2022-11-20 12:04:30,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:04:30,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:04:30,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:04:30,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:04:30,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:03:37" (1/3) ... [2022-11-20 12:04:30,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@239f8b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:04:30, skipping insertion in model container [2022-11-20 12:04:30,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:42" (2/3) ... [2022-11-20 12:04:30,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@239f8b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:04:30, skipping insertion in model container [2022-11-20 12:04:30,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:04:30" (3/3) ... [2022-11-20 12:04:30,767 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2022-11-20 12:04:30,787 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:04:30,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-20 12:04:30,965 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:04:30,980 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;@5b171dd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:04:30,980 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-20 12:04:30,997 INFO L276 IsEmpty]: Start isEmpty. Operand has 2329 states, 1583 states have (on average 1.2533164876816172) internal successors, (1984), 1605 states have internal predecessors, (1984), 624 states have call successors, (624), 120 states have call predecessors, (624), 119 states have return successors, (619), 617 states have call predecessors, (619), 619 states have call successors, (619) [2022-11-20 12:04:31,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-20 12:04:31,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:31,017 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] [2022-11-20 12:04:31,018 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 12:04:31,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:31,025 INFO L85 PathProgramCache]: Analyzing trace with hash -113210283, now seen corresponding path program 1 times [2022-11-20 12:04:31,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:31,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315351495] [2022-11-20 12:04:31,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:31,042 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:31,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:31,047 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:04:31,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 12:04:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:32,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:04:32,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:32,975 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 12:04:32,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:04:32,976 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:32,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315351495] [2022-11-20 12:04:32,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315351495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:32,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:32,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:04:32,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739751193] [2022-11-20 12:04:32,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:32,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:32,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:33,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:33,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:33,019 INFO L87 Difference]: Start difference. First operand has 2329 states, 1583 states have (on average 1.2533164876816172) internal successors, (1984), 1605 states have internal predecessors, (1984), 624 states have call successors, (624), 120 states have call predecessors, (624), 119 states have return successors, (619), 617 states have call predecessors, (619), 619 states have call successors, (619) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 12:04:33,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:33,627 INFO L93 Difference]: Finished difference Result 6800 states and 9518 transitions. [2022-11-20 12:04:33,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:33,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 167 [2022-11-20 12:04:33,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:33,683 INFO L225 Difference]: With dead ends: 6800 [2022-11-20 12:04:33,684 INFO L226 Difference]: Without dead ends: 4490 [2022-11-20 12:04:33,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:33,715 INFO L413 NwaCegarLoop]: 3764 mSDtfsCounter, 3052 mSDsluCounter, 3128 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3052 SdHoareTripleChecker+Valid, 6892 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:33,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3052 Valid, 6892 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:04:33,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4490 states. [2022-11-20 12:04:34,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4490 to 4486. [2022-11-20 12:04:34,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4486 states, 3051 states have (on average 1.238610291707637) internal successors, (3779), 3093 states have internal predecessors, (3779), 1197 states have call successors, (1197), 236 states have call predecessors, (1197), 235 states have return successors, (1194), 1190 states have call predecessors, (1194), 1194 states have call successors, (1194) [2022-11-20 12:04:34,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4486 states to 4486 states and 6170 transitions. [2022-11-20 12:04:34,221 INFO L78 Accepts]: Start accepts. Automaton has 4486 states and 6170 transitions. Word has length 167 [2022-11-20 12:04:34,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:34,222 INFO L495 AbstractCegarLoop]: Abstraction has 4486 states and 6170 transitions. [2022-11-20 12:04:34,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 12:04:34,223 INFO L276 IsEmpty]: Start isEmpty. Operand 4486 states and 6170 transitions. [2022-11-20 12:04:34,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-20 12:04:34,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:34,229 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 12:04:34,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/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)] Ended with exit code 0 [2022-11-20 12:04:34,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:34,456 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 12:04:34,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:34,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1126539851, now seen corresponding path program 1 times [2022-11-20 12:04:34,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:34,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1871659048] [2022-11-20 12:04:34,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:34,459 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:34,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:34,460 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:04:34,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 12:04:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:36,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:04:36,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:36,351 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 12:04:36,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:04:36,351 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:36,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1871659048] [2022-11-20 12:04:36,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1871659048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:36,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:36,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:04:36,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888330677] [2022-11-20 12:04:36,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:36,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:36,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:36,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:36,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:36,355 INFO L87 Difference]: Start difference. First operand 4486 states and 6170 transitions. 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 12:04:37,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:37,049 INFO L93 Difference]: Finished difference Result 13180 states and 18150 transitions. [2022-11-20 12:04:37,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:37,050 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 12:04:37,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:37,118 INFO L225 Difference]: With dead ends: 13180 [2022-11-20 12:04:37,119 INFO L226 Difference]: Without dead ends: 8725 [2022-11-20 12:04:37,143 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 12:04:37,144 INFO L413 NwaCegarLoop]: 3741 mSDtfsCounter, 3048 mSDsluCounter, 3054 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3048 SdHoareTripleChecker+Valid, 6795 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:37,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3048 Valid, 6795 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:04:37,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8725 states. [2022-11-20 12:04:37,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8725 to 8687. [2022-11-20 12:04:37,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8687 states, 5941 states have (on average 1.2432250462885037) internal successors, (7386), 6031 states have internal predecessors, (7386), 2286 states have call successors, (2286), 468 states have call predecessors, (2286), 457 states have return successors, (2299), 2251 states have call predecessors, (2299), 2283 states have call successors, (2299) [2022-11-20 12:04:37,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8687 states to 8687 states and 11971 transitions. [2022-11-20 12:04:37,731 INFO L78 Accepts]: Start accepts. Automaton has 8687 states and 11971 transitions. Word has length 171 [2022-11-20 12:04:37,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:37,732 INFO L495 AbstractCegarLoop]: Abstraction has 8687 states and 11971 transitions. [2022-11-20 12:04:37,732 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 12:04:37,732 INFO L276 IsEmpty]: Start isEmpty. Operand 8687 states and 11971 transitions. [2022-11-20 12:04:37,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-11-20 12:04:37,737 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:37,737 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] [2022-11-20 12:04:37,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:37,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:37,964 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 12:04:37,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:37,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1071321434, now seen corresponding path program 1 times [2022-11-20 12:04:37,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:37,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066019828] [2022-11-20 12:04:37,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:37,967 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:37,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:37,987 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:04:37,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 12:04:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:39,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 1325 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:04:39,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:39,792 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 12:04:39,792 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:04:39,793 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:39,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1066019828] [2022-11-20 12:04:39,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1066019828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:39,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:39,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:04:39,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911332516] [2022-11-20 12:04:39,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:39,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:39,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:39,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:39,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:39,796 INFO L87 Difference]: Start difference. First operand 8687 states and 11971 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, (22), 3 states have call predecessors, (22), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-20 12:04:41,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:41,011 INFO L93 Difference]: Finished difference Result 25835 states and 35667 transitions. [2022-11-20 12:04:41,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:41,012 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, (22), 3 states have call predecessors, (22), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 184 [2022-11-20 12:04:41,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:41,173 INFO L225 Difference]: With dead ends: 25835 [2022-11-20 12:04:41,173 INFO L226 Difference]: Without dead ends: 17179 [2022-11-20 12:04:41,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:41,221 INFO L413 NwaCegarLoop]: 3779 mSDtfsCounter, 3075 mSDsluCounter, 3098 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3075 SdHoareTripleChecker+Valid, 6877 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:41,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3075 Valid, 6877 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:04:41,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17179 states. [2022-11-20 12:04:42,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17179 to 17137. [2022-11-20 12:04:42,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17137 states, 11731 states have (on average 1.243883726877504) internal successors, (14592), 11917 states have internal predecessors, (14592), 4502 states have call successors, (4502), 930 states have call predecessors, (4502), 901 states have return successors, (4577), 4413 states have call predecessors, (4577), 4499 states have call successors, (4577) [2022-11-20 12:04:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17137 states to 17137 states and 23671 transitions. [2022-11-20 12:04:42,555 INFO L78 Accepts]: Start accepts. Automaton has 17137 states and 23671 transitions. Word has length 184 [2022-11-20 12:04:42,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:42,556 INFO L495 AbstractCegarLoop]: Abstraction has 17137 states and 23671 transitions. [2022-11-20 12:04:42,557 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, (22), 3 states have call predecessors, (22), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-20 12:04:42,557 INFO L276 IsEmpty]: Start isEmpty. Operand 17137 states and 23671 transitions. [2022-11-20 12:04:42,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-11-20 12:04:42,562 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:42,562 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] [2022-11-20 12:04:42,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/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)] Ended with exit code 0 [2022-11-20 12:04:42,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:42,783 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 12:04:42,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:42,784 INFO L85 PathProgramCache]: Analyzing trace with hash -264309175, now seen corresponding path program 1 times [2022-11-20 12:04:42,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:42,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [289578971] [2022-11-20 12:04:42,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:42,785 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:42,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:42,789 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:04:42,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 12:04:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:44,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 1322 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:04:44,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:44,742 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 12:04:44,742 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:04:44,743 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:44,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [289578971] [2022-11-20 12:04:44,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [289578971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:44,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:44,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:04:44,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381206089] [2022-11-20 12:04:44,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:44,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:44,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:44,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:44,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:44,745 INFO L87 Difference]: Start difference. First operand 17137 states and 23671 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, (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 12:04:46,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:46,837 INFO L93 Difference]: Finished difference Result 46451 states and 63849 transitions. [2022-11-20 12:04:46,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:46,838 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, (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 189 [2022-11-20 12:04:46,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:46,994 INFO L225 Difference]: With dead ends: 46451 [2022-11-20 12:04:46,994 INFO L226 Difference]: Without dead ends: 29345 [2022-11-20 12:04:47,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:47,068 INFO L413 NwaCegarLoop]: 3639 mSDtfsCounter, 2340 mSDsluCounter, 3044 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 6683 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:47,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2340 Valid, 6683 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:04:47,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29345 states. [2022-11-20 12:04:49,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29345 to 29301. [2022-11-20 12:04:49,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29301 states, 19881 states have (on average 1.2340425531914894) internal successors, (24534), 20213 states have internal predecessors, (24534), 7722 states have call successors, (7722), 1754 states have call predecessors, (7722), 1695 states have return successors, (7871), 7545 states have call predecessors, (7871), 7719 states have call successors, (7871) [2022-11-20 12:04:49,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29301 states to 29301 states and 40127 transitions. [2022-11-20 12:04:49,742 INFO L78 Accepts]: Start accepts. Automaton has 29301 states and 40127 transitions. Word has length 189 [2022-11-20 12:04:49,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:49,746 INFO L495 AbstractCegarLoop]: Abstraction has 29301 states and 40127 transitions. [2022-11-20 12:04:49,747 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, (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 12:04:49,747 INFO L276 IsEmpty]: Start isEmpty. Operand 29301 states and 40127 transitions. [2022-11-20 12:04:49,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-20 12:04:49,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:49,756 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:49,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/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 12:04:49,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:49,979 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 12:04:49,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:49,980 INFO L85 PathProgramCache]: Analyzing trace with hash 828460978, now seen corresponding path program 1 times [2022-11-20 12:04:49,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:49,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [563855394] [2022-11-20 12:04:49,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:49,982 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:49,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:49,984 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:04:50,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 12:04:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:51,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 1369 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:04:51,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:51,823 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2022-11-20 12:04:51,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:04:51,823 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:51,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [563855394] [2022-11-20 12:04:51,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [563855394] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:51,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:51,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:04:51,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671422769] [2022-11-20 12:04:51,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:51,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:51,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:51,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:51,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:51,828 INFO L87 Difference]: Start difference. First operand 29301 states and 40127 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-20 12:04:53,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:53,934 INFO L93 Difference]: Finished difference Result 58684 states and 80326 transitions. [2022-11-20 12:04:53,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:53,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 219 [2022-11-20 12:04:53,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:54,214 INFO L225 Difference]: With dead ends: 58684 [2022-11-20 12:04:54,215 INFO L226 Difference]: Without dead ends: 43812 [2022-11-20 12:04:54,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:54,503 INFO L413 NwaCegarLoop]: 6202 mSDtfsCounter, 3060 mSDsluCounter, 3127 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3060 SdHoareTripleChecker+Valid, 9329 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:54,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3060 Valid, 9329 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:04:54,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43812 states. [2022-11-20 12:04:57,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43812 to 43787. [2022-11-20 12:04:57,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43787 states, 29718 states have (on average 1.234167844404065) internal successors, (36677), 30207 states have internal predecessors, (36677), 11524 states have call successors, (11524), 2630 states have call predecessors, (11524), 2542 states have return successors, (11749), 11267 states have call predecessors, (11749), 11521 states have call successors, (11749) [2022-11-20 12:04:57,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43787 states to 43787 states and 59950 transitions. [2022-11-20 12:04:57,957 INFO L78 Accepts]: Start accepts. Automaton has 43787 states and 59950 transitions. Word has length 219 [2022-11-20 12:04:57,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:57,959 INFO L495 AbstractCegarLoop]: Abstraction has 43787 states and 59950 transitions. [2022-11-20 12:04:57,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-20 12:04:57,959 INFO L276 IsEmpty]: Start isEmpty. Operand 43787 states and 59950 transitions. [2022-11-20 12:04:57,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-20 12:04:57,965 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:57,965 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:58,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:58,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:58,179 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 12:04:58,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:58,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1251162804, now seen corresponding path program 1 times [2022-11-20 12:04:58,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:58,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879751627] [2022-11-20 12:04:58,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:58,182 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:58,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:58,184 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:04:58,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 12:04:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:00,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 1369 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:05:00,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:05:01,467 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2022-11-20 12:05:01,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:05:01,468 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:05:01,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879751627] [2022-11-20 12:05:01,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1879751627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:05:01,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:05:01,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:05:01,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542043418] [2022-11-20 12:05:01,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:05:01,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:05:01,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:05:01,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:05:01,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:05:01,471 INFO L87 Difference]: Start difference. First operand 43787 states and 59950 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:05:04,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:04,294 INFO L93 Difference]: Finished difference Result 44527 states and 60694 transitions. [2022-11-20 12:05:04,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:05:04,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 219 [2022-11-20 12:05:04,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:04,530 INFO L225 Difference]: With dead ends: 44527 [2022-11-20 12:05:04,531 INFO L226 Difference]: Without dead ends: 44525 [2022-11-20 12:05:04,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:05:04,553 INFO L413 NwaCegarLoop]: 3174 mSDtfsCounter, 3050 mSDsluCounter, 6378 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3051 SdHoareTripleChecker+Valid, 9552 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:04,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3051 Valid, 9552 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:05:04,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44525 states. [2022-11-20 12:05:07,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44525 to 44523. [2022-11-20 12:05:07,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44523 states, 30198 states have (on average 1.2327306444135373) internal successors, (37226), 30735 states have internal predecessors, (37226), 11620 states have call successors, (11620), 2790 states have call predecessors, (11620), 2702 states have return successors, (11845), 11363 states have call predecessors, (11845), 11617 states have call successors, (11845) [2022-11-20 12:05:08,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44523 states to 44523 states and 60691 transitions. [2022-11-20 12:05:08,159 INFO L78 Accepts]: Start accepts. Automaton has 44523 states and 60691 transitions. Word has length 219 [2022-11-20 12:05:08,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:08,163 INFO L495 AbstractCegarLoop]: Abstraction has 44523 states and 60691 transitions. [2022-11-20 12:05:08,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:05:08,163 INFO L276 IsEmpty]: Start isEmpty. Operand 44523 states and 60691 transitions. [2022-11-20 12:05:08,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-11-20 12:05:08,169 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:05:08,170 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:05:08,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:05:08,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:08,391 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 12:05:08,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:08,392 INFO L85 PathProgramCache]: Analyzing trace with hash 2010470444, now seen corresponding path program 1 times [2022-11-20 12:05:08,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:05:08,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245449697] [2022-11-20 12:05:08,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:05:08,394 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:08,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:05:08,396 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:05:08,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 12:05:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:10,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:05:10,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:05:11,864 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2022-11-20 12:05:11,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:05:12,656 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2022-11-20 12:05:12,656 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:05:12,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245449697] [2022-11-20 12:05:12,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1245449697] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 12:05:12,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:05:12,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 12:05:12,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451149192] [2022-11-20 12:05:12,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:05:12,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:05:12,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:05:12,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:05:12,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:05:12,660 INFO L87 Difference]: Start difference. First operand 44523 states and 60691 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 12:05:16,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:16,018 INFO L93 Difference]: Finished difference Result 44529 states and 60696 transitions. [2022-11-20 12:05:16,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:05:16,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 224 [2022-11-20 12:05:16,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:16,258 INFO L225 Difference]: With dead ends: 44529 [2022-11-20 12:05:16,258 INFO L226 Difference]: Without dead ends: 44527 [2022-11-20 12:05:16,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:05:16,479 INFO L413 NwaCegarLoop]: 3153 mSDtfsCounter, 3083 mSDsluCounter, 6284 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3096 SdHoareTripleChecker+Valid, 9437 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:16,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3096 Valid, 9437 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:05:16,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44527 states. [2022-11-20 12:05:19,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44527 to 44527. [2022-11-20 12:05:19,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44527 states, 30201 states have (on average 1.232707526240853) internal successors, (37229), 30738 states have internal predecessors, (37229), 11620 states have call successors, (11620), 2791 states have call predecessors, (11620), 2703 states have return successors, (11845), 11363 states have call predecessors, (11845), 11617 states have call successors, (11845) [2022-11-20 12:05:20,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44527 states to 44527 states and 60694 transitions. [2022-11-20 12:05:20,132 INFO L78 Accepts]: Start accepts. Automaton has 44527 states and 60694 transitions. Word has length 224 [2022-11-20 12:05:20,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:20,133 INFO L495 AbstractCegarLoop]: Abstraction has 44527 states and 60694 transitions. [2022-11-20 12:05:20,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 12:05:20,133 INFO L276 IsEmpty]: Start isEmpty. Operand 44527 states and 60694 transitions. [2022-11-20 12:05:20,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-20 12:05:20,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:05:20,139 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:05:20,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:05:20,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:20,363 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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 12:05:20,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:20,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1156905516, now seen corresponding path program 1 times [2022-11-20 12:05:20,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:05:20,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179385091] [2022-11-20 12:05:20,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:05:20,365 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:20,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:05:20,368 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:05:20,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b61de-f186-4e65-a99d-9ba81c3b5345/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 12:05:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:22,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 1428 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:05:22,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:05:22,202 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-11-20 12:05:22,202 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:05:22,202 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:05:22,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1179385091] [2022-11-20 12:05:22,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1179385091] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:05:22,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:05:22,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:05:22,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620188617] [2022-11-20 12:05:22,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:05:22,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:05:22,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:05:22,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:05:22,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:05:22,204 INFO L87 Difference]: Start difference. First operand 44527 states and 60694 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-20 12:05:25,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:25,443 INFO L93 Difference]: Finished difference Result 87196 states and 118538 transitions. [2022-11-20 12:05:25,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:05:25,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 222 [2022-11-20 12:05:25,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:25,596 INFO L225 Difference]: With dead ends: 87196 [2022-11-20 12:05:25,596 INFO L226 Difference]: Without dead ends: 42700 [2022-11-20 12:05:25,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:05:25,736 INFO L413 NwaCegarLoop]: 4684 mSDtfsCounter, 1971 mSDsluCounter, 3091 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 7775 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:25,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1971 Valid, 7775 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:05:25,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42700 states.