./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.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_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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_524d3487-698e-486e-902e-851d7fe69ee8/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 45704baa505532991d887c6baed8540301aeab31c519983c43b4db9d2f3e9308 --- 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 11:51:18,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:51:18,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:51:18,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:51:18,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:51:18,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:51:18,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:51:18,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:51:18,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:51:18,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:51:18,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:51:18,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:51:18,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:51:18,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:51:18,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:51:18,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:51:18,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:51:18,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:51:18,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:51:18,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:51:18,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:51:18,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:51:18,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:51:18,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:51:18,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:51:18,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:51:18,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:51:18,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:51:18,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:51:18,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:51:18,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:51:18,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:51:18,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:51:18,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:51:18,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:51:18,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:51:18,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:51:18,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:51:18,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:51:18,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:51:18,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:51:18,179 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:51:18,207 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:51:18,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:51:18,208 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:51:18,208 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:51:18,209 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:51:18,209 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:51:18,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:51:18,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:51:18,211 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:51:18,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:51:18,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:51:18,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:51:18,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:51:18,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:51:18,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:51:18,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:51:18,213 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:51:18,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:51:18,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:51:18,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:51:18,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:51:18,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:51:18,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:51:18,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:51:18,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:51:18,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:51:18,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:51:18,216 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:51:18,217 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:51:18,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:51:18,217 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_524d3487-698e-486e-902e-851d7fe69ee8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45704baa505532991d887c6baed8540301aeab31c519983c43b4db9d2f3e9308 [2022-11-20 11:51:18,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:51:18,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:51:18,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:51:18,577 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:51:18,577 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:51:18,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-20 11:51:21,692 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:51:22,632 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:51:22,633 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-20 11:51:22,715 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/data/39e0922fe/693f99f053d344fb8e77833a7454e19c/FLAGfefc19d5f [2022-11-20 11:51:22,740 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/data/39e0922fe/693f99f053d344fb8e77833a7454e19c [2022-11-20 11:51:22,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:51:22,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:51:22,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:51:22,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:51:22,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:51:22,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:51:22" (1/1) ... [2022-11-20 11:51:22,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cb39cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:22, skipping insertion in model container [2022-11-20 11:51:22,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:51:22" (1/1) ... [2022-11-20 11:51:22,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:51:23,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:51:27,556 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:1638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) 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 11:51:27,563 INFO L158 Benchmark]: Toolchain (without parser) took 4813.93ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 84.3MB in the beginning and 110.0MB in the end (delta: -25.7MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. [2022-11-20 11:51:27,564 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 92.7MB in the end (delta: 153.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:51:27,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4808.80ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 84.2MB in the beginning and 110.0MB in the end (delta: -25.8MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. [2022-11-20 11:51:27,567 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 92.7MB in the end (delta: 153.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4808.80ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 84.2MB in the beginning and 110.0MB in the end (delta: -25.8MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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_524d3487-698e-486e-902e-851d7fe69ee8/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 45704baa505532991d887c6baed8540301aeab31c519983c43b4db9d2f3e9308 --- 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 11:51:30,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:51:30,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:51:30,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:51:30,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:51:30,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:51:30,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:51:30,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:51:30,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:51:30,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:51:30,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:51:30,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:51:30,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:51:30,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:51:30,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:51:30,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:51:30,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:51:30,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:51:30,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:51:30,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:51:30,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:51:30,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:51:30,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:51:30,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:51:30,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:51:30,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:51:30,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:51:30,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:51:30,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:51:30,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:51:30,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:51:30,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:51:30,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:51:30,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:51:30,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:51:30,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:51:30,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:51:30,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:51:30,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:51:30,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:51:30,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:51:30,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:51:30,320 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:51:30,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:51:30,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:51:30,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:51:30,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:51:30,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:51:30,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:51:30,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:51:30,325 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:51:30,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:51:30,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:51:30,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:51:30,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:51:30,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:51:30,328 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:51:30,328 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:51:30,328 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:51:30,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:51:30,328 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:51:30,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:51:30,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:51:30,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:51:30,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:51:30,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:51:30,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:51:30,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:51:30,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:51:30,331 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:51:30,331 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:51:30,331 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:51:30,331 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:51:30,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:51:30,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:51:30,332 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_524d3487-698e-486e-902e-851d7fe69ee8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45704baa505532991d887c6baed8540301aeab31c519983c43b4db9d2f3e9308 [2022-11-20 11:51:30,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:51:30,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:51:30,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:51:30,784 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:51:30,785 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:51:30,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-20 11:51:34,268 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:51:35,423 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:51:35,423 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-20 11:51:35,559 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/data/8f6c79c83/d7b5a1a7522f43dca8160862000dab67/FLAGd704613a1 [2022-11-20 11:51:35,584 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/data/8f6c79c83/d7b5a1a7522f43dca8160862000dab67 [2022-11-20 11:51:35,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:51:35,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:51:35,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:51:35,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:51:35,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:51:35,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:51:35" (1/1) ... [2022-11-20 11:51:35,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207a1707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:35, skipping insertion in model container [2022-11-20 11:51:35,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:51:35" (1/1) ... [2022-11-20 11:51:35,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:51:35,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:51:45,240 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_524d3487-698e-486e-902e-851d7fe69ee8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910514,910527] [2022-11-20 11:51:45,244 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_524d3487-698e-486e-902e-851d7fe69ee8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910683,910696] [2022-11-20 11:51:45,245 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_524d3487-698e-486e-902e-851d7fe69ee8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910850,910863] [2022-11-20 11:51:45,246 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_524d3487-698e-486e-902e-851d7fe69ee8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[911018,911031] [2022-11-20 11:51:45,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:51:45,436 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 11:51:45,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:51:46,757 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_524d3487-698e-486e-902e-851d7fe69ee8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910514,910527] [2022-11-20 11:51:46,758 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_524d3487-698e-486e-902e-851d7fe69ee8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910683,910696] [2022-11-20 11:51:46,758 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_524d3487-698e-486e-902e-851d7fe69ee8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910850,910863] [2022-11-20 11:51:46,759 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_524d3487-698e-486e-902e-851d7fe69ee8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[911018,911031] [2022-11-20 11:51:46,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:51:46,955 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:51:47,954 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_524d3487-698e-486e-902e-851d7fe69ee8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910514,910527] [2022-11-20 11:51:47,955 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_524d3487-698e-486e-902e-851d7fe69ee8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910683,910696] [2022-11-20 11:51:47,956 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_524d3487-698e-486e-902e-851d7fe69ee8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910850,910863] [2022-11-20 11:51:47,956 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_524d3487-698e-486e-902e-851d7fe69ee8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[911018,911031] [2022-11-20 11:51:47,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:51:48,380 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:51:48,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:48 WrapperNode [2022-11-20 11:51:48,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:51:48,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:51:48,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:51:48,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:51:48,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:48" (1/1) ... [2022-11-20 11:51:48,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:48" (1/1) ... [2022-11-20 11:51:49,300 INFO L138 Inliner]: procedures = 716, calls = 11017, calls flagged for inlining = 355, calls inlined = 332, statements flattened = 23663 [2022-11-20 11:51:49,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:51:49,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:51:49,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:51:49,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:51:49,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:48" (1/1) ... [2022-11-20 11:51:49,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:48" (1/1) ... [2022-11-20 11:51:49,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:48" (1/1) ... [2022-11-20 11:51:49,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:48" (1/1) ... [2022-11-20 11:51:49,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:48" (1/1) ... [2022-11-20 11:51:50,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:48" (1/1) ... [2022-11-20 11:51:50,193 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:48" (1/1) ... [2022-11-20 11:51:50,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:48" (1/1) ... [2022-11-20 11:51:50,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:51:50,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:51:50,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:51:50,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:51:50,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:48" (1/1) ... [2022-11-20 11:51:50,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:51:50,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:51:50,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:51:50,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:51:50,626 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_check_bssid [2022-11-20 11:51:50,627 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_check_bssid [2022-11-20 11:51:50,627 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_rf_reg [2022-11-20 11:51:50,627 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_rf_reg [2022-11-20 11:51:50,627 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_on [2022-11-20 11:51:50,627 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_on [2022-11-20 11:51:50,627 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-20 11:51:50,628 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-20 11:51:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:51:50,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:51:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_lc_calibrate [2022-11-20 11:51:50,628 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_lc_calibrate [2022-11-20 11:51:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8188e_config_bb_reg [2022-11-20 11:51:50,629 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8188e_config_bb_reg [2022-11-20 11:51:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_4 [2022-11-20 11:51:50,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_4 [2022-11-20 11:51:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-11-20 11:51:50,629 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-11-20 11:51:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_enter [2022-11-20 11:51:50,630 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_enter [2022-11-20 11:51:50,630 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_path_adda_on [2022-11-20 11:51:50,630 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_path_adda_on [2022-11-20 11:51:50,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 11:51:50,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 11:51:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2022-11-20 11:51:50,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2022-11-20 11:51:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-11-20 11:51:50,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-11-20 11:51:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 11:51:50,636 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 11:51:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-11-20 11:51:50,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-11-20 11:51:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_bb_reg [2022-11-20 11:51:50,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_bb_reg [2022-11-20 11:51:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_suspend [2022-11-20 11:51:50,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_suspend [2022-11-20 11:51:50,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 11:51:50,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 11:51:50,637 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_interrupt [2022-11-20 11:51:50,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_interrupt [2022-11-20 11:51:50,637 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_off [2022-11-20 11:51:50,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_off [2022-11-20 11:51:50,638 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-20 11:51:50,638 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-11-20 11:51:50,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-11-20 11:51:50,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 11:51:50,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 11:51:50,639 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_config_rf_with_headerfile [2022-11-20 11:51:50,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_config_rf_with_headerfile [2022-11-20 11:51:50,639 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_firmware_selfreset [2022-11-20 11:51:50,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_firmware_selfreset [2022-11-20 11:51:50,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 11:51:50,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 11:51:50,639 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 11:51:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 11:51:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_desc [2022-11-20 11:51:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_desc [2022-11-20 11:51:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_interval [2022-11-20 11:51:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_interval [2022-11-20 11:51:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_disable_interrupt [2022-11-20 11:51:50,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_disable_interrupt [2022-11-20 11:51:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:51:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_resume [2022-11-20 11:51:50,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_resume [2022-11-20 11:51:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2022-11-20 11:51:50,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2022-11-20 11:51:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 11:51:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:51:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 11:51:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 11:51:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-20 11:51:50,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-20 11:51:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_channel_access_setting [2022-11-20 11:51:50,643 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_channel_access_setting [2022-11-20 11:51:50,643 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_rx_idle_ant [2022-11-20 11:51:50,643 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_rx_idle_ant [2022-11-20 11:51:50,643 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2022-11-20 11:51:50,643 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2022-11-20 11:51:50,643 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-20 11:51:50,644 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-20 11:51:50,644 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2022-11-20 11:51:50,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2022-11-20 11:51:50,644 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 11:51:50,644 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 11:51:50,644 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2022-11-20 11:51:50,644 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2022-11-20 11:51:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 11:51:50,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 11:51:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure rf_serial_read [2022-11-20 11:51:50,645 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_serial_read [2022-11-20 11:51:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_interrupt_mask [2022-11-20 11:51:50,645 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_interrupt_mask [2022-11-20 11:51:50,646 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 11:51:50,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 11:51:50,646 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_fw_clk_off_timer_callback [2022-11-20 11:51:50,646 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_fw_clk_off_timer_callback [2022-11-20 11:51:50,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 11:51:50,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 11:51:50,647 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rf_reg [2022-11-20 11:51:50,647 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rf_reg [2022-11-20 11:51:50,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 11:51:50,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 11:51:50,647 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-20 11:51:50,647 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-20 11:51:50,648 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-20 11:51:50,648 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-20 11:51:50,648 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_card_disable [2022-11-20 11:51:50,648 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_card_disable [2022-11-20 11:51:50,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_80 [2022-11-20 11:51:50,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_80 [2022-11-20 11:51:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_check_fw_read_last_h2c [2022-11-20 11:51:50,649 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_check_fw_read_last_h2c [2022-11-20 11:51:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2022-11-20 11:51:50,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2022-11-20 11:51:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-20 11:51:50,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-20 11:51:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_led_control [2022-11-20 11:51:50,650 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_led_control [2022-11-20 11:51:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_related_registers [2022-11-20 11:51:50,650 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_related_registers [2022-11-20 11:51:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_74 [2022-11-20 11:51:50,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_74 [2022-11-20 11:51:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_71 [2022-11-20 11:51:50,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_71 [2022-11-20 11:51:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_70 [2022-11-20 11:51:50,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_70 [2022-11-20 11:51:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure save_adda_reg [2022-11-20 11:51:50,651 INFO L138 BoogieDeclarations]: Found implementation of procedure save_adda_reg [2022-11-20 11:51:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-20 11:51:50,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-20 11:51:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 11:51:50,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 11:51:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-20 11:51:50,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-20 11:51:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:51:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_4_2 [2022-11-20 11:51:50,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_4_2 [2022-11-20 11:51:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-20 11:51:50,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-20 11:51:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_hw_reg [2022-11-20 11:51:50,653 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_hw_reg [2022-11-20 11:51:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:51:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 11:51:50,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 11:51:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 11:51:50,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 11:51:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:51:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 11:51:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 11:51:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 11:51:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rfpath_switch [2022-11-20 11:51:50,655 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rfpath_switch [2022-11-20 11:51:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 11:51:50,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 11:51:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 11:51:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_hal_rate_tbl [2022-11-20 11:51:50,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_hal_rate_tbl [2022-11-20 11:51:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_txpower_level [2022-11-20 11:51:50,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_txpower_level [2022-11-20 11:51:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 11:51:50,656 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 11:51:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bb_reg [2022-11-20 11:51:50,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bb_reg [2022-11-20 11:51:50,657 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_qos [2022-11-20 11:51:50,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_qos [2022-11-20 11:51:50,657 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 11:51:50,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 11:51:50,657 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_iq_calibrate [2022-11-20 11:51:50,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_iq_calibrate [2022-11-20 11:51:50,657 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2022-11-20 11:51:50,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2022-11-20 11:51:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_check_txpower_tracking [2022-11-20 11:51:50,658 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_check_txpower_tracking [2022-11-20 11:51:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_led [2022-11-20 11:51:50,658 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_led [2022-11-20 11:51:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_txpower_track_adjust [2022-11-20 11:51:50,658 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_txpower_track_adjust [2022-11-20 11:51:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 11:51:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_65 [2022-11-20 11:51:50,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_65 [2022-11-20 11:51:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_poweroff_adapter [2022-11-20 11:51:50,659 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_poweroff_adapter [2022-11-20 11:51:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_init_edca_turbo [2022-11-20 11:51:50,659 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_init_edca_turbo [2022-11-20 11:51:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_bcn_ctrl_reg [2022-11-20 11:51:50,660 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_bcn_ctrl_reg [2022-11-20 11:51:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_sw_leds [2022-11-20 11:51:50,660 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_sw_leds [2022-11-20 11:51:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:51:50,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:51:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-20 11:51:50,661 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-20 11:51:50,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 11:51:50,661 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_hal_pwrseqcmdparsing [2022-11-20 11:51:50,661 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_hal_pwrseqcmdparsing [2022-11-20 11:51:50,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 11:51:50,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 11:51:50,661 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_hw_security_config [2022-11-20 11:51:50,662 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_hw_security_config [2022-11-20 11:51:50,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2022-11-20 11:51:50,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2022-11-20 11:51:50,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 11:51:50,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 11:51:50,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 11:51:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 11:51:50,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 11:51:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2022-11-20 11:51:50,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2022-11-20 11:51:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2022-11-20 11:51:50,663 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2022-11-20 11:51:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 11:51:50,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 11:51:50,664 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-20 11:51:50,664 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-20 11:51:50,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_6_2 [2022-11-20 11:51:50,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_6_2 [2022-11-20 11:51:50,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-20 11:51:50,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-20 11:51:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-20 11:51:50,665 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-20 11:51:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_set_iqk_matrix [2022-11-20 11:51:50,665 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_set_iqk_matrix [2022-11-20 11:51:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_65___0 [2022-11-20 11:51:50,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_65___0 [2022-11-20 11:51:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_chk_tx_track [2022-11-20 11:51:50,666 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_chk_tx_track [2022-11-20 11:51:50,666 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_fast_antenna_training_callback [2022-11-20 11:51:50,666 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_fast_antenna_training_callback [2022-11-20 11:51:50,666 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-20 11:51:50,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-20 11:51:50,666 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_stop_tx_beacon [2022-11-20 11:51:50,666 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_stop_tx_beacon [2022-11-20 11:51:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-11-20 11:51:50,667 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-11-20 11:51:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-11-20 11:51:50,667 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-11-20 11:51:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-20 11:51:50,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-20 11:51:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_llt_write [2022-11-20 11:51:50,668 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_llt_write [2022-11-20 11:51:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 11:51:50,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 11:51:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2022-11-20 11:51:50,668 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2022-11-20 11:51:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_watchdog [2022-11-20 11:51:50,669 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_watchdog [2022-11-20 11:51:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-20 11:51:50,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-20 11:51:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bw_mode [2022-11-20 11:51:50,669 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bw_mode [2022-11-20 11:51:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_fast_ant_training [2022-11-20 11:51:50,669 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_fast_ant_training [2022-11-20 11:51:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure sim_comp [2022-11-20 11:51:50,670 INFO L138 BoogieDeclarations]: Found implementation of procedure sim_comp [2022-11-20 11:51:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_deinit_sw_vars [2022-11-20 11:51:50,670 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_deinit_sw_vars [2022-11-20 11:51:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_polling [2022-11-20 11:51:50,670 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_polling [2022-11-20 11:51:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:51:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:51:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_pi_mode_switch [2022-11-20 11:51:50,671 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_pi_mode_switch [2022-11-20 11:51:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65___0 [2022-11-20 11:51:50,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65___0 [2022-11-20 11:51:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure cal_bit_shift [2022-11-20 11:51:50,672 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_bit_shift [2022-11-20 11:51:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_enable_fw_download [2022-11-20 11:51:50,672 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_enable_fw_download [2022-11-20 11:51:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2022-11-20 11:51:50,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2022-11-20 11:51:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-20 11:51:50,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-20 11:51:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 11:51:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 11:51:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 11:51:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 11:51:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:51:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-20 11:51:50,673 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-20 11:51:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-20 11:51:50,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-20 11:51:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_ps_rf_on [2022-11-20 11:51:50,674 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_ps_rf_on [2022-11-20 11:51:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___3 [2022-11-20 11:51:50,674 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___3 [2022-11-20 11:51:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2022-11-20 11:51:50,675 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2022-11-20 11:51:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 11:51:50,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 11:51:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_hw_init [2022-11-20 11:51:50,675 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_hw_init [2022-11-20 11:51:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure check_cond [2022-11-20 11:51:50,675 INFO L138 BoogieDeclarations]: Found implementation of procedure check_cond [2022-11-20 11:51:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2022-11-20 11:51:50,676 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2022-11-20 11:51:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_initial_gain_min_pwdb [2022-11-20 11:51:50,676 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_initial_gain_min_pwdb [2022-11-20 11:51:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2022-11-20 11:51:50,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2022-11-20 11:51:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_iq_calibrate [2022-11-20 11:51:50,677 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_iq_calibrate [2022-11-20 11:51:50,677 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_ps_rf_off_low_power [2022-11-20 11:51:50,677 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_ps_rf_off_low_power [2022-11-20 11:51:50,677 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-20 11:51:50,677 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-20 11:51:50,677 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2022-11-20 11:51:50,677 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2022-11-20 11:51:50,678 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-20 11:51:50,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-20 11:51:50,678 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_hw_reg [2022-11-20 11:51:50,678 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_hw_reg [2022-11-20 11:51:50,678 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2022-11-20 11:51:50,678 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2022-11-20 11:51:50,678 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-20 11:51:50,678 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-20 11:51:50,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_64___0 [2022-11-20 11:51:50,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_64___0 [2022-11-20 11:51:50,679 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-20 11:51:50,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-20 11:51:50,679 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 11:51:50,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 11:51:50,679 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_fill_h2c_cmd [2022-11-20 11:51:50,680 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_fill_h2c_cmd [2022-11-20 11:51:50,680 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_fw_page_write [2022-11-20 11:51:50,680 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_fw_page_write [2022-11-20 11:51:50,680 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2022-11-20 11:51:50,680 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2022-11-20 11:51:50,680 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_tx_ant [2022-11-20 11:51:50,680 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_tx_ant [2022-11-20 11:51:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 11:51:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 11:51:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 11:51:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 11:51:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure reload_adda [2022-11-20 11:51:50,681 INFO L138 BoogieDeclarations]: Found implementation of procedure reload_adda [2022-11-20 11:51:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:51:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:51:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2022-11-20 11:51:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2022-11-20 11:51:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_64 [2022-11-20 11:51:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_64 [2022-11-20 11:51:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2022-11-20 11:51:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2022-11-20 11:51:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_read_eeprom_info [2022-11-20 11:51:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_read_eeprom_info [2022-11-20 11:51:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_off [2022-11-20 11:51:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_off [2022-11-20 11:51:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2022-11-20 11:51:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2022-11-20 11:51:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-20 11:51:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-20 11:51:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_resume_tx_beacon [2022-11-20 11:51:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_resume_tx_beacon [2022-11-20 11:51:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_init_sw_vars [2022-11-20 11:51:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_init_sw_vars [2022-11-20 11:51:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-20 11:51:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-20 11:51:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-20 11:51:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-20 11:51:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_config_s [2022-11-20 11:51:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_config_s [2022-11-20 11:51:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-20 11:51:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-20 11:51:50,686 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-20 11:51:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-20 11:51:50,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 11:51:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 11:51:50,686 INFO L130 BoogieDeclarations]: Found specification of procedure config_bb_with_header [2022-11-20 11:51:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure config_bb_with_header [2022-11-20 11:51:50,686 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-20 11:51:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-20 11:51:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-11-20 11:51:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-11-20 11:51:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_media_status [2022-11-20 11:51:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_media_status [2022-11-20 11:51:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_leave [2022-11-20 11:51:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_leave [2022-11-20 11:51:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-20 11:51:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-20 11:51:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-11-20 11:51:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-11-20 11:51:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_fill_cmddesc [2022-11-20 11:51:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_fill_cmddesc [2022-11-20 11:51:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2022-11-20 11:51:50,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2022-11-20 11:51:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_sw_chnl_cmdarray [2022-11-20 11:51:50,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_sw_chnl_cmdarray [2022-11-20 11:51:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 11:51:50,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 11:51:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_on [2022-11-20 11:51:50,689 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_on [2022-11-20 11:51:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-20 11:51:50,690 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-20 11:51:52,828 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:51:52,832 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:51:58,320 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 12:01:13,497 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:01:13,537 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:01:13,537 INFO L300 CfgBuilder]: Removed 20 assume(true) statements. [2022-11-20 12:01:13,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:01:13 BoogieIcfgContainer [2022-11-20 12:01:13,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:01:13,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:01:13,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:01:13,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:01:13,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:51:35" (1/3) ... [2022-11-20 12:01:13,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380f31c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:01:13, skipping insertion in model container [2022-11-20 12:01:13,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:48" (2/3) ... [2022-11-20 12:01:13,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380f31c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:01:13, skipping insertion in model container [2022-11-20 12:01:13,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:01:13" (3/3) ... [2022-11-20 12:01:13,553 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-20 12:01:13,572 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:01:13,572 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-20 12:01:13,726 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:01:13,732 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;@49a576ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:01:13,732 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-20 12:01:13,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 7239 states, 4867 states have (on average 1.3649065132525169) internal successors, (6643), 5058 states have internal predecessors, (6643), 2197 states have call successors, (2197), 180 states have call predecessors, (2197), 179 states have return successors, (2189), 2108 states have call predecessors, (2189), 2189 states have call successors, (2189) [2022-11-20 12:01:13,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 12:01:13,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:01:13,766 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:01:13,767 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 12:01:13,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:01:13,772 INFO L85 PathProgramCache]: Analyzing trace with hash -982762209, now seen corresponding path program 1 times [2022-11-20 12:01:13,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:01:13,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1570559602] [2022-11-20 12:01:13,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:13,809 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 12:01:13,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:01:13,815 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:01:13,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:01:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 10256 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:01:34,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:01:37,141 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 12:01:37,142 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:01:37,143 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:01:37,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1570559602] [2022-11-20 12:01:37,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1570559602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:01:37,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:01:37,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:01:37,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504064459] [2022-11-20 12:01:37,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:01:37,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:01:37,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:01:37,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:01:37,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:01:37,209 INFO L87 Difference]: Start difference. First operand has 7239 states, 4867 states have (on average 1.3649065132525169) internal successors, (6643), 5058 states have internal predecessors, (6643), 2197 states have call successors, (2197), 180 states have call predecessors, (2197), 179 states have return successors, (2189), 2108 states have call predecessors, (2189), 2189 states have call successors, (2189) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 12:01:38,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:01:38,929 INFO L93 Difference]: Finished difference Result 9458 states and 14517 transitions. [2022-11-20 12:01:38,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:01:38,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 48 [2022-11-20 12:01:38,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:01:38,994 INFO L225 Difference]: With dead ends: 9458 [2022-11-20 12:01:38,994 INFO L226 Difference]: Without dead ends: 4268 [2022-11-20 12:01:39,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:01:39,046 INFO L413 NwaCegarLoop]: 6986 mSDtfsCounter, 6960 mSDsluCounter, 13955 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6961 SdHoareTripleChecker+Valid, 20941 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:01:39,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6961 Valid, 20941 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:01:39,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4268 states. [2022-11-20 12:01:39,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4268 to 4268. [2022-11-20 12:01:39,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4268 states, 2956 states have (on average 1.323748308525034) internal successors, (3913), 3051 states have internal predecessors, (3913), 1173 states have call successors, (1173), 143 states have call predecessors, (1173), 136 states have return successors, (1155), 1113 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-11-20 12:01:39,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4268 states to 4268 states and 6241 transitions. [2022-11-20 12:01:39,798 INFO L78 Accepts]: Start accepts. Automaton has 4268 states and 6241 transitions. Word has length 48 [2022-11-20 12:01:39,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:01:39,799 INFO L495 AbstractCegarLoop]: Abstraction has 4268 states and 6241 transitions. [2022-11-20 12:01:39,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 12:01:39,801 INFO L276 IsEmpty]: Start isEmpty. Operand 4268 states and 6241 transitions. [2022-11-20 12:01:39,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-20 12:01:39,803 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:01:39,804 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:01:40,017 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-11-20 12:01:40,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:01:40,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:01:40,122 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 12:01:40,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:01:40,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1235187579, now seen corresponding path program 1 times [2022-11-20 12:01:40,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:01:40,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2070454669] [2022-11-20 12:01:40,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:40,151 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 12:01:40,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:01:40,152 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:01:40,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:01:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:00,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 10263 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:02:00,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:02:03,496 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 12:02:03,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:02:05,006 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 12:02:05,006 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:02:05,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2070454669] [2022-11-20 12:02:05,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2070454669] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 12:02:05,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:02:05,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 12:02:05,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596527318] [2022-11-20 12:02:05,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:02:05,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:02:05,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:02:05,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:02:05,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:02:05,010 INFO L87 Difference]: Start difference. First operand 4268 states and 6241 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 12:02:07,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:02:07,130 INFO L93 Difference]: Finished difference Result 4274 states and 6246 transitions. [2022-11-20 12:02:07,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:02:07,131 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2022-11-20 12:02:07,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:02:07,168 INFO L225 Difference]: With dead ends: 4274 [2022-11-20 12:02:07,168 INFO L226 Difference]: Without dead ends: 4272 [2022-11-20 12:02:07,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:02:07,174 INFO L413 NwaCegarLoop]: 6238 mSDtfsCounter, 6205 mSDsluCounter, 12452 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6220 SdHoareTripleChecker+Valid, 18690 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 12:02:07,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6220 Valid, 18690 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 12:02:07,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4272 states. [2022-11-20 12:02:07,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4272 to 4272. [2022-11-20 12:02:07,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4272 states, 2959 states have (on average 1.3234200743494424) internal successors, (3916), 3054 states have internal predecessors, (3916), 1173 states have call successors, (1173), 144 states have call predecessors, (1173), 137 states have return successors, (1155), 1113 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-11-20 12:02:07,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4272 states to 4272 states and 6244 transitions. [2022-11-20 12:02:07,618 INFO L78 Accepts]: Start accepts. Automaton has 4272 states and 6244 transitions. Word has length 53 [2022-11-20 12:02:07,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:02:07,619 INFO L495 AbstractCegarLoop]: Abstraction has 4272 states and 6244 transitions. [2022-11-20 12:02:07,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 12:02:07,619 INFO L276 IsEmpty]: Start isEmpty. Operand 4272 states and 6244 transitions. [2022-11-20 12:02:07,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 12:02:07,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:02:07,630 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:02:07,847 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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)] Forcibly destroying the process [2022-11-20 12:02:07,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:02:07,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:02:07,980 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 12:02:07,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:02:07,980 INFO L85 PathProgramCache]: Analyzing trace with hash 58420831, now seen corresponding path program 1 times [2022-11-20 12:02:08,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:02:08,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2689267] [2022-11-20 12:02:08,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:08,006 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 12:02:08,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:02:08,008 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:02:08,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:02:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:28,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 10270 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:02:28,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:02:31,741 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 12:02:31,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:02:33,261 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 12:02:33,261 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:02:33,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2689267] [2022-11-20 12:02:33,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2689267] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 12:02:33,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:02:33,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 12:02:33,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508481353] [2022-11-20 12:02:33,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:02:33,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:02:33,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:02:33,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:02:33,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:02:33,263 INFO L87 Difference]: Start difference. First operand 4272 states and 6244 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 12:02:35,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:02:35,032 INFO L93 Difference]: Finished difference Result 4278 states and 6249 transitions. [2022-11-20 12:02:35,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:02:35,032 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2022-11-20 12:02:35,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:02:35,062 INFO L225 Difference]: With dead ends: 4278 [2022-11-20 12:02:35,062 INFO L226 Difference]: Without dead ends: 4276 [2022-11-20 12:02:35,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:02:35,069 INFO L413 NwaCegarLoop]: 6238 mSDtfsCounter, 6205 mSDsluCounter, 12452 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6219 SdHoareTripleChecker+Valid, 18690 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:02:35,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6219 Valid, 18690 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:02:35,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2022-11-20 12:02:35,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 4276. [2022-11-20 12:02:35,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4276 states, 2962 states have (on average 1.3230925050641458) internal successors, (3919), 3057 states have internal predecessors, (3919), 1173 states have call successors, (1173), 145 states have call predecessors, (1173), 138 states have return successors, (1155), 1113 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-11-20 12:02:35,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 6247 transitions. [2022-11-20 12:02:35,493 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 6247 transitions. Word has length 58 [2022-11-20 12:02:35,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:02:35,494 INFO L495 AbstractCegarLoop]: Abstraction has 4276 states and 6247 transitions. [2022-11-20 12:02:35,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 12:02:35,495 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 6247 transitions. [2022-11-20 12:02:35,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 12:02:35,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:02:35,498 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:02:35,711 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forcibly destroying the process [2022-11-20 12:02:35,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:02:35,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:02:35,813 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 12:02:35,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:02:35,814 INFO L85 PathProgramCache]: Analyzing trace with hash -2015937093, now seen corresponding path program 1 times [2022-11-20 12:02:35,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:02:35,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [599381662] [2022-11-20 12:02:35,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:35,836 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 12:02:35,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:02:35,837 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:02:35,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:02:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:56,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 10277 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:02:56,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:02:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:02:59,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:03:00,489 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:03:00,489 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:03:00,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [599381662] [2022-11-20 12:03:00,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [599381662] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 12:03:00,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:03:00,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 12:03:00,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699294177] [2022-11-20 12:03:00,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:00,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:03:00,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:03:00,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:03:00,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:03:00,491 INFO L87 Difference]: Start difference. First operand 4276 states and 6247 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 12:03:02,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:03:02,257 INFO L93 Difference]: Finished difference Result 4296 states and 6263 transitions. [2022-11-20 12:03:02,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:03:02,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2022-11-20 12:03:02,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:03:02,291 INFO L225 Difference]: With dead ends: 4296 [2022-11-20 12:03:02,291 INFO L226 Difference]: Without dead ends: 4294 [2022-11-20 12:03:02,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:03:02,298 INFO L413 NwaCegarLoop]: 6238 mSDtfsCounter, 6174 mSDsluCounter, 12492 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6187 SdHoareTripleChecker+Valid, 18730 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:03:02,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6187 Valid, 18730 Invalid, 27 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:03:02,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4294 states. [2022-11-20 12:03:02,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4294 to 4292. [2022-11-20 12:03:02,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4292 states, 2974 states have (on average 1.3221250840618695) internal successors, (3932), 3069 states have internal predecessors, (3932), 1173 states have call successors, (1173), 149 states have call predecessors, (1173), 142 states have return successors, (1155), 1113 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-11-20 12:03:02,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4292 states to 4292 states and 6260 transitions. [2022-11-20 12:03:02,770 INFO L78 Accepts]: Start accepts. Automaton has 4292 states and 6260 transitions. Word has length 63 [2022-11-20 12:03:02,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:03:02,771 INFO L495 AbstractCegarLoop]: Abstraction has 4292 states and 6260 transitions. [2022-11-20 12:03:02,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 12:03:02,771 INFO L276 IsEmpty]: Start isEmpty. Operand 4292 states and 6260 transitions. [2022-11-20 12:03:02,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 12:03:02,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:03:02,774 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:03:02,988 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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)] Forcibly destroying the process [2022-11-20 12:03:03,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:03:03,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:03:03,084 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 12:03:03,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:03,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1001842230, now seen corresponding path program 1 times [2022-11-20 12:03:03,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:03:03,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915264536] [2022-11-20 12:03:03,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:03,104 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:03:03,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:03:03,105 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:03:03,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:03:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:23,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 10324 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-20 12:03:23,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:28,743 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-20 12:03:28,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:03:33,821 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-20 12:03:33,822 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:03:33,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [915264536] [2022-11-20 12:03:33,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [915264536] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:03:33,822 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:03:33,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 18 [2022-11-20 12:03:33,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076889056] [2022-11-20 12:03:33,822 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:03:33,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-20 12:03:33,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:03:33,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-20 12:03:33,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-11-20 12:03:33,824 INFO L87 Difference]: Start difference. First operand 4292 states and 6260 transitions. Second operand has 18 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 16 states have internal predecessors, (50), 6 states have call successors, (19), 2 states have call predecessors, (19), 5 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-20 12:03:54,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:03:54,827 INFO L93 Difference]: Finished difference Result 8511 states and 12413 transitions. [2022-11-20 12:03:54,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 12:03:54,828 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 16 states have internal predecessors, (50), 6 states have call successors, (19), 2 states have call predecessors, (19), 5 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) Word has length 81 [2022-11-20 12:03:54,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:03:54,861 INFO L225 Difference]: With dead ends: 8511 [2022-11-20 12:03:54,861 INFO L226 Difference]: Without dead ends: 4306 [2022-11-20 12:03:54,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=119, Invalid=583, Unknown=0, NotChecked=0, Total=702 [2022-11-20 12:03:54,884 INFO L413 NwaCegarLoop]: 6200 mSDtfsCounter, 58 mSDsluCounter, 86707 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 92907 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:03:54,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 92907 Invalid, 721 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [26 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 15.5s Time] [2022-11-20 12:03:54,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4306 states. [2022-11-20 12:03:55,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4306 to 4302. [2022-11-20 12:03:55,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4302 states, 2982 states have (on average 1.3212608987256875) internal successors, (3940), 3077 states have internal predecessors, (3940), 1175 states have call successors, (1175), 149 states have call predecessors, (1175), 142 states have return successors, (1157), 1115 states have call predecessors, (1157), 1157 states have call successors, (1157) [2022-11-20 12:03:55,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4302 states to 4302 states and 6272 transitions. [2022-11-20 12:03:55,432 INFO L78 Accepts]: Start accepts. Automaton has 4302 states and 6272 transitions. Word has length 81 [2022-11-20 12:03:55,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:03:55,433 INFO L495 AbstractCegarLoop]: Abstraction has 4302 states and 6272 transitions. [2022-11-20 12:03:55,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 16 states have internal predecessors, (50), 6 states have call successors, (19), 2 states have call predecessors, (19), 5 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-20 12:03:55,433 INFO L276 IsEmpty]: Start isEmpty. Operand 4302 states and 6272 transitions. [2022-11-20 12:03:55,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 12:03:55,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:03:55,434 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:03:55,651 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forcibly destroying the process [2022-11-20 12:03:55,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:03:55,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:03:55,686 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 12:03:55,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:55,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1553973151, now seen corresponding path program 1 times [2022-11-20 12:03:55,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:03:55,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1759643208] [2022-11-20 12:03:55,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:55,705 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 12:03:55,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:03:55,707 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:03:55,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:04:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:15,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 10284 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:04:15,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:19,009 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-20 12:04:19,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:04:20,638 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-20 12:04:20,638 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:20,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1759643208] [2022-11-20 12:04:20,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1759643208] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 12:04:20,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:04:20,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 12:04:20,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035235924] [2022-11-20 12:04:20,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:20,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:04:20,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:20,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:04:20,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:04:20,641 INFO L87 Difference]: Start difference. First operand 4302 states and 6272 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 12:04:22,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:22,258 INFO L93 Difference]: Finished difference Result 4318 states and 6285 transitions. [2022-11-20 12:04:22,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:04:22,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2022-11-20 12:04:22,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:22,284 INFO L225 Difference]: With dead ends: 4318 [2022-11-20 12:04:22,284 INFO L226 Difference]: Without dead ends: 4316 [2022-11-20 12:04:22,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:04:22,287 INFO L413 NwaCegarLoop]: 6241 mSDtfsCounter, 6168 mSDsluCounter, 12504 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6180 SdHoareTripleChecker+Valid, 18745 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:22,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6180 Valid, 18745 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:04:22,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4316 states. [2022-11-20 12:04:22,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4316 to 4314. [2022-11-20 12:04:22,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4314 states, 2991 states have (on average 1.3206285523236376) internal successors, (3950), 3086 states have internal predecessors, (3950), 1175 states have call successors, (1175), 152 states have call predecessors, (1175), 145 states have return successors, (1157), 1115 states have call predecessors, (1157), 1157 states have call successors, (1157) [2022-11-20 12:04:22,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4314 states to 4314 states and 6282 transitions. [2022-11-20 12:04:22,718 INFO L78 Accepts]: Start accepts. Automaton has 4314 states and 6282 transitions. Word has length 68 [2022-11-20 12:04:22,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:22,718 INFO L495 AbstractCegarLoop]: Abstraction has 4314 states and 6282 transitions. [2022-11-20 12:04:22,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 12:04:22,719 INFO L276 IsEmpty]: Start isEmpty. Operand 4314 states and 6282 transitions. [2022-11-20 12:04:22,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 12:04:22,720 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:22,720 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:22,935 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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)] Forcibly destroying the process [2022-11-20 12:04:22,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:04:22,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:04:22,969 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 12:04:22,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:22,969 INFO L85 PathProgramCache]: Analyzing trace with hash -349314053, now seen corresponding path program 1 times [2022-11-20 12:04:22,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:22,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1243653839] [2022-11-20 12:04:22,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:22,985 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 12:04:22,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:22,986 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:04:22,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:04:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:42,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 10291 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:04:42,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:46,298 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-20 12:04:46,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:04:47,954 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-20 12:04:47,954 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:47,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1243653839] [2022-11-20 12:04:47,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1243653839] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 12:04:47,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:04:47,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 12:04:47,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9648045] [2022-11-20 12:04:47,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:47,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:04:47,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:47,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:04:47,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:04:47,956 INFO L87 Difference]: Start difference. First operand 4314 states and 6282 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 12:04:49,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:49,776 INFO L93 Difference]: Finished difference Result 4343 states and 6305 transitions. [2022-11-20 12:04:49,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:04:49,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 73 [2022-11-20 12:04:49,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:49,815 INFO L225 Difference]: With dead ends: 4343 [2022-11-20 12:04:49,815 INFO L226 Difference]: Without dead ends: 4341 [2022-11-20 12:04:49,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:04:49,819 INFO L413 NwaCegarLoop]: 6245 mSDtfsCounter, 6160 mSDsluCounter, 12527 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6171 SdHoareTripleChecker+Valid, 18772 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:49,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6171 Valid, 18772 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:04:49,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4341 states. [2022-11-20 12:04:50,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4341 to 4339. [2022-11-20 12:04:50,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4339 states, 3010 states have (on average 1.318936877076412) internal successors, (3970), 3105 states have internal predecessors, (3970), 1175 states have call successors, (1175), 158 states have call predecessors, (1175), 151 states have return successors, (1157), 1115 states have call predecessors, (1157), 1157 states have call successors, (1157) [2022-11-20 12:04:50,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4339 states to 4339 states and 6302 transitions. [2022-11-20 12:04:50,368 INFO L78 Accepts]: Start accepts. Automaton has 4339 states and 6302 transitions. Word has length 73 [2022-11-20 12:04:50,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:50,370 INFO L495 AbstractCegarLoop]: Abstraction has 4339 states and 6302 transitions. [2022-11-20 12:04:50,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 12:04:50,371 INFO L276 IsEmpty]: Start isEmpty. Operand 4339 states and 6302 transitions. [2022-11-20 12:04:50,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-20 12:04:50,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:50,375 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:50,591 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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)] Forcibly destroying the process [2022-11-20 12:04:50,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:04:50,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:04:50,674 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 12:04:50,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:50,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1357983967, now seen corresponding path program 1 times [2022-11-20 12:04:50,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:50,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [85753924] [2022-11-20 12:04:50,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:50,692 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 12:04:50,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:50,693 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:04:50,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:05:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:10,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 10298 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:05:10,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:05:14,382 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-20 12:05:14,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:05:16,063 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-20 12:05:16,063 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:05:16,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [85753924] [2022-11-20 12:05:16,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [85753924] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 12:05:16,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:05:16,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 12:05:16,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013770650] [2022-11-20 12:05:16,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:05:16,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:05:16,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:05:16,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:05:16,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:05:16,066 INFO L87 Difference]: Start difference. First operand 4339 states and 6302 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-20 12:05:17,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:17,677 INFO L93 Difference]: Finished difference Result 4345 states and 6307 transitions. [2022-11-20 12:05:17,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:05:17,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 78 [2022-11-20 12:05:17,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:17,700 INFO L225 Difference]: With dead ends: 4345 [2022-11-20 12:05:17,701 INFO L226 Difference]: Without dead ends: 4343 [2022-11-20 12:05:17,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:05:17,705 INFO L413 NwaCegarLoop]: 6238 mSDtfsCounter, 6205 mSDsluCounter, 12452 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6215 SdHoareTripleChecker+Valid, 18690 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:17,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6215 Valid, 18690 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:05:17,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4343 states. [2022-11-20 12:05:18,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4343 to 4343. [2022-11-20 12:05:18,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4343 states, 3013 states have (on average 1.3186193162960504) internal successors, (3973), 3108 states have internal predecessors, (3973), 1175 states have call successors, (1175), 159 states have call predecessors, (1175), 152 states have return successors, (1157), 1115 states have call predecessors, (1157), 1157 states have call successors, (1157) [2022-11-20 12:05:18,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4343 states to 4343 states and 6305 transitions. [2022-11-20 12:05:18,354 INFO L78 Accepts]: Start accepts. Automaton has 4343 states and 6305 transitions. Word has length 78 [2022-11-20 12:05:18,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:18,355 INFO L495 AbstractCegarLoop]: Abstraction has 4343 states and 6305 transitions. [2022-11-20 12:05:18,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-20 12:05:18,356 INFO L276 IsEmpty]: Start isEmpty. Operand 4343 states and 6305 transitions. [2022-11-20 12:05:18,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 12:05:18,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:05:18,358 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:05:18,579 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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)] Forcibly destroying the process [2022-11-20 12:05:18,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 12:05:18,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:05:18,693 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 12:05:18,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:18,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1116432955, now seen corresponding path program 1 times [2022-11-20 12:05:18,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:05:18,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189643035] [2022-11-20 12:05:18,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:05:18,718 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 12:05:18,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:05:18,719 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/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 12:05:18,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d3487-698e-486e-902e-851d7fe69ee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 12:05:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:39,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 10305 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:05:39,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:05:42,726 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-20 12:05:42,726 INFO L328 TraceCheckSpWp]: Computing backward predicates...