./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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_97612368-3522-4aac-8a9f-b1a2316b8564/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 deb1ab2dfee1720097b2641f46d2c4bfdc556bdc54a3c09b9a590ecca720241b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:39:02,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:39:02,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:39:02,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:39:02,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:39:02,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:39:02,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:39:02,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:39:02,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:39:02,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:39:02,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:39:02,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:39:02,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:39:02,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:39:02,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:39:02,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:39:02,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:39:02,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:39:02,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:39:02,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:39:02,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:39:02,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:39:02,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:39:02,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:39:02,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:39:02,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:39:02,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:39:02,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:39:02,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:39:02,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:39:02,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:39:02,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:39:02,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:39:02,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:39:02,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:39:02,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:39:02,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:39:02,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:39:02,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:39:02,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:39:02,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:39:02,178 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:39:02,214 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:39:02,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:39:02,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:39:02,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:39:02,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:39:02,217 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:39:02,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:39:02,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:39:02,219 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:39:02,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:39:02,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:39:02,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:39:02,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:39:02,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:39:02,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:39:02,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:39:02,222 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:39:02,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:39:02,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:39:02,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:39:02,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:39:02,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:39:02,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:39:02,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:39:02,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:39:02,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:39:02,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:39:02,224 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:39:02,224 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:39:02,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:39:02,225 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_97612368-3522-4aac-8a9f-b1a2316b8564/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deb1ab2dfee1720097b2641f46d2c4bfdc556bdc54a3c09b9a590ecca720241b [2022-11-20 10:39:02,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:39:02,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:39:02,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:39:02,612 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:39:02,612 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:39:02,614 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2022-11-20 10:39:05,659 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:39:06,486 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:39:06,488 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2022-11-20 10:39:06,556 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/data/03f9d771c/34312eed2856446cb4ae522f31dda0c6/FLAG25c889e71 [2022-11-20 10:39:06,577 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/data/03f9d771c/34312eed2856446cb4ae522f31dda0c6 [2022-11-20 10:39:06,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:39:06,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:39:06,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:39:06,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:39:06,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:39:06,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:39:06" (1/1) ... [2022-11-20 10:39:06,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7488757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:06, skipping insertion in model container [2022-11-20 10:39:06,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:39:06" (1/1) ... [2022-11-20 10:39:06,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:39:06,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:39:08,059 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 10:39:08,068 INFO L158 Benchmark]: Toolchain (without parser) took 1483.08ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 85.8MB in the beginning and 103.8MB in the end (delta: -18.1MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2022-11-20 10:39:08,069 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 114.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:39:08,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1478.04ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 85.8MB in the beginning and 103.8MB in the end (delta: -18.1MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2022-11-20 10:39:08,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 114.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1478.04ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 85.8MB in the beginning and 103.8MB in the end (delta: -18.1MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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_97612368-3522-4aac-8a9f-b1a2316b8564/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 deb1ab2dfee1720097b2641f46d2c4bfdc556bdc54a3c09b9a590ecca720241b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:39:10,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:39:10,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:39:10,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:39:10,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:39:10,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:39:10,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:39:10,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:39:10,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:39:10,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:39:10,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:39:10,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:39:10,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:39:10,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:39:10,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:39:10,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:39:10,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:39:10,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:39:10,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:39:10,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:39:10,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:39:10,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:39:10,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:39:10,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:39:10,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:39:10,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:39:10,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:39:10,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:39:10,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:39:10,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:39:10,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:39:10,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:39:10,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:39:10,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:39:10,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:39:10,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:39:10,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:39:10,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:39:10,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:39:10,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:39:10,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:39:10,721 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:39:10,761 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:39:10,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:39:10,763 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:39:10,763 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:39:10,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:39:10,765 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:39:10,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:39:10,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:39:10,766 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:39:10,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:39:10,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:39:10,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:39:10,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:39:10,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:39:10,769 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:39:10,769 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:39:10,769 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:39:10,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:39:10,770 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:39:10,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:39:10,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:39:10,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:39:10,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:39:10,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:39:10,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:39:10,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:39:10,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:39:10,772 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:39:10,772 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:39:10,773 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:39:10,773 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:39:10,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:39:10,774 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:39:10,774 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_97612368-3522-4aac-8a9f-b1a2316b8564/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deb1ab2dfee1720097b2641f46d2c4bfdc556bdc54a3c09b9a590ecca720241b [2022-11-20 10:39:11,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:39:11,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:39:11,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:39:11,214 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:39:11,215 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:39:11,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2022-11-20 10:39:14,417 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:39:15,181 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:39:15,182 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2022-11-20 10:39:15,265 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/data/e7fb06eb1/8bbf3ac94bbc4dc9b17663da34f0bf9f/FLAGf284ef810 [2022-11-20 10:39:15,295 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/data/e7fb06eb1/8bbf3ac94bbc4dc9b17663da34f0bf9f [2022-11-20 10:39:15,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:39:15,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:39:15,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:39:15,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:39:15,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:39:15,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:39:15" (1/1) ... [2022-11-20 10:39:15,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f233ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:15, skipping insertion in model container [2022-11-20 10:39:15,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:39:15" (1/1) ... [2022-11-20 10:39:15,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:39:15,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:39:21,657 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524188,524201] [2022-11-20 10:39:21,661 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524333,524346] [2022-11-20 10:39:21,661 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524479,524492] [2022-11-20 10:39:21,662 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524644,524657] [2022-11-20 10:39:21,662 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524802,524815] [2022-11-20 10:39:21,663 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524960,524973] [2022-11-20 10:39:21,663 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525118,525131] [2022-11-20 10:39:21,664 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525278,525291] [2022-11-20 10:39:21,664 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525437,525450] [2022-11-20 10:39:21,665 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525576,525589] [2022-11-20 10:39:21,665 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525718,525731] [2022-11-20 10:39:21,666 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525867,525880] [2022-11-20 10:39:21,666 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526006,526019] [2022-11-20 10:39:21,667 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526161,526174] [2022-11-20 10:39:21,667 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526321,526334] [2022-11-20 10:39:21,667 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526472,526485] [2022-11-20 10:39:21,668 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526623,526636] [2022-11-20 10:39:21,669 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526775,526788] [2022-11-20 10:39:21,669 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526924,526937] [2022-11-20 10:39:21,670 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527072,527085] [2022-11-20 10:39:21,670 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527229,527242] [2022-11-20 10:39:21,671 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527378,527391] [2022-11-20 10:39:21,671 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527534,527547] [2022-11-20 10:39:21,671 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527687,527700] [2022-11-20 10:39:21,672 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527833,527846] [2022-11-20 10:39:21,672 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527976,527989] [2022-11-20 10:39:21,673 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528128,528141] [2022-11-20 10:39:21,673 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528274,528287] [2022-11-20 10:39:21,674 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528419,528432] [2022-11-20 10:39:21,674 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528573,528586] [2022-11-20 10:39:21,675 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528724,528737] [2022-11-20 10:39:21,675 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528879,528892] [2022-11-20 10:39:21,676 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529031,529044] [2022-11-20 10:39:21,676 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529186,529199] [2022-11-20 10:39:21,676 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529350,529363] [2022-11-20 10:39:21,677 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529506,529519] [2022-11-20 10:39:21,677 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529670,529683] [2022-11-20 10:39:21,678 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529812,529825] [2022-11-20 10:39:21,678 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529970,529983] [2022-11-20 10:39:21,679 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530137,530150] [2022-11-20 10:39:21,679 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530296,530309] [2022-11-20 10:39:21,680 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530455,530468] [2022-11-20 10:39:21,680 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530604,530617] [2022-11-20 10:39:21,681 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530751,530764] [2022-11-20 10:39:21,681 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530890,530903] [2022-11-20 10:39:21,681 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531053,531066] [2022-11-20 10:39:21,682 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531219,531232] [2022-11-20 10:39:21,683 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531383,531396] [2022-11-20 10:39:21,683 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531548,531561] [2022-11-20 10:39:21,683 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531713,531726] [2022-11-20 10:39:21,684 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531879,531892] [2022-11-20 10:39:21,684 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532044,532057] [2022-11-20 10:39:21,685 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532211,532224] [2022-11-20 10:39:21,685 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532371,532384] [2022-11-20 10:39:21,686 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532533,532546] [2022-11-20 10:39:21,686 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532692,532705] [2022-11-20 10:39:21,687 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532838,532851] [2022-11-20 10:39:21,687 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532981,532994] [2022-11-20 10:39:21,687 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533125,533138] [2022-11-20 10:39:21,688 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533268,533281] [2022-11-20 10:39:21,688 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533412,533425] [2022-11-20 10:39:21,689 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533553,533566] [2022-11-20 10:39:21,689 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533691,533704] [2022-11-20 10:39:21,690 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533849,533862] [2022-11-20 10:39:21,690 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534008,534021] [2022-11-20 10:39:21,691 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534164,534177] [2022-11-20 10:39:21,691 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534313,534326] [2022-11-20 10:39:21,691 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534465,534478] [2022-11-20 10:39:21,692 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534616,534629] [2022-11-20 10:39:21,692 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534765,534778] [2022-11-20 10:39:21,693 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534917,534930] [2022-11-20 10:39:21,693 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535065,535078] [2022-11-20 10:39:21,694 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535218,535231] [2022-11-20 10:39:21,694 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535369,535382] [2022-11-20 10:39:21,694 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535519,535532] [2022-11-20 10:39:21,695 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535666,535679] [2022-11-20 10:39:21,695 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535817,535830] [2022-11-20 10:39:21,696 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535968,535981] [2022-11-20 10:39:21,696 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536116,536129] [2022-11-20 10:39:21,697 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536282,536295] [2022-11-20 10:39:21,697 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536451,536464] [2022-11-20 10:39:21,697 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536618,536631] [2022-11-20 10:39:21,698 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536786,536799] [2022-11-20 10:39:21,698 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536936,536949] [2022-11-20 10:39:21,699 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537083,537096] [2022-11-20 10:39:21,699 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537244,537257] [2022-11-20 10:39:21,700 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537414,537427] [2022-11-20 10:39:21,700 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537576,537589] [2022-11-20 10:39:21,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:39:21,801 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 10:39:21,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:39:22,444 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524188,524201] [2022-11-20 10:39:22,444 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524333,524346] [2022-11-20 10:39:22,459 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524479,524492] [2022-11-20 10:39:22,463 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524644,524657] [2022-11-20 10:39:22,464 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524802,524815] [2022-11-20 10:39:22,467 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524960,524973] [2022-11-20 10:39:22,467 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525118,525131] [2022-11-20 10:39:22,468 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525278,525291] [2022-11-20 10:39:22,468 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525437,525450] [2022-11-20 10:39:22,469 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525576,525589] [2022-11-20 10:39:22,471 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525718,525731] [2022-11-20 10:39:22,471 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525867,525880] [2022-11-20 10:39:22,472 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526006,526019] [2022-11-20 10:39:22,472 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526161,526174] [2022-11-20 10:39:22,473 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526321,526334] [2022-11-20 10:39:22,473 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526472,526485] [2022-11-20 10:39:22,474 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526623,526636] [2022-11-20 10:39:22,474 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526775,526788] [2022-11-20 10:39:22,475 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526924,526937] [2022-11-20 10:39:22,475 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527072,527085] [2022-11-20 10:39:22,476 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527229,527242] [2022-11-20 10:39:22,476 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527378,527391] [2022-11-20 10:39:22,477 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527534,527547] [2022-11-20 10:39:22,477 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527687,527700] [2022-11-20 10:39:22,478 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527833,527846] [2022-11-20 10:39:22,478 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527976,527989] [2022-11-20 10:39:22,479 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528128,528141] [2022-11-20 10:39:22,479 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528274,528287] [2022-11-20 10:39:22,480 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528419,528432] [2022-11-20 10:39:22,480 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528573,528586] [2022-11-20 10:39:22,481 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528724,528737] [2022-11-20 10:39:22,481 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528879,528892] [2022-11-20 10:39:22,482 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529031,529044] [2022-11-20 10:39:22,482 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529186,529199] [2022-11-20 10:39:22,483 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529350,529363] [2022-11-20 10:39:22,483 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529506,529519] [2022-11-20 10:39:22,484 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529670,529683] [2022-11-20 10:39:22,484 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529812,529825] [2022-11-20 10:39:22,484 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529970,529983] [2022-11-20 10:39:22,485 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530137,530150] [2022-11-20 10:39:22,485 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530296,530309] [2022-11-20 10:39:22,486 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530455,530468] [2022-11-20 10:39:22,487 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530604,530617] [2022-11-20 10:39:22,487 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530751,530764] [2022-11-20 10:39:22,488 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530890,530903] [2022-11-20 10:39:22,488 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531053,531066] [2022-11-20 10:39:22,489 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531219,531232] [2022-11-20 10:39:22,489 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531383,531396] [2022-11-20 10:39:22,490 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531548,531561] [2022-11-20 10:39:22,490 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531713,531726] [2022-11-20 10:39:22,491 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531879,531892] [2022-11-20 10:39:22,491 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532044,532057] [2022-11-20 10:39:22,491 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532211,532224] [2022-11-20 10:39:22,492 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532371,532384] [2022-11-20 10:39:22,492 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532533,532546] [2022-11-20 10:39:22,493 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532692,532705] [2022-11-20 10:39:22,493 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532838,532851] [2022-11-20 10:39:22,494 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532981,532994] [2022-11-20 10:39:22,494 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533125,533138] [2022-11-20 10:39:22,495 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533268,533281] [2022-11-20 10:39:22,496 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533412,533425] [2022-11-20 10:39:22,496 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533553,533566] [2022-11-20 10:39:22,497 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533691,533704] [2022-11-20 10:39:22,497 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533849,533862] [2022-11-20 10:39:22,498 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534008,534021] [2022-11-20 10:39:22,498 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534164,534177] [2022-11-20 10:39:22,499 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534313,534326] [2022-11-20 10:39:22,499 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534465,534478] [2022-11-20 10:39:22,500 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534616,534629] [2022-11-20 10:39:22,500 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534765,534778] [2022-11-20 10:39:22,501 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534917,534930] [2022-11-20 10:39:22,501 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535065,535078] [2022-11-20 10:39:22,502 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535218,535231] [2022-11-20 10:39:22,502 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535369,535382] [2022-11-20 10:39:22,503 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535519,535532] [2022-11-20 10:39:22,503 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535666,535679] [2022-11-20 10:39:22,503 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535817,535830] [2022-11-20 10:39:22,504 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535968,535981] [2022-11-20 10:39:22,504 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536116,536129] [2022-11-20 10:39:22,505 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536282,536295] [2022-11-20 10:39:22,505 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536451,536464] [2022-11-20 10:39:22,506 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536618,536631] [2022-11-20 10:39:22,506 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536786,536799] [2022-11-20 10:39:22,507 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536936,536949] [2022-11-20 10:39:22,507 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537083,537096] [2022-11-20 10:39:22,508 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537244,537257] [2022-11-20 10:39:22,508 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537414,537427] [2022-11-20 10:39:22,508 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537576,537589] [2022-11-20 10:39:22,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:39:22,550 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:39:23,157 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524188,524201] [2022-11-20 10:39:23,158 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524333,524346] [2022-11-20 10:39:23,158 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524479,524492] [2022-11-20 10:39:23,158 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524644,524657] [2022-11-20 10:39:23,159 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524802,524815] [2022-11-20 10:39:23,159 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524960,524973] [2022-11-20 10:39:23,159 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525118,525131] [2022-11-20 10:39:23,160 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525278,525291] [2022-11-20 10:39:23,161 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525437,525450] [2022-11-20 10:39:23,161 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525576,525589] [2022-11-20 10:39:23,161 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525718,525731] [2022-11-20 10:39:23,162 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525867,525880] [2022-11-20 10:39:23,162 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526006,526019] [2022-11-20 10:39:23,163 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526161,526174] [2022-11-20 10:39:23,163 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526321,526334] [2022-11-20 10:39:23,164 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526472,526485] [2022-11-20 10:39:23,165 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526623,526636] [2022-11-20 10:39:23,165 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526775,526788] [2022-11-20 10:39:23,168 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526924,526937] [2022-11-20 10:39:23,168 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527072,527085] [2022-11-20 10:39:23,169 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527229,527242] [2022-11-20 10:39:23,169 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527378,527391] [2022-11-20 10:39:23,171 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527534,527547] [2022-11-20 10:39:23,171 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527687,527700] [2022-11-20 10:39:23,172 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527833,527846] [2022-11-20 10:39:23,172 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527976,527989] [2022-11-20 10:39:23,177 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528128,528141] [2022-11-20 10:39:23,178 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528274,528287] [2022-11-20 10:39:23,178 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528419,528432] [2022-11-20 10:39:23,179 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528573,528586] [2022-11-20 10:39:23,179 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528724,528737] [2022-11-20 10:39:23,180 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528879,528892] [2022-11-20 10:39:23,180 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529031,529044] [2022-11-20 10:39:23,180 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529186,529199] [2022-11-20 10:39:23,181 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529350,529363] [2022-11-20 10:39:23,181 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529506,529519] [2022-11-20 10:39:23,182 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529670,529683] [2022-11-20 10:39:23,182 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529812,529825] [2022-11-20 10:39:23,182 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529970,529983] [2022-11-20 10:39:23,184 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530137,530150] [2022-11-20 10:39:23,185 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530296,530309] [2022-11-20 10:39:23,185 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530455,530468] [2022-11-20 10:39:23,186 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530604,530617] [2022-11-20 10:39:23,188 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530751,530764] [2022-11-20 10:39:23,189 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530890,530903] [2022-11-20 10:39:23,189 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531053,531066] [2022-11-20 10:39:23,190 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531219,531232] [2022-11-20 10:39:23,190 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531383,531396] [2022-11-20 10:39:23,191 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531548,531561] [2022-11-20 10:39:23,191 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531713,531726] [2022-11-20 10:39:23,192 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531879,531892] [2022-11-20 10:39:23,194 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532044,532057] [2022-11-20 10:39:23,194 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532211,532224] [2022-11-20 10:39:23,195 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532371,532384] [2022-11-20 10:39:23,195 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532533,532546] [2022-11-20 10:39:23,196 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532692,532705] [2022-11-20 10:39:23,196 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532838,532851] [2022-11-20 10:39:23,197 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532981,532994] [2022-11-20 10:39:23,197 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533125,533138] [2022-11-20 10:39:23,197 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533268,533281] [2022-11-20 10:39:23,198 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533412,533425] [2022-11-20 10:39:23,198 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533553,533566] [2022-11-20 10:39:23,199 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533691,533704] [2022-11-20 10:39:23,201 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533849,533862] [2022-11-20 10:39:23,202 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534008,534021] [2022-11-20 10:39:23,202 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534164,534177] [2022-11-20 10:39:23,203 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534313,534326] [2022-11-20 10:39:23,203 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534465,534478] [2022-11-20 10:39:23,204 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534616,534629] [2022-11-20 10:39:23,204 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534765,534778] [2022-11-20 10:39:23,206 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534917,534930] [2022-11-20 10:39:23,206 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535065,535078] [2022-11-20 10:39:23,207 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535218,535231] [2022-11-20 10:39:23,207 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535369,535382] [2022-11-20 10:39:23,208 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535519,535532] [2022-11-20 10:39:23,209 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535666,535679] [2022-11-20 10:39:23,209 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535817,535830] [2022-11-20 10:39:23,210 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535968,535981] [2022-11-20 10:39:23,210 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536116,536129] [2022-11-20 10:39:23,212 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536282,536295] [2022-11-20 10:39:23,217 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536451,536464] [2022-11-20 10:39:23,221 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536618,536631] [2022-11-20 10:39:23,222 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536786,536799] [2022-11-20 10:39:23,223 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536936,536949] [2022-11-20 10:39:23,223 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537083,537096] [2022-11-20 10:39:23,223 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537244,537257] [2022-11-20 10:39:23,224 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537414,537427] [2022-11-20 10:39:23,224 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_97612368-3522-4aac-8a9f-b1a2316b8564/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537576,537589] [2022-11-20 10:39:23,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:39:23,842 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:39:23,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:23 WrapperNode [2022-11-20 10:39:23,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:39:23,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:39:23,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:39:23,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:39:23,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:23" (1/1) ... [2022-11-20 10:39:24,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:23" (1/1) ... [2022-11-20 10:39:24,340 INFO L138 Inliner]: procedures = 891, calls = 4554, calls flagged for inlining = 420, calls inlined = 325, statements flattened = 7904 [2022-11-20 10:39:24,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:39:24,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:39:24,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:39:24,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:39:24,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:23" (1/1) ... [2022-11-20 10:39:24,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:23" (1/1) ... [2022-11-20 10:39:24,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:23" (1/1) ... [2022-11-20 10:39:24,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:23" (1/1) ... [2022-11-20 10:39:24,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:23" (1/1) ... [2022-11-20 10:39:24,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:23" (1/1) ... [2022-11-20 10:39:24,728 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:23" (1/1) ... [2022-11-20 10:39:24,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:23" (1/1) ... [2022-11-20 10:39:24,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:39:24,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:39:24,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:39:24,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:39:24,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:23" (1/1) ... [2022-11-20 10:39:24,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:39:24,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:24,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:24,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:39:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_122 [2022-11-20 10:39:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_122 [2022-11-20 10:39:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-11-20 10:39:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-11-20 10:39:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-20 10:39:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-20 10:39:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 10:39:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 10:39:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_142 [2022-11-20 10:39:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_142 [2022-11-20 10:39:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 10:39:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 10:39:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-11-20 10:39:24,913 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-11-20 10:39:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 10:39:24,913 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 10:39:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 10:39:24,913 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 10:39:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2022-11-20 10:39:24,914 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2022-11-20 10:39:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-20 10:39:24,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-20 10:39:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-11-20 10:39:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-11-20 10:39:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 10:39:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 10:39:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-11-20 10:39:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-11-20 10:39:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2022-11-20 10:39:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2022-11-20 10:39:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-11-20 10:39:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-11-20 10:39:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-20 10:39:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-20 10:39:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-11-20 10:39:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-11-20 10:39:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-20 10:39:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-20 10:39:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 10:39:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 10:39:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 10:39:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 10:39:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-11-20 10:39:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-11-20 10:39:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-11-20 10:39:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-11-20 10:39:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 10:39:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 10:39:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 10:39:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 10:39:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 10:39:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 10:39:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 10:39:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 10:39:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-11-20 10:39:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-11-20 10:39:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 10:39:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 10:39:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-11-20 10:39:24,922 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-11-20 10:39:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 10:39:24,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 10:39:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 10:39:24,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 10:39:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-20 10:39:24,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-20 10:39:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:39:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-20 10:39:24,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-20 10:39:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-20 10:39:24,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-20 10:39:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-11-20 10:39:24,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-11-20 10:39:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-11-20 10:39:24,924 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-11-20 10:39:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:39:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 10:39:24,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 10:39:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 10:39:24,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 10:39:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:39:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 10:39:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-11-20 10:39:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-11-20 10:39:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-11-20 10:39:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-11-20 10:39:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-11-20 10:39:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-11-20 10:39:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-11-20 10:39:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-11-20 10:39:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 10:39:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 10:39:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_irq_lock_of_alx_priv [2022-11-20 10:39:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_irq_lock_of_alx_priv [2022-11-20 10:39:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-11-20 10:39:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-11-20 10:39:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 10:39:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 10:39:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-20 10:39:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-20 10:39:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-11-20 10:39:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-11-20 10:39:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 10:39:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 10:39:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:39:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:39:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-20 10:39:24,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-20 10:39:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 10:39:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 10:39:24,933 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 10:39:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-20 10:39:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-11-20 10:39:24,933 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-11-20 10:39:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 10:39:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 10:39:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-11-20 10:39:24,935 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-11-20 10:39:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 10:39:24,935 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 10:39:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-11-20 10:39:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-11-20 10:39:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-11-20 10:39:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-11-20 10:39:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-20 10:39:24,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-20 10:39:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-20 10:39:24,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-20 10:39:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_128 [2022-11-20 10:39:24,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_128 [2022-11-20 10:39:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-20 10:39:24,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-20 10:39:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 10:39:24,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 10:39:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-20 10:39:24,938 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-20 10:39:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:39:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 10:39:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 10:39:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 10:39:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 10:39:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-11-20 10:39:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-11-20 10:39:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:39:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-11-20 10:39:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-11-20 10:39:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 10:39:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 10:39:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 10:39:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 10:39:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-20 10:39:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-20 10:39:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 10:39:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 10:39:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 10:39:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 10:39:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 10:39:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 10:39:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 10:39:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 10:39:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-11-20 10:39:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-11-20 10:39:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 10:39:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 10:39:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-11-20 10:39:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-11-20 10:39:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-11-20 10:39:24,944 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-11-20 10:39:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 10:39:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 10:39:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 10:39:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 10:39:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 10:39:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 10:39:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-11-20 10:39:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-11-20 10:39:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-11-20 10:39:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-11-20 10:39:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-11-20 10:39:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-11-20 10:39:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-20 10:39:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-20 10:39:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_121 [2022-11-20 10:39:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_121 [2022-11-20 10:39:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-11-20 10:39:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-11-20 10:39:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-20 10:39:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-20 10:39:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-20 10:39:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-20 10:39:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-11-20 10:39:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-11-20 10:39:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_141 [2022-11-20 10:39:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_141 [2022-11-20 10:39:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-20 10:39:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-20 10:39:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 10:39:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 10:39:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 10:39:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 10:39:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 10:39:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 10:39:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-11-20 10:39:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-11-20 10:39:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-11-20 10:39:24,950 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-11-20 10:39:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-11-20 10:39:24,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-11-20 10:39:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 10:39:24,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 10:39:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-20 10:39:24,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-20 10:39:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 10:39:24,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 10:39:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-11-20 10:39:24,951 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-11-20 10:39:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-11-20 10:39:24,952 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-11-20 10:39:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 10:39:24,952 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 10:39:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 10:39:24,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 10:39:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2022-11-20 10:39:24,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2022-11-20 10:39:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-11-20 10:39:24,953 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-11-20 10:39:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 10:39:24,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 10:39:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 10:39:24,954 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 10:39:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 10:39:24,954 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 10:39:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 10:39:24,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 10:39:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-20 10:39:24,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-20 10:39:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_irq_lock_of_alx_priv [2022-11-20 10:39:24,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_irq_lock_of_alx_priv [2022-11-20 10:39:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 10:39:24,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 10:39:24,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:39:24,956 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-11-20 10:39:24,956 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-11-20 10:39:24,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 10:39:24,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 10:39:24,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 10:39:24,957 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-20 10:39:24,957 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-20 10:39:24,957 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-11-20 10:39:24,957 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-11-20 10:39:24,957 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-11-20 10:39:24,957 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 10:39:24,958 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 10:39:24,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_rtnl_is_locked [2022-11-20 10:39:24,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_rtnl_is_locked [2022-11-20 10:39:24,958 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-11-20 10:39:24,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-11-20 10:39:24,958 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2022-11-20 10:39:24,959 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2022-11-20 10:39:24,959 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 10:39:24,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 10:39:24,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-20 10:39:24,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-20 10:39:24,959 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 10:39:24,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 10:39:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-20 10:39:24,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-20 10:39:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 10:39:24,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 10:39:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 10:39:24,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 10:39:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 10:39:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 10:39:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-11-20 10:39:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-11-20 10:39:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 10:39:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 10:39:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-11-20 10:39:24,962 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-11-20 10:39:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-11-20 10:39:24,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-11-20 10:39:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 10:39:24,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 10:39:24,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2022-11-20 10:39:24,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2022-11-20 10:39:24,963 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-11-20 10:39:24,963 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-11-20 10:39:24,963 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-20 10:39:24,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-20 10:39:24,964 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 10:39:24,964 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 10:39:24,964 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-11-20 10:39:24,964 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-11-20 10:39:24,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 10:39:24,964 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-11-20 10:39:24,965 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-11-20 10:39:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 10:39:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:39:24,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:39:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 10:39:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-11-20 10:39:24,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-11-20 10:39:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-11-20 10:39:24,966 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-11-20 10:39:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-20 10:39:24,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-20 10:39:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-20 10:39:24,967 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-20 10:39:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 10:39:24,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 10:39:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 10:39:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-11-20 10:39:24,967 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-11-20 10:39:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-20 10:39:24,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-20 10:39:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 10:39:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 10:39:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 10:39:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 10:39:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 10:39:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 10:39:24,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 10:39:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-20 10:39:24,969 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-20 10:39:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 10:39:24,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 10:39:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-20 10:39:24,970 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-20 10:39:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2022-11-20 10:39:24,970 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2022-11-20 10:39:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-20 10:39:24,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-20 10:39:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-20 10:39:24,971 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-20 10:39:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-20 10:39:24,971 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-20 10:39:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-20 10:39:24,971 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-20 10:39:24,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 10:39:24,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 10:39:24,972 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 10:39:24,972 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 10:39:24,972 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-11-20 10:39:24,972 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-11-20 10:39:24,973 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-11-20 10:39:24,973 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-11-20 10:39:24,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-20 10:39:24,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-20 10:39:24,973 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 10:39:24,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 10:39:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 10:39:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 10:39:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 10:39:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 10:39:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:39:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-11-20 10:39:24,975 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-11-20 10:39:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-20 10:39:24,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-20 10:39:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-20 10:39:24,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-20 10:39:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 10:39:24,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 10:39:24,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-20 10:39:24,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-20 10:39:24,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 10:39:24,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 10:39:24,976 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 10:39:24,976 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 10:39:24,977 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-20 10:39:24,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-20 10:39:24,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 10:39:24,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 10:39:24,977 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 10:39:24,977 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 10:39:24,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 10:39:24,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 10:39:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-11-20 10:39:24,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-11-20 10:39:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-11-20 10:39:24,978 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-11-20 10:39:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-11-20 10:39:24,979 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-11-20 10:39:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-11-20 10:39:24,979 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-11-20 10:39:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 10:39:24,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 10:39:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 10:39:24,979 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 10:39:24,980 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 10:39:24,980 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 10:39:24,980 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-20 10:39:24,980 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-20 10:39:24,980 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-11-20 10:39:24,980 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-11-20 10:39:24,981 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-11-20 10:39:24,981 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-11-20 10:39:24,981 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-11-20 10:39:24,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-11-20 10:39:24,981 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-11-20 10:39:24,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-11-20 10:39:24,982 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-20 10:39:24,982 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-20 10:39:24,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 10:39:24,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 10:39:24,982 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-20 10:39:24,982 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-20 10:39:24,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 10:39:24,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 10:39:24,983 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-20 10:39:24,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-20 10:39:24,983 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-11-20 10:39:24,983 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-11-20 10:39:24,983 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 10:39:24,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 10:39:24,984 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 10:39:24,984 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 10:39:24,984 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-11-20 10:39:24,984 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-11-20 10:39:26,190 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:39:26,195 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:39:26,322 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 10:40:13,400 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:40:13,433 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:40:13,436 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-20 10:40:13,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:40:13 BoogieIcfgContainer [2022-11-20 10:40:13,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:40:13,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:40:13,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:40:13,448 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:40:13,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:39:15" (1/3) ... [2022-11-20 10:40:13,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@265ecb8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:40:13, skipping insertion in model container [2022-11-20 10:40:13,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:23" (2/3) ... [2022-11-20 10:40:13,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@265ecb8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:40:13, skipping insertion in model container [2022-11-20 10:40:13,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:40:13" (3/3) ... [2022-11-20 10:40:13,454 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2022-11-20 10:40:13,475 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:40:13,476 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-20 10:40:13,592 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:40:13,598 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;@549c0678, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:40:13,598 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-20 10:40:13,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 3016 states, 1949 states have (on average 1.254489481785531) internal successors, (2445), 2037 states have internal predecessors, (2445), 847 states have call successors, (847), 193 states have call predecessors, (847), 192 states have return successors, (840), 824 states have call predecessors, (840), 840 states have call successors, (840) [2022-11-20 10:40:13,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-20 10:40:13,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:13,630 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:13,631 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:40:13,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:13,637 INFO L85 PathProgramCache]: Analyzing trace with hash -790661938, now seen corresponding path program 1 times [2022-11-20 10:40:13,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:40:13,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [972255858] [2022-11-20 10:40:13,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:13,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:13,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:40:13,666 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:40:13,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 10:40:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:16,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 2578 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:40:16,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:40:17,091 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:40:17,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:40:17,092 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:40:17,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [972255858] [2022-11-20 10:40:17,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [972255858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:40:17,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:40:17,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:40:17,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306086614] [2022-11-20 10:40:17,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:40:17,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:40:17,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:40:17,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:40:17,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:40:17,149 INFO L87 Difference]: Start difference. First operand has 3016 states, 1949 states have (on average 1.254489481785531) internal successors, (2445), 2037 states have internal predecessors, (2445), 847 states have call successors, (847), 193 states have call predecessors, (847), 192 states have return successors, (840), 824 states have call predecessors, (840), 840 states have call successors, (840) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-20 10:40:17,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:17,843 INFO L93 Difference]: Finished difference Result 8874 states and 12614 transitions. [2022-11-20 10:40:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:40:17,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 64 [2022-11-20 10:40:17,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:17,901 INFO L225 Difference]: With dead ends: 8874 [2022-11-20 10:40:17,902 INFO L226 Difference]: Without dead ends: 5856 [2022-11-20 10:40:17,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:40:17,940 INFO L413 NwaCegarLoop]: 4875 mSDtfsCounter, 3927 mSDsluCounter, 8849 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3929 SdHoareTripleChecker+Valid, 13724 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:17,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3929 Valid, 13724 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:40:17,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5856 states. [2022-11-20 10:40:18,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5856 to 5655. [2022-11-20 10:40:18,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5655 states, 3660 states have (on average 1.2265027322404372) internal successors, (4489), 3788 states have internal predecessors, (4489), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2022-11-20 10:40:18,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5655 states to 5655 states and 7699 transitions. [2022-11-20 10:40:18,550 INFO L78 Accepts]: Start accepts. Automaton has 5655 states and 7699 transitions. Word has length 64 [2022-11-20 10:40:18,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:18,552 INFO L495 AbstractCegarLoop]: Abstraction has 5655 states and 7699 transitions. [2022-11-20 10:40:18,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-20 10:40:18,552 INFO L276 IsEmpty]: Start isEmpty. Operand 5655 states and 7699 transitions. [2022-11-20 10:40:18,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 10:40:18,564 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:18,565 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:18,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:40:18,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:18,791 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:40:18,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:18,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1212688389, now seen corresponding path program 1 times [2022-11-20 10:40:18,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:40:18,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935301168] [2022-11-20 10:40:18,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:18,797 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:18,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:40:18,799 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:40:18,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 10:40:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:21,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 2587 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:40:21,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:40:22,194 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:40:22,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:40:22,195 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:40:22,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935301168] [2022-11-20 10:40:22,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [935301168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:40:22,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:40:22,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:40:22,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169578720] [2022-11-20 10:40:22,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:40:22,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:40:22,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:40:22,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:40:22,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:40:22,199 INFO L87 Difference]: Start difference. First operand 5655 states and 7699 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-20 10:40:22,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:22,594 INFO L93 Difference]: Finished difference Result 5655 states and 7699 transitions. [2022-11-20 10:40:22,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:40:22,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 70 [2022-11-20 10:40:22,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:22,640 INFO L225 Difference]: With dead ends: 5655 [2022-11-20 10:40:22,640 INFO L226 Difference]: Without dead ends: 5653 [2022-11-20 10:40:22,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:40:22,646 INFO L413 NwaCegarLoop]: 3977 mSDtfsCounter, 3924 mSDsluCounter, 3975 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3926 SdHoareTripleChecker+Valid, 7952 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:22,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3926 Valid, 7952 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:40:22,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5653 states. [2022-11-20 10:40:23,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5653 to 5653. [2022-11-20 10:40:23,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5653 states, 3659 states have (on average 1.2262913364307189) internal successors, (4487), 3786 states have internal predecessors, (4487), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2022-11-20 10:40:23,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5653 states to 5653 states and 7697 transitions. [2022-11-20 10:40:23,097 INFO L78 Accepts]: Start accepts. Automaton has 5653 states and 7697 transitions. Word has length 70 [2022-11-20 10:40:23,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:23,098 INFO L495 AbstractCegarLoop]: Abstraction has 5653 states and 7697 transitions. [2022-11-20 10:40:23,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-20 10:40:23,099 INFO L276 IsEmpty]: Start isEmpty. Operand 5653 states and 7697 transitions. [2022-11-20 10:40:23,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-20 10:40:23,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:23,101 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:23,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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)] Ended with exit code 0 [2022-11-20 10:40:23,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:23,322 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:40:23,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:23,323 INFO L85 PathProgramCache]: Analyzing trace with hash 154525204, now seen corresponding path program 1 times [2022-11-20 10:40:23,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:40:23,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1397080425] [2022-11-20 10:40:23,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:23,328 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:23,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:40:23,335 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:40:23,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 10:40:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:25,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 2596 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:40:25,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:40:26,601 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:40:26,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:40:26,601 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:40:26,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1397080425] [2022-11-20 10:40:26,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1397080425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:40:26,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:40:26,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:40:26,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261807878] [2022-11-20 10:40:26,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:40:26,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:40:26,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:40:26,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:40:26,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:40:26,605 INFO L87 Difference]: Start difference. First operand 5653 states and 7697 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-20 10:40:27,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:27,123 INFO L93 Difference]: Finished difference Result 5653 states and 7697 transitions. [2022-11-20 10:40:27,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:40:27,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 76 [2022-11-20 10:40:27,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:27,161 INFO L225 Difference]: With dead ends: 5653 [2022-11-20 10:40:27,161 INFO L226 Difference]: Without dead ends: 5651 [2022-11-20 10:40:27,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:40:27,170 INFO L413 NwaCegarLoop]: 3975 mSDtfsCounter, 3916 mSDsluCounter, 3973 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3918 SdHoareTripleChecker+Valid, 7948 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:27,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3918 Valid, 7948 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:40:27,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5651 states. [2022-11-20 10:40:27,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5651 to 5651. [2022-11-20 10:40:27,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5651 states, 3658 states have (on average 1.226079825041006) internal successors, (4485), 3784 states have internal predecessors, (4485), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2022-11-20 10:40:27,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5651 states to 5651 states and 7695 transitions. [2022-11-20 10:40:27,666 INFO L78 Accepts]: Start accepts. Automaton has 5651 states and 7695 transitions. Word has length 76 [2022-11-20 10:40:27,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:27,666 INFO L495 AbstractCegarLoop]: Abstraction has 5651 states and 7695 transitions. [2022-11-20 10:40:27,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-20 10:40:27,667 INFO L276 IsEmpty]: Start isEmpty. Operand 5651 states and 7695 transitions. [2022-11-20 10:40:27,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 10:40:27,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:27,669 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:27,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:40:27,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:27,895 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:40:27,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:27,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1734770631, now seen corresponding path program 1 times [2022-11-20 10:40:27,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:40:27,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241135594] [2022-11-20 10:40:27,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:27,900 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:27,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:40:27,901 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:40:27,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 10:40:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:30,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 2605 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:40:30,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:40:30,883 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:40:30,883 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:40:30,883 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:40:30,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [241135594] [2022-11-20 10:40:30,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [241135594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:40:30,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:40:30,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:40:30,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823024193] [2022-11-20 10:40:30,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:40:30,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:40:30,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:40:30,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:40:30,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:40:30,886 INFO L87 Difference]: Start difference. First operand 5651 states and 7695 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-20 10:40:31,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:31,404 INFO L93 Difference]: Finished difference Result 5651 states and 7695 transitions. [2022-11-20 10:40:31,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:40:31,405 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2022-11-20 10:40:31,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:31,443 INFO L225 Difference]: With dead ends: 5651 [2022-11-20 10:40:31,443 INFO L226 Difference]: Without dead ends: 5649 [2022-11-20 10:40:31,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:40:31,449 INFO L413 NwaCegarLoop]: 3973 mSDtfsCounter, 3908 mSDsluCounter, 3971 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3910 SdHoareTripleChecker+Valid, 7944 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:31,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3910 Valid, 7944 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:40:31,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5649 states. [2022-11-20 10:40:31,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5649 to 5649. [2022-11-20 10:40:31,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5649 states, 3657 states have (on average 1.2258681979764834) internal successors, (4483), 3782 states have internal predecessors, (4483), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2022-11-20 10:40:31,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5649 states to 5649 states and 7693 transitions. [2022-11-20 10:40:31,977 INFO L78 Accepts]: Start accepts. Automaton has 5649 states and 7693 transitions. Word has length 82 [2022-11-20 10:40:31,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:31,977 INFO L495 AbstractCegarLoop]: Abstraction has 5649 states and 7693 transitions. [2022-11-20 10:40:31,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-20 10:40:31,978 INFO L276 IsEmpty]: Start isEmpty. Operand 5649 states and 7693 transitions. [2022-11-20 10:40:31,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 10:40:31,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:31,980 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:32,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:40:32,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:32,195 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:40:32,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:32,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1369123194, now seen corresponding path program 1 times [2022-11-20 10:40:32,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:40:32,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1021401300] [2022-11-20 10:40:32,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:32,200 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:32,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:40:32,201 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:40:32,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 10:40:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:34,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 2614 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:40:34,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:40:35,599 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:40:35,599 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:40:35,599 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:40:35,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1021401300] [2022-11-20 10:40:35,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1021401300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:40:35,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:40:35,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:40:35,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151539679] [2022-11-20 10:40:35,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:40:35,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:40:35,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:40:35,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:40:35,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:40:35,602 INFO L87 Difference]: Start difference. First operand 5649 states and 7693 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-20 10:40:36,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:36,153 INFO L93 Difference]: Finished difference Result 5649 states and 7693 transitions. [2022-11-20 10:40:36,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:40:36,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 88 [2022-11-20 10:40:36,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:36,199 INFO L225 Difference]: With dead ends: 5649 [2022-11-20 10:40:36,200 INFO L226 Difference]: Without dead ends: 5647 [2022-11-20 10:40:36,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:40:36,205 INFO L413 NwaCegarLoop]: 3971 mSDtfsCounter, 3900 mSDsluCounter, 3969 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3902 SdHoareTripleChecker+Valid, 7940 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:36,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3902 Valid, 7940 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:40:36,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5647 states. [2022-11-20 10:40:36,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5647 to 5647. [2022-11-20 10:40:36,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5647 states, 3656 states have (on average 1.225656455142232) internal successors, (4481), 3780 states have internal predecessors, (4481), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2022-11-20 10:40:36,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5647 states to 5647 states and 7691 transitions. [2022-11-20 10:40:36,760 INFO L78 Accepts]: Start accepts. Automaton has 5647 states and 7691 transitions. Word has length 88 [2022-11-20 10:40:36,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:36,762 INFO L495 AbstractCegarLoop]: Abstraction has 5647 states and 7691 transitions. [2022-11-20 10:40:36,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-20 10:40:36,762 INFO L276 IsEmpty]: Start isEmpty. Operand 5647 states and 7691 transitions. [2022-11-20 10:40:36,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-20 10:40:36,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:36,771 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:36,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:40:36,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:36,995 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:40:36,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:36,995 INFO L85 PathProgramCache]: Analyzing trace with hash 900433423, now seen corresponding path program 1 times [2022-11-20 10:40:37,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:40:37,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1106736089] [2022-11-20 10:40:37,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:37,000 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:37,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:40:37,003 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:40:37,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 10:40:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:39,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 2845 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-20 10:40:39,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:40:40,295 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 95 proven. 3 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-20 10:40:40,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:40:41,219 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-20 10:40:41,219 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:40:41,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1106736089] [2022-11-20 10:40:41,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1106736089] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:40:41,220 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:40:41,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-11-20 10:40:41,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511435201] [2022-11-20 10:40:41,220 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:40:41,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 10:40:41,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:40:41,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 10:40:41,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:40:41,222 INFO L87 Difference]: Start difference. First operand 5647 states and 7691 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 10:40:44,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:44,590 INFO L93 Difference]: Finished difference Result 11696 states and 15980 transitions. [2022-11-20 10:40:44,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:40:44,592 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) Word has length 113 [2022-11-20 10:40:44,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:44,623 INFO L225 Difference]: With dead ends: 11696 [2022-11-20 10:40:44,624 INFO L226 Difference]: Without dead ends: 6066 [2022-11-20 10:40:44,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:40:44,649 INFO L413 NwaCegarLoop]: 4288 mSDtfsCounter, 766 mSDsluCounter, 24583 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1046 SdHoareTripleChecker+Valid, 28871 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:44,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1046 Valid, 28871 Invalid, 399 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-20 10:40:44,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6066 states. [2022-11-20 10:40:45,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6066 to 5647. [2022-11-20 10:40:45,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5647 states, 3656 states have (on average 1.225382932166302) internal successors, (4480), 3779 states have internal predecessors, (4480), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2022-11-20 10:40:45,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5647 states to 5647 states and 7690 transitions. [2022-11-20 10:40:45,291 INFO L78 Accepts]: Start accepts. Automaton has 5647 states and 7690 transitions. Word has length 113 [2022-11-20 10:40:45,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:45,292 INFO L495 AbstractCegarLoop]: Abstraction has 5647 states and 7690 transitions. [2022-11-20 10:40:45,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 10:40:45,292 INFO L276 IsEmpty]: Start isEmpty. Operand 5647 states and 7690 transitions. [2022-11-20 10:40:45,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 10:40:45,294 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:45,294 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:45,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:40:45,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:45,519 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:40:45,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:45,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1127239591, now seen corresponding path program 1 times [2022-11-20 10:40:45,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:40:45,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1869427080] [2022-11-20 10:40:45,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:45,523 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:45,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:40:45,525 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:40:45,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 10:40:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:47,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 2623 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:40:47,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:40:48,553 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:40:48,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:40:48,554 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:40:48,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1869427080] [2022-11-20 10:40:48,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1869427080] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:40:48,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:40:48,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:40:48,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16673790] [2022-11-20 10:40:48,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:40:48,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:40:48,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:40:48,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:40:48,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:40:48,556 INFO L87 Difference]: Start difference. First operand 5647 states and 7690 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-20 10:40:49,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:49,098 INFO L93 Difference]: Finished difference Result 5647 states and 7690 transitions. [2022-11-20 10:40:49,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:40:49,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 94 [2022-11-20 10:40:49,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:49,120 INFO L225 Difference]: With dead ends: 5647 [2022-11-20 10:40:49,120 INFO L226 Difference]: Without dead ends: 5645 [2022-11-20 10:40:49,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:40:49,123 INFO L413 NwaCegarLoop]: 3968 mSDtfsCounter, 3891 mSDsluCounter, 3966 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3893 SdHoareTripleChecker+Valid, 7934 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:49,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3893 Valid, 7934 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:40:49,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5645 states. [2022-11-20 10:40:49,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5645 to 5645. [2022-11-20 10:40:49,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5645 states, 3655 states have (on average 1.225170998632011) internal successors, (4478), 3777 states have internal predecessors, (4478), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2022-11-20 10:40:49,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5645 states to 5645 states and 7688 transitions. [2022-11-20 10:40:49,709 INFO L78 Accepts]: Start accepts. Automaton has 5645 states and 7688 transitions. Word has length 94 [2022-11-20 10:40:49,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:49,709 INFO L495 AbstractCegarLoop]: Abstraction has 5645 states and 7688 transitions. [2022-11-20 10:40:49,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-20 10:40:49,710 INFO L276 IsEmpty]: Start isEmpty. Operand 5645 states and 7688 transitions. [2022-11-20 10:40:49,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-20 10:40:49,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:49,712 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:49,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:40:49,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:49,935 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:40:49,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:49,935 INFO L85 PathProgramCache]: Analyzing trace with hash -840528750, now seen corresponding path program 1 times [2022-11-20 10:40:49,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:40:49,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2142292692] [2022-11-20 10:40:49,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:49,938 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:49,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:40:49,939 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:40:49,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 10:40:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:52,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 2857 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:40:52,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:40:52,842 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-20 10:40:52,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:40:52,842 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:40:52,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2142292692] [2022-11-20 10:40:52,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2142292692] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:40:52,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:40:52,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:40:52,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730151986] [2022-11-20 10:40:52,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:40:52,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:40:52,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:40:52,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:40:52,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:40:52,845 INFO L87 Difference]: Start difference. First operand 5645 states and 7688 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 10:40:53,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:53,805 INFO L93 Difference]: Finished difference Result 14585 states and 19819 transitions. [2022-11-20 10:40:53,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:40:53,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 117 [2022-11-20 10:40:53,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:53,919 INFO L225 Difference]: With dead ends: 14585 [2022-11-20 10:40:53,920 INFO L226 Difference]: Without dead ends: 8961 [2022-11-20 10:40:53,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:40:53,942 INFO L413 NwaCegarLoop]: 5013 mSDtfsCounter, 3948 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3948 SdHoareTripleChecker+Valid, 7264 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:53,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3948 Valid, 7264 Invalid, 5 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 10:40:53,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8961 states. [2022-11-20 10:40:55,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8961 to 8947. [2022-11-20 10:40:55,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8947 states, 5810 states have (on average 1.2237521514629948) internal successors, (7110), 5990 states have internal predecessors, (7110), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2022-11-20 10:40:55,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8947 states to 8947 states and 12144 transitions. [2022-11-20 10:40:55,084 INFO L78 Accepts]: Start accepts. Automaton has 8947 states and 12144 transitions. Word has length 117 [2022-11-20 10:40:55,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:55,085 INFO L495 AbstractCegarLoop]: Abstraction has 8947 states and 12144 transitions. [2022-11-20 10:40:55,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 10:40:55,085 INFO L276 IsEmpty]: Start isEmpty. Operand 8947 states and 12144 transitions. [2022-11-20 10:40:55,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-20 10:40:55,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:55,087 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:55,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 10:40:55,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:55,310 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:40:55,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:55,310 INFO L85 PathProgramCache]: Analyzing trace with hash 926302846, now seen corresponding path program 1 times [2022-11-20 10:40:55,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:40:55,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [170484496] [2022-11-20 10:40:55,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:55,315 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:55,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:40:55,317 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:40:55,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 10:40:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:57,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 2632 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:40:57,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:40:58,600 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:40:58,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:40:58,601 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:40:58,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [170484496] [2022-11-20 10:40:58,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [170484496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:40:58,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:40:58,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:40:58,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193711377] [2022-11-20 10:40:58,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:40:58,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:40:58,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:40:58,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:40:58,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:40:58,603 INFO L87 Difference]: Start difference. First operand 8947 states and 12144 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 10:40:59,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:59,404 INFO L93 Difference]: Finished difference Result 8947 states and 12144 transitions. [2022-11-20 10:40:59,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:40:59,405 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 100 [2022-11-20 10:40:59,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:59,440 INFO L225 Difference]: With dead ends: 8947 [2022-11-20 10:40:59,440 INFO L226 Difference]: Without dead ends: 8945 [2022-11-20 10:40:59,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:40:59,446 INFO L413 NwaCegarLoop]: 3966 mSDtfsCounter, 3883 mSDsluCounter, 3964 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3885 SdHoareTripleChecker+Valid, 7930 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:59,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3885 Valid, 7930 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:40:59,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8945 states. [2022-11-20 10:41:00,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8945 to 8945. [2022-11-20 10:41:00,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8945 states, 5809 states have (on average 1.2236185229815804) internal successors, (7108), 5988 states have internal predecessors, (7108), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2022-11-20 10:41:00,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8945 states to 8945 states and 12142 transitions. [2022-11-20 10:41:00,357 INFO L78 Accepts]: Start accepts. Automaton has 8945 states and 12142 transitions. Word has length 100 [2022-11-20 10:41:00,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:00,358 INFO L495 AbstractCegarLoop]: Abstraction has 8945 states and 12142 transitions. [2022-11-20 10:41:00,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 10:41:00,358 INFO L276 IsEmpty]: Start isEmpty. Operand 8945 states and 12142 transitions. [2022-11-20 10:41:00,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-20 10:41:00,360 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:00,361 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:41:00,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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)] Forceful destruction successful, exit code 0 [2022-11-20 10:41:00,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:00,575 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:41:00,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:00,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1037920198, now seen corresponding path program 1 times [2022-11-20 10:41:00,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:00,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1956772040] [2022-11-20 10:41:00,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:00,579 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:00,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:00,586 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:41:00,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-20 10:41:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:41:03,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 2870 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:41:03,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-20 10:41:03,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:41:03,803 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:03,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1956772040] [2022-11-20 10:41:03,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1956772040] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:41:03,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:41:03,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:41:03,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553082845] [2022-11-20 10:41:03,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:41:03,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:41:03,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:03,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:41:03,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:41:03,807 INFO L87 Difference]: Start difference. First operand 8945 states and 12142 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-20 10:41:04,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:04,960 INFO L93 Difference]: Finished difference Result 17863 states and 24251 transitions. [2022-11-20 10:41:04,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:41:04,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 126 [2022-11-20 10:41:04,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:05,006 INFO L225 Difference]: With dead ends: 17863 [2022-11-20 10:41:05,006 INFO L226 Difference]: Without dead ends: 8939 [2022-11-20 10:41:05,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:41:05,116 INFO L413 NwaCegarLoop]: 3962 mSDtfsCounter, 3940 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3940 SdHoareTripleChecker+Valid, 3962 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:05,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3940 Valid, 3962 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 10:41:05,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8939 states. [2022-11-20 10:41:06,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8939 to 8939. [2022-11-20 10:41:06,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8939 states, 5804 states have (on average 1.2231219848380428) internal successors, (7099), 5982 states have internal predecessors, (7099), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2022-11-20 10:41:06,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8939 states to 8939 states and 12133 transitions. [2022-11-20 10:41:06,270 INFO L78 Accepts]: Start accepts. Automaton has 8939 states and 12133 transitions. Word has length 126 [2022-11-20 10:41:06,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:06,271 INFO L495 AbstractCegarLoop]: Abstraction has 8939 states and 12133 transitions. [2022-11-20 10:41:06,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-20 10:41:06,271 INFO L276 IsEmpty]: Start isEmpty. Operand 8939 states and 12133 transitions. [2022-11-20 10:41:06,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-20 10:41:06,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:06,273 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:41:06,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-20 10:41:06,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:06,479 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:41:06,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:06,480 INFO L85 PathProgramCache]: Analyzing trace with hash -305008745, now seen corresponding path program 1 times [2022-11-20 10:41:06,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:06,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062870435] [2022-11-20 10:41:06,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:06,483 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:06,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:06,483 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:41:06,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-20 10:41:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:41:08,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 2641 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:41:08,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:09,515 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:41:09,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:41:09,516 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:09,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062870435] [2022-11-20 10:41:09,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1062870435] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:41:09,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:41:09,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:41:09,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040287544] [2022-11-20 10:41:09,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:41:09,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:41:09,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:09,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:41:09,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:41:09,518 INFO L87 Difference]: Start difference. First operand 8939 states and 12133 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-20 10:41:10,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:10,364 INFO L93 Difference]: Finished difference Result 8939 states and 12133 transitions. [2022-11-20 10:41:10,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:41:10,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 106 [2022-11-20 10:41:10,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:10,397 INFO L225 Difference]: With dead ends: 8939 [2022-11-20 10:41:10,397 INFO L226 Difference]: Without dead ends: 8937 [2022-11-20 10:41:10,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:41:10,402 INFO L413 NwaCegarLoop]: 3959 mSDtfsCounter, 3874 mSDsluCounter, 3953 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3876 SdHoareTripleChecker+Valid, 7912 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:10,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3876 Valid, 7912 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:41:10,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8937 states. [2022-11-20 10:41:11,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8937 to 8937. [2022-11-20 10:41:11,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8937 states, 5803 states have (on average 1.2229881095984836) internal successors, (7097), 5980 states have internal predecessors, (7097), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2022-11-20 10:41:11,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8937 states to 8937 states and 12131 transitions. [2022-11-20 10:41:11,434 INFO L78 Accepts]: Start accepts. Automaton has 8937 states and 12131 transitions. Word has length 106 [2022-11-20 10:41:11,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:11,435 INFO L495 AbstractCegarLoop]: Abstraction has 8937 states and 12131 transitions. [2022-11-20 10:41:11,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-20 10:41:11,435 INFO L276 IsEmpty]: Start isEmpty. Operand 8937 states and 12131 transitions. [2022-11-20 10:41:11,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-20 10:41:11,437 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:11,437 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:41:11,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-20 10:41:11,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:11,639 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:41:11,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:11,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1055455334, now seen corresponding path program 1 times [2022-11-20 10:41:11,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:11,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [402279512] [2022-11-20 10:41:11,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:11,642 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:11,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:11,643 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:41:11,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-20 10:41:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:41:13,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 2644 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:41:13,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:41:14,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:41:14,667 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:14,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [402279512] [2022-11-20 10:41:14,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [402279512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:41:14,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:41:14,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:41:14,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613895346] [2022-11-20 10:41:14,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:41:14,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:41:14,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:14,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:41:14,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:41:14,669 INFO L87 Difference]: Start difference. First operand 8937 states and 12131 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-20 10:41:15,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:15,836 INFO L93 Difference]: Finished difference Result 8937 states and 12131 transitions. [2022-11-20 10:41:15,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:41:15,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 108 [2022-11-20 10:41:15,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:15,873 INFO L225 Difference]: With dead ends: 8937 [2022-11-20 10:41:15,873 INFO L226 Difference]: Without dead ends: 8935 [2022-11-20 10:41:15,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:41:15,881 INFO L413 NwaCegarLoop]: 3957 mSDtfsCounter, 3866 mSDsluCounter, 3955 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3868 SdHoareTripleChecker+Valid, 7912 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:15,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3868 Valid, 7912 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:41:15,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8935 states. [2022-11-20 10:41:17,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8935 to 8935. [2022-11-20 10:41:17,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8935 states, 5802 states have (on average 1.2228541882109618) internal successors, (7095), 5978 states have internal predecessors, (7095), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2022-11-20 10:41:17,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8935 states to 8935 states and 12129 transitions. [2022-11-20 10:41:17,076 INFO L78 Accepts]: Start accepts. Automaton has 8935 states and 12129 transitions. Word has length 108 [2022-11-20 10:41:17,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:17,076 INFO L495 AbstractCegarLoop]: Abstraction has 8935 states and 12129 transitions. [2022-11-20 10:41:17,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-20 10:41:17,076 INFO L276 IsEmpty]: Start isEmpty. Operand 8935 states and 12129 transitions. [2022-11-20 10:41:17,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-20 10:41:17,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:17,078 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:41:17,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-20 10:41:17,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:17,293 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:41:17,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:17,293 INFO L85 PathProgramCache]: Analyzing trace with hash -929958167, now seen corresponding path program 1 times [2022-11-20 10:41:17,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:17,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369630918] [2022-11-20 10:41:17,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:17,296 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:17,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:17,297 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:41:17,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-20 10:41:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:41:19,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 2653 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:41:19,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:41:20,305 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:41:20,306 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:20,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1369630918] [2022-11-20 10:41:20,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1369630918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:41:20,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:41:20,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:41:20,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783160808] [2022-11-20 10:41:20,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:41:20,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:41:20,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:20,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:41:20,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:41:20,308 INFO L87 Difference]: Start difference. First operand 8935 states and 12129 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-20 10:41:21,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:21,172 INFO L93 Difference]: Finished difference Result 8935 states and 12129 transitions. [2022-11-20 10:41:21,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:41:21,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 114 [2022-11-20 10:41:21,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:21,196 INFO L225 Difference]: With dead ends: 8935 [2022-11-20 10:41:21,197 INFO L226 Difference]: Without dead ends: 8933 [2022-11-20 10:41:21,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:41:21,202 INFO L413 NwaCegarLoop]: 3955 mSDtfsCounter, 3858 mSDsluCounter, 3953 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3860 SdHoareTripleChecker+Valid, 7908 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:21,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3860 Valid, 7908 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:41:21,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8933 states. [2022-11-20 10:41:22,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8933 to 8933. [2022-11-20 10:41:22,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8933 states, 5801 states have (on average 1.222720220651612) internal successors, (7093), 5976 states have internal predecessors, (7093), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2022-11-20 10:41:22,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8933 states to 8933 states and 12127 transitions. [2022-11-20 10:41:22,338 INFO L78 Accepts]: Start accepts. Automaton has 8933 states and 12127 transitions. Word has length 114 [2022-11-20 10:41:22,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:22,339 INFO L495 AbstractCegarLoop]: Abstraction has 8933 states and 12127 transitions. [2022-11-20 10:41:22,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-20 10:41:22,339 INFO L276 IsEmpty]: Start isEmpty. Operand 8933 states and 12127 transitions. [2022-11-20 10:41:22,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-20 10:41:22,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:22,342 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:41:22,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-20 10:41:22,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:22,567 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:41:22,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:22,567 INFO L85 PathProgramCache]: Analyzing trace with hash -110265432, now seen corresponding path program 1 times [2022-11-20 10:41:22,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:22,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2061611102] [2022-11-20 10:41:22,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:22,570 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:22,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:22,572 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:41:22,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-20 10:41:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:41:24,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 2662 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:41:24,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:25,694 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:41:25,694 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:41:25,694 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:25,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2061611102] [2022-11-20 10:41:25,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2061611102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:41:25,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:41:25,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:41:25,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160596719] [2022-11-20 10:41:25,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:41:25,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:41:25,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:25,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:41:25,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:41:25,697 INFO L87 Difference]: Start difference. First operand 8933 states and 12127 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-20 10:41:27,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:27,117 INFO L93 Difference]: Finished difference Result 8933 states and 12127 transitions. [2022-11-20 10:41:27,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:41:27,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 120 [2022-11-20 10:41:27,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:27,147 INFO L225 Difference]: With dead ends: 8933 [2022-11-20 10:41:27,147 INFO L226 Difference]: Without dead ends: 8931 [2022-11-20 10:41:27,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:41:27,153 INFO L413 NwaCegarLoop]: 3953 mSDtfsCounter, 3850 mSDsluCounter, 3951 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3852 SdHoareTripleChecker+Valid, 7904 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:27,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3852 Valid, 7904 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:41:27,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8931 states. [2022-11-20 10:41:28,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8931 to 8931. [2022-11-20 10:41:28,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8931 states, 5800 states have (on average 1.2225862068965516) internal successors, (7091), 5974 states have internal predecessors, (7091), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2022-11-20 10:41:28,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8931 states to 8931 states and 12125 transitions. [2022-11-20 10:41:28,381 INFO L78 Accepts]: Start accepts. Automaton has 8931 states and 12125 transitions. Word has length 120 [2022-11-20 10:41:28,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:28,381 INFO L495 AbstractCegarLoop]: Abstraction has 8931 states and 12125 transitions. [2022-11-20 10:41:28,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-20 10:41:28,382 INFO L276 IsEmpty]: Start isEmpty. Operand 8931 states and 12125 transitions. [2022-11-20 10:41:28,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-20 10:41:28,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:28,384 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:41:28,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-20 10:41:28,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:28,607 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:41:28,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:28,607 INFO L85 PathProgramCache]: Analyzing trace with hash -946878633, now seen corresponding path program 1 times [2022-11-20 10:41:28,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:28,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1494767836] [2022-11-20 10:41:28,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:28,610 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:28,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:28,611 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:41:28,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-20 10:41:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:41:30,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 2671 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:41:30,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:31,799 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:41:31,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:41:31,800 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:31,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1494767836] [2022-11-20 10:41:31,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1494767836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:41:31,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:41:31,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:41:31,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737886524] [2022-11-20 10:41:31,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:41:31,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:41:31,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:31,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:41:31,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:41:31,802 INFO L87 Difference]: Start difference. First operand 8931 states and 12125 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-20 10:41:32,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:32,778 INFO L93 Difference]: Finished difference Result 8931 states and 12125 transitions. [2022-11-20 10:41:32,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:41:32,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 126 [2022-11-20 10:41:32,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:32,798 INFO L225 Difference]: With dead ends: 8931 [2022-11-20 10:41:32,798 INFO L226 Difference]: Without dead ends: 8929 [2022-11-20 10:41:32,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:41:32,802 INFO L413 NwaCegarLoop]: 3951 mSDtfsCounter, 3842 mSDsluCounter, 3949 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3844 SdHoareTripleChecker+Valid, 7900 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:32,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3844 Valid, 7900 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:41:32,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8929 states. [2022-11-20 10:41:34,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8929 to 8929. [2022-11-20 10:41:34,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8929 states, 5799 states have (on average 1.222452146921883) internal successors, (7089), 5972 states have internal predecessors, (7089), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2022-11-20 10:41:34,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8929 states to 8929 states and 12123 transitions. [2022-11-20 10:41:34,078 INFO L78 Accepts]: Start accepts. Automaton has 8929 states and 12123 transitions. Word has length 126 [2022-11-20 10:41:34,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:34,078 INFO L495 AbstractCegarLoop]: Abstraction has 8929 states and 12123 transitions. [2022-11-20 10:41:34,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-20 10:41:34,079 INFO L276 IsEmpty]: Start isEmpty. Operand 8929 states and 12123 transitions. [2022-11-20 10:41:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-20 10:41:34,081 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:34,082 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:41:34,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-20 10:41:34,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:34,282 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:41:34,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:34,283 INFO L85 PathProgramCache]: Analyzing trace with hash -283946579, now seen corresponding path program 1 times [2022-11-20 10:41:34,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:34,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661029953] [2022-11-20 10:41:34,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:34,286 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:34,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:34,286 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:41:34,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-20 10:41:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:41:36,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 2841 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-20 10:41:36,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:37,779 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-20 10:41:37,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:41:38,899 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-20 10:41:38,899 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:38,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661029953] [2022-11-20 10:41:38,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1661029953] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:41:38,900 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:41:38,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 20 [2022-11-20 10:41:38,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774973881] [2022-11-20 10:41:38,900 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:41:38,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-20 10:41:38,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:38,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-20 10:41:38,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2022-11-20 10:41:38,902 INFO L87 Difference]: Start difference. First operand 8929 states and 12123 transitions. Second operand has 20 states, 19 states have (on average 4.947368421052632) internal successors, (94), 18 states have internal predecessors, (94), 7 states have call successors, (39), 2 states have call predecessors, (39), 5 states have return successors, (35), 8 states have call predecessors, (35), 7 states have call successors, (35) [2022-11-20 10:41:45,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:45,721 INFO L93 Difference]: Finished difference Result 12540 states and 16865 transitions. [2022-11-20 10:41:45,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-20 10:41:45,722 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 4.947368421052632) internal successors, (94), 18 states have internal predecessors, (94), 7 states have call successors, (39), 2 states have call predecessors, (39), 5 states have return successors, (35), 8 states have call predecessors, (35), 7 states have call successors, (35) Word has length 156 [2022-11-20 10:41:45,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:45,756 INFO L225 Difference]: With dead ends: 12540 [2022-11-20 10:41:45,756 INFO L226 Difference]: Without dead ends: 8967 [2022-11-20 10:41:45,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=161, Invalid=769, Unknown=0, NotChecked=0, Total=930 [2022-11-20 10:41:45,777 INFO L413 NwaCegarLoop]: 3927 mSDtfsCounter, 94 mSDsluCounter, 62486 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 66413 SdHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:45,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 66413 Invalid, 1187 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [232 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-20 10:41:45,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8967 states. [2022-11-20 10:41:46,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8967 to 8943. [2022-11-20 10:41:46,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8943 states, 5809 states have (on average 1.2220692029609228) internal successors, (7099), 5982 states have internal predecessors, (7099), 2521 states have call successors, (2521), 599 states have call predecessors, (2521), 595 states have return successors, (2521), 2477 states have call predecessors, (2521), 2519 states have call successors, (2521) [2022-11-20 10:41:47,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8943 states to 8943 states and 12141 transitions. [2022-11-20 10:41:47,024 INFO L78 Accepts]: Start accepts. Automaton has 8943 states and 12141 transitions. Word has length 156 [2022-11-20 10:41:47,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:47,024 INFO L495 AbstractCegarLoop]: Abstraction has 8943 states and 12141 transitions. [2022-11-20 10:41:47,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 4.947368421052632) internal successors, (94), 18 states have internal predecessors, (94), 7 states have call successors, (39), 2 states have call predecessors, (39), 5 states have return successors, (35), 8 states have call predecessors, (35), 7 states have call successors, (35) [2022-11-20 10:41:47,025 INFO L276 IsEmpty]: Start isEmpty. Operand 8943 states and 12141 transitions. [2022-11-20 10:41:47,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-20 10:41:47,026 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:47,027 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:41:47,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-20 10:41:47,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:47,236 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:41:47,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:47,236 INFO L85 PathProgramCache]: Analyzing trace with hash -496174966, now seen corresponding path program 1 times [2022-11-20 10:41:47,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:47,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915874783] [2022-11-20 10:41:47,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:47,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:47,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:47,241 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:41:47,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-20 10:41:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:41:49,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 2680 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:41:49,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:50,359 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:41:50,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:41:50,359 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:50,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [915874783] [2022-11-20 10:41:50,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [915874783] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:41:50,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:41:50,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:41:50,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937046969] [2022-11-20 10:41:50,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:41:50,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:41:50,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:50,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:41:50,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:41:50,362 INFO L87 Difference]: Start difference. First operand 8943 states and 12141 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-20 10:41:51,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:51,386 INFO L93 Difference]: Finished difference Result 8943 states and 12141 transitions. [2022-11-20 10:41:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:41:51,387 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 132 [2022-11-20 10:41:51,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:51,418 INFO L225 Difference]: With dead ends: 8943 [2022-11-20 10:41:51,418 INFO L226 Difference]: Without dead ends: 8941 [2022-11-20 10:41:51,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:41:51,425 INFO L413 NwaCegarLoop]: 3949 mSDtfsCounter, 3834 mSDsluCounter, 3947 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3836 SdHoareTripleChecker+Valid, 7896 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:51,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3836 Valid, 7896 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:41:51,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8941 states. [2022-11-20 10:41:52,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8941 to 8941. [2022-11-20 10:41:52,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8941 states, 5808 states have (on average 1.221935261707989) internal successors, (7097), 5980 states have internal predecessors, (7097), 2521 states have call successors, (2521), 599 states have call predecessors, (2521), 595 states have return successors, (2521), 2477 states have call predecessors, (2521), 2519 states have call successors, (2521) [2022-11-20 10:41:52,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8941 states to 8941 states and 12139 transitions. [2022-11-20 10:41:52,734 INFO L78 Accepts]: Start accepts. Automaton has 8941 states and 12139 transitions. Word has length 132 [2022-11-20 10:41:52,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:52,735 INFO L495 AbstractCegarLoop]: Abstraction has 8941 states and 12139 transitions. [2022-11-20 10:41:52,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-20 10:41:52,735 INFO L276 IsEmpty]: Start isEmpty. Operand 8941 states and 12139 transitions. [2022-11-20 10:41:52,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-20 10:41:52,737 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:52,738 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:41:52,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-20 10:41:52,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:52,943 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:41:52,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:52,943 INFO L85 PathProgramCache]: Analyzing trace with hash -655319422, now seen corresponding path program 1 times [2022-11-20 10:41:52,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:52,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290745495] [2022-11-20 10:41:52,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:52,946 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:52,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:52,947 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:41:52,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (19)] Waiting until timeout for monitored process [2022-11-20 10:41:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:41:55,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 2689 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:41:55,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:56,551 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:41:56,551 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:41:56,551 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:56,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290745495] [2022-11-20 10:41:56,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290745495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:41:56,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:41:56,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:41:56,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622835369] [2022-11-20 10:41:56,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:41:56,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:41:56,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:56,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:41:56,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:41:56,557 INFO L87 Difference]: Start difference. First operand 8941 states and 12139 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-11-20 10:41:57,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:57,928 INFO L93 Difference]: Finished difference Result 8941 states and 12139 transitions. [2022-11-20 10:41:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:41:57,928 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 138 [2022-11-20 10:41:57,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:57,948 INFO L225 Difference]: With dead ends: 8941 [2022-11-20 10:41:57,948 INFO L226 Difference]: Without dead ends: 8939 [2022-11-20 10:41:57,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:41:57,951 INFO L413 NwaCegarLoop]: 3947 mSDtfsCounter, 3826 mSDsluCounter, 3945 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3828 SdHoareTripleChecker+Valid, 7892 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:57,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3828 Valid, 7892 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:41:57,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8939 states. [2022-11-20 10:41:59,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8939 to 8939. [2022-11-20 10:41:59,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8939 states, 5807 states have (on average 1.2218012743240916) internal successors, (7095), 5978 states have internal predecessors, (7095), 2521 states have call successors, (2521), 599 states have call predecessors, (2521), 595 states have return successors, (2521), 2477 states have call predecessors, (2521), 2519 states have call successors, (2521) [2022-11-20 10:41:59,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8939 states to 8939 states and 12137 transitions. [2022-11-20 10:41:59,314 INFO L78 Accepts]: Start accepts. Automaton has 8939 states and 12137 transitions. Word has length 138 [2022-11-20 10:41:59,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:59,315 INFO L495 AbstractCegarLoop]: Abstraction has 8939 states and 12137 transitions. [2022-11-20 10:41:59,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-11-20 10:41:59,315 INFO L276 IsEmpty]: Start isEmpty. Operand 8939 states and 12137 transitions. [2022-11-20 10:41:59,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-20 10:41:59,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:59,316 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:41:59,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (19)] Forceful destruction successful, exit code 0 [2022-11-20 10:41:59,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:59,517 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:41:59,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:59,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1057599094, now seen corresponding path program 1 times [2022-11-20 10:41:59,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:59,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112580983] [2022-11-20 10:41:59,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:59,521 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:59,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:59,521 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:41:59,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (20)] Waiting until timeout for monitored process [2022-11-20 10:42:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:42:01,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 2698 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:42:01,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:42:02,868 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:42:02,869 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:42:02,869 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:42:02,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112580983] [2022-11-20 10:42:02,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2112580983] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:42:02,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:42:02,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:42:02,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556540173] [2022-11-20 10:42:02,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:42:02,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:42:02,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:42:02,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:42:02,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:42:02,871 INFO L87 Difference]: Start difference. First operand 8939 states and 12137 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 10:42:04,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:42:04,356 INFO L93 Difference]: Finished difference Result 8939 states and 12137 transitions. [2022-11-20 10:42:04,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:42:04,357 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 144 [2022-11-20 10:42:04,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:42:04,380 INFO L225 Difference]: With dead ends: 8939 [2022-11-20 10:42:04,380 INFO L226 Difference]: Without dead ends: 8937 [2022-11-20 10:42:04,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:42:04,384 INFO L413 NwaCegarLoop]: 3945 mSDtfsCounter, 3818 mSDsluCounter, 3943 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3820 SdHoareTripleChecker+Valid, 7888 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:42:04,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3820 Valid, 7888 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:42:04,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8937 states. [2022-11-20 10:42:06,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8937 to 8937. [2022-11-20 10:42:06,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8937 states, 5806 states have (on average 1.2216672407853943) internal successors, (7093), 5976 states have internal predecessors, (7093), 2521 states have call successors, (2521), 599 states have call predecessors, (2521), 595 states have return successors, (2521), 2477 states have call predecessors, (2521), 2519 states have call successors, (2521) [2022-11-20 10:42:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8937 states to 8937 states and 12135 transitions. [2022-11-20 10:42:06,151 INFO L78 Accepts]: Start accepts. Automaton has 8937 states and 12135 transitions. Word has length 144 [2022-11-20 10:42:06,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:42:06,152 INFO L495 AbstractCegarLoop]: Abstraction has 8937 states and 12135 transitions. [2022-11-20 10:42:06,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 10:42:06,152 INFO L276 IsEmpty]: Start isEmpty. Operand 8937 states and 12135 transitions. [2022-11-20 10:42:06,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-20 10:42:06,155 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:42:06,155 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:42:06,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (20)] Forceful destruction successful, exit code 0 [2022-11-20 10:42:06,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:42:06,356 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:42:06,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:06,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1604141435, now seen corresponding path program 1 times [2022-11-20 10:42:06,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:42:06,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384636787] [2022-11-20 10:42:06,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:06,360 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:42:06,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:42:06,361 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:42:06,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (21)] Waiting until timeout for monitored process [2022-11-20 10:42:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:42:09,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 2976 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 10:42:09,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:42:10,278 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-11-20 10:42:10,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:42:10,279 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:42:10,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384636787] [2022-11-20 10:42:10,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384636787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:42:10,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:42:10,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-20 10:42:10,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891680966] [2022-11-20 10:42:10,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:42:10,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-20 10:42:10,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:42:10,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-20 10:42:10,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-11-20 10:42:10,281 INFO L87 Difference]: Start difference. First operand 8937 states and 12135 transitions. Second operand has 15 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 6 states have call successors, (28), 2 states have call predecessors, (28), 5 states have return successors, (26), 7 states have call predecessors, (26), 6 states have call successors, (26) [2022-11-20 10:42:19,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:42:19,666 INFO L93 Difference]: Finished difference Result 18532 states and 25558 transitions. [2022-11-20 10:42:19,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-20 10:42:19,667 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 6 states have call successors, (28), 2 states have call predecessors, (28), 5 states have return successors, (26), 7 states have call predecessors, (26), 6 states have call successors, (26) Word has length 179 [2022-11-20 10:42:19,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:42:19,707 INFO L225 Difference]: With dead ends: 18532 [2022-11-20 10:42:19,707 INFO L226 Difference]: Without dead ends: 12359 [2022-11-20 10:42:19,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=104, Invalid=598, Unknown=0, NotChecked=0, Total=702 [2022-11-20 10:42:19,731 INFO L413 NwaCegarLoop]: 5334 mSDtfsCounter, 2483 mSDsluCounter, 65580 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 952 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2731 SdHoareTripleChecker+Valid, 70914 SdHoareTripleChecker+Invalid, 2081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 952 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:42:19,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2731 Valid, 70914 Invalid, 2081 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [952 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-20 10:42:19,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12359 states. [2022-11-20 10:42:21,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12359 to 8957. [2022-11-20 10:42:21,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8957 states, 5818 states have (on average 1.2212100378136816) internal successors, (7105), 5988 states have internal predecessors, (7105), 2529 states have call successors, (2529), 599 states have call predecessors, (2529), 595 states have return successors, (2529), 2485 states have call predecessors, (2529), 2527 states have call successors, (2529) [2022-11-20 10:42:21,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8957 states to 8957 states and 12163 transitions. [2022-11-20 10:42:21,814 INFO L78 Accepts]: Start accepts. Automaton has 8957 states and 12163 transitions. Word has length 179 [2022-11-20 10:42:21,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:42:21,814 INFO L495 AbstractCegarLoop]: Abstraction has 8957 states and 12163 transitions. [2022-11-20 10:42:21,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 6 states have call successors, (28), 2 states have call predecessors, (28), 5 states have return successors, (26), 7 states have call predecessors, (26), 6 states have call successors, (26) [2022-11-20 10:42:21,815 INFO L276 IsEmpty]: Start isEmpty. Operand 8957 states and 12163 transitions. [2022-11-20 10:42:21,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-20 10:42:21,816 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:42:21,816 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:42:21,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (21)] Ended with exit code 0 [2022-11-20 10:42:22,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:42:22,017 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:42:22,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:22,017 INFO L85 PathProgramCache]: Analyzing trace with hash 2145151904, now seen corresponding path program 1 times [2022-11-20 10:42:22,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:42:22,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71657313] [2022-11-20 10:42:22,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:22,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:42:22,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:42:22,022 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:42:22,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (22)] Waiting until timeout for monitored process [2022-11-20 10:42:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:42:24,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 2707 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:42:24,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:42:25,502 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:42:25,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:42:25,502 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:42:25,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71657313] [2022-11-20 10:42:25,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71657313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:42:25,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:42:25,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:42:25,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692484682] [2022-11-20 10:42:25,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:42:25,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:42:25,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:42:25,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:42:25,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:42:25,504 INFO L87 Difference]: Start difference. First operand 8957 states and 12163 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-20 10:42:27,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:42:27,146 INFO L93 Difference]: Finished difference Result 8957 states and 12163 transitions. [2022-11-20 10:42:27,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:42:27,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 150 [2022-11-20 10:42:27,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:42:27,167 INFO L225 Difference]: With dead ends: 8957 [2022-11-20 10:42:27,167 INFO L226 Difference]: Without dead ends: 8955 [2022-11-20 10:42:27,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:42:27,172 INFO L413 NwaCegarLoop]: 3943 mSDtfsCounter, 3810 mSDsluCounter, 3941 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3812 SdHoareTripleChecker+Valid, 7884 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:42:27,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3812 Valid, 7884 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:42:27,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8955 states. [2022-11-20 10:42:28,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8955 to 8955. [2022-11-20 10:42:28,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8955 states, 5817 states have (on average 1.2210761560942067) internal successors, (7103), 5986 states have internal predecessors, (7103), 2529 states have call successors, (2529), 599 states have call predecessors, (2529), 595 states have return successors, (2529), 2485 states have call predecessors, (2529), 2527 states have call successors, (2529) [2022-11-20 10:42:28,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8955 states to 8955 states and 12161 transitions. [2022-11-20 10:42:28,853 INFO L78 Accepts]: Start accepts. Automaton has 8955 states and 12161 transitions. Word has length 150 [2022-11-20 10:42:28,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:42:28,854 INFO L495 AbstractCegarLoop]: Abstraction has 8955 states and 12161 transitions. [2022-11-20 10:42:28,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-20 10:42:28,854 INFO L276 IsEmpty]: Start isEmpty. Operand 8955 states and 12161 transitions. [2022-11-20 10:42:28,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-20 10:42:28,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:42:28,855 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:42:28,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (22)] Forceful destruction successful, exit code 0 [2022-11-20 10:42:29,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:42:29,056 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:42:29,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:29,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1452257030, now seen corresponding path program 1 times [2022-11-20 10:42:29,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:42:29,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531496221] [2022-11-20 10:42:29,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:29,060 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:42:29,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:42:29,062 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:42:29,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (23)] Waiting until timeout for monitored process [2022-11-20 10:42:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:42:31,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 2716 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:42:31,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:42:32,509 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:42:32,509 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:42:32,509 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:42:32,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531496221] [2022-11-20 10:42:32,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [531496221] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:42:32,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:42:32,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:42:32,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123810961] [2022-11-20 10:42:32,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:42:32,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:42:32,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:42:32,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:42:32,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:42:32,512 INFO L87 Difference]: Start difference. First operand 8955 states and 12161 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-20 10:42:34,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:42:34,498 INFO L93 Difference]: Finished difference Result 19553 states and 26432 transitions. [2022-11-20 10:42:34,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:42:34,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 156 [2022-11-20 10:42:34,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:42:34,536 INFO L225 Difference]: With dead ends: 19553 [2022-11-20 10:42:34,537 INFO L226 Difference]: Without dead ends: 10633 [2022-11-20 10:42:34,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:42:34,566 INFO L413 NwaCegarLoop]: 4778 mSDtfsCounter, 3496 mSDsluCounter, 6148 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3498 SdHoareTripleChecker+Valid, 10926 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:42:34,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3498 Valid, 10926 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:42:34,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10633 states. [2022-11-20 10:42:36,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10633 to 10615. [2022-11-20 10:42:36,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10615 states, 6834 states have (on average 1.2120280948200175) internal successors, (8283), 7028 states have internal predecessors, (8283), 2997 states have call successors, (2997), 775 states have call predecessors, (2997), 771 states have return successors, (3001), 2947 states have call predecessors, (3001), 2995 states have call successors, (3001) [2022-11-20 10:42:36,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10615 states to 10615 states and 14281 transitions. [2022-11-20 10:42:36,507 INFO L78 Accepts]: Start accepts. Automaton has 10615 states and 14281 transitions. Word has length 156 [2022-11-20 10:42:36,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:42:36,508 INFO L495 AbstractCegarLoop]: Abstraction has 10615 states and 14281 transitions. [2022-11-20 10:42:36,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-20 10:42:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 10615 states and 14281 transitions. [2022-11-20 10:42:36,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-20 10:42:36,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:42:36,510 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:42:36,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (23)] Forceful destruction successful, exit code 0 [2022-11-20 10:42:36,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:42:36,715 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:42:36,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:36,716 INFO L85 PathProgramCache]: Analyzing trace with hash -931887244, now seen corresponding path program 1 times [2022-11-20 10:42:36,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:42:36,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661200064] [2022-11-20 10:42:36,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:36,719 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:42:36,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:42:36,720 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:42:36,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (24)] Waiting until timeout for monitored process [2022-11-20 10:42:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:42:38,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 2725 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:42:38,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:42:40,167 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:42:40,167 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:42:40,167 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:42:40,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661200064] [2022-11-20 10:42:40,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1661200064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:42:40,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:42:40,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:42:40,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057678274] [2022-11-20 10:42:40,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:42:40,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:42:40,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:42:40,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:42:40,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:42:40,170 INFO L87 Difference]: Start difference. First operand 10615 states and 14281 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-20 10:42:42,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:42:42,221 INFO L93 Difference]: Finished difference Result 10615 states and 14281 transitions. [2022-11-20 10:42:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:42:42,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 162 [2022-11-20 10:42:42,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:42:42,248 INFO L225 Difference]: With dead ends: 10615 [2022-11-20 10:42:42,248 INFO L226 Difference]: Without dead ends: 10613 [2022-11-20 10:42:42,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:42:42,253 INFO L413 NwaCegarLoop]: 3939 mSDtfsCounter, 3794 mSDsluCounter, 3937 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3796 SdHoareTripleChecker+Valid, 7876 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:42:42,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3796 Valid, 7876 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:42:42,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10613 states. [2022-11-20 10:42:44,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10613 to 10613. [2022-11-20 10:42:44,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10613 states, 6833 states have (on average 1.2119127762329869) internal successors, (8281), 7026 states have internal predecessors, (8281), 2997 states have call successors, (2997), 775 states have call predecessors, (2997), 771 states have return successors, (3001), 2947 states have call predecessors, (3001), 2995 states have call successors, (3001) [2022-11-20 10:42:45,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10613 states to 10613 states and 14279 transitions. [2022-11-20 10:42:45,021 INFO L78 Accepts]: Start accepts. Automaton has 10613 states and 14279 transitions. Word has length 162 [2022-11-20 10:42:45,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:42:45,021 INFO L495 AbstractCegarLoop]: Abstraction has 10613 states and 14279 transitions. [2022-11-20 10:42:45,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-20 10:42:45,021 INFO L276 IsEmpty]: Start isEmpty. Operand 10613 states and 14279 transitions. [2022-11-20 10:42:45,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-11-20 10:42:45,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:42:45,024 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:42:45,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (24)] Ended with exit code 0 [2022-11-20 10:42:45,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:42:45,239 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:42:45,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:45,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1459546853, now seen corresponding path program 1 times [2022-11-20 10:42:45,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:42:45,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [51479419] [2022-11-20 10:42:45,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:45,242 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:42:45,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:42:45,243 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:42:45,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (25)] Waiting until timeout for monitored process [2022-11-20 10:42:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:42:48,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 3036 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-20 10:42:48,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:42:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-11-20 10:42:49,656 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:42:49,656 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:42:49,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [51479419] [2022-11-20 10:42:49,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [51479419] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:42:49,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:42:49,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-11-20 10:42:49,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761473049] [2022-11-20 10:42:49,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:42:49,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-20 10:42:49,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:42:49,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-20 10:42:49,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2022-11-20 10:42:49,659 INFO L87 Difference]: Start difference. First operand 10613 states and 14279 transitions. Second operand has 19 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 16 states have internal predecessors, (84), 7 states have call successors, (31), 2 states have call predecessors, (31), 6 states have return successors, (29), 9 states have call predecessors, (29), 7 states have call successors, (29) [2022-11-20 10:43:02,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:43:02,329 INFO L93 Difference]: Finished difference Result 24644 states and 33668 transitions. [2022-11-20 10:43:02,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-20 10:43:02,330 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 16 states have internal predecessors, (84), 7 states have call successors, (31), 2 states have call predecessors, (31), 6 states have return successors, (29), 9 states have call predecessors, (29), 7 states have call successors, (29) Word has length 202 [2022-11-20 10:43:02,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:43:02,388 INFO L225 Difference]: With dead ends: 24644 [2022-11-20 10:43:02,388 INFO L226 Difference]: Without dead ends: 14064 [2022-11-20 10:43:02,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=166, Invalid=1166, Unknown=0, NotChecked=0, Total=1332 [2022-11-20 10:43:02,417 INFO L413 NwaCegarLoop]: 5319 mSDtfsCounter, 2687 mSDsluCounter, 86295 mSDsCounter, 0 mSdLazyCounter, 1573 mSolverCounterSat, 1100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2936 SdHoareTripleChecker+Valid, 91614 SdHoareTripleChecker+Invalid, 2673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1100 IncrementalHoareTripleChecker+Valid, 1573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:43:02,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2936 Valid, 91614 Invalid, 2673 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1100 Valid, 1573 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-11-20 10:43:02,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14064 states. [2022-11-20 10:43:04,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14064 to 10626. [2022-11-20 10:43:04,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10626 states, 6843 states have (on average 1.211603098056408) internal successors, (8291), 7037 states have internal predecessors, (8291), 2998 states have call successors, (2998), 775 states have call predecessors, (2998), 773 states have return successors, (3006), 2949 states have call predecessors, (3006), 2996 states have call successors, (3006) [2022-11-20 10:43:04,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10626 states to 10626 states and 14295 transitions. [2022-11-20 10:43:04,470 INFO L78 Accepts]: Start accepts. Automaton has 10626 states and 14295 transitions. Word has length 202 [2022-11-20 10:43:04,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:43:04,471 INFO L495 AbstractCegarLoop]: Abstraction has 10626 states and 14295 transitions. [2022-11-20 10:43:04,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 16 states have internal predecessors, (84), 7 states have call successors, (31), 2 states have call predecessors, (31), 6 states have return successors, (29), 9 states have call predecessors, (29), 7 states have call successors, (29) [2022-11-20 10:43:04,471 INFO L276 IsEmpty]: Start isEmpty. Operand 10626 states and 14295 transitions. [2022-11-20 10:43:04,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-20 10:43:04,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:43:04,473 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:43:04,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (25)] Forceful destruction successful, exit code 0 [2022-11-20 10:43:04,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:04,687 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:43:04,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:43:04,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1710927893, now seen corresponding path program 1 times [2022-11-20 10:43:04,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:43:04,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093643817] [2022-11-20 10:43:04,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:43:04,691 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:04,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:43:04,692 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:43:04,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (26)] Waiting until timeout for monitored process [2022-11-20 10:43:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:43:06,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 2734 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:43:06,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:43:08,161 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:43:08,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:43:08,162 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:43:08,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2093643817] [2022-11-20 10:43:08,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2093643817] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:43:08,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:43:08,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:43:08,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305855530] [2022-11-20 10:43:08,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:43:08,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:43:08,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:43:08,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:43:08,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:43:08,164 INFO L87 Difference]: Start difference. First operand 10626 states and 14295 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-20 10:43:09,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:43:09,959 INFO L93 Difference]: Finished difference Result 10626 states and 14295 transitions. [2022-11-20 10:43:09,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:43:09,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 168 [2022-11-20 10:43:09,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:43:09,988 INFO L225 Difference]: With dead ends: 10626 [2022-11-20 10:43:09,989 INFO L226 Difference]: Without dead ends: 10624 [2022-11-20 10:43:09,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:43:09,994 INFO L413 NwaCegarLoop]: 3937 mSDtfsCounter, 3786 mSDsluCounter, 3935 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3788 SdHoareTripleChecker+Valid, 7872 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:43:09,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3788 Valid, 7872 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:43:10,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10624 states. [2022-11-20 10:43:12,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10624 to 10624. [2022-11-20 10:43:12,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10624 states, 6842 states have (on average 1.211487869044139) internal successors, (8289), 7035 states have internal predecessors, (8289), 2998 states have call successors, (2998), 775 states have call predecessors, (2998), 773 states have return successors, (3006), 2949 states have call predecessors, (3006), 2996 states have call successors, (3006) [2022-11-20 10:43:12,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10624 states to 10624 states and 14293 transitions. [2022-11-20 10:43:12,042 INFO L78 Accepts]: Start accepts. Automaton has 10624 states and 14293 transitions. Word has length 168 [2022-11-20 10:43:12,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:43:12,042 INFO L495 AbstractCegarLoop]: Abstraction has 10624 states and 14293 transitions. [2022-11-20 10:43:12,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-20 10:43:12,043 INFO L276 IsEmpty]: Start isEmpty. Operand 10624 states and 14293 transitions. [2022-11-20 10:43:12,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-20 10:43:12,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:43:12,045 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:43:12,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (26)] Forceful destruction successful, exit code 0 [2022-11-20 10:43:12,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:12,246 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:43:12,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:43:12,247 INFO L85 PathProgramCache]: Analyzing trace with hash 2022623129, now seen corresponding path program 1 times [2022-11-20 10:43:12,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:43:12,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557565883] [2022-11-20 10:43:12,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:43:12,250 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:12,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:43:12,251 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:43:12,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (27)] Waiting until timeout for monitored process [2022-11-20 10:43:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:43:14,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 2743 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:43:14,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:43:15,694 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:43:15,694 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:43:15,694 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:43:15,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557565883] [2022-11-20 10:43:15,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [557565883] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:43:15,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:43:15,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:43:15,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951276602] [2022-11-20 10:43:15,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:43:15,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:43:15,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:43:15,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:43:15,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:43:15,697 INFO L87 Difference]: Start difference. First operand 10624 states and 14293 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-11-20 10:43:17,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:43:17,633 INFO L93 Difference]: Finished difference Result 10624 states and 14293 transitions. [2022-11-20 10:43:17,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:43:17,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2022-11-20 10:43:17,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:43:17,654 INFO L225 Difference]: With dead ends: 10624 [2022-11-20 10:43:17,655 INFO L226 Difference]: Without dead ends: 10622 [2022-11-20 10:43:17,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:43:17,658 INFO L413 NwaCegarLoop]: 3935 mSDtfsCounter, 3778 mSDsluCounter, 3933 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3780 SdHoareTripleChecker+Valid, 7868 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:43:17,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3780 Valid, 7868 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:43:17,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10622 states. [2022-11-20 10:43:19,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10622 to 10622. [2022-11-20 10:43:19,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10622 states, 6841 states have (on average 1.2113726063441017) internal successors, (8287), 7033 states have internal predecessors, (8287), 2998 states have call successors, (2998), 775 states have call predecessors, (2998), 773 states have return successors, (3006), 2949 states have call predecessors, (3006), 2996 states have call successors, (3006) [2022-11-20 10:43:19,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10622 states to 10622 states and 14291 transitions. [2022-11-20 10:43:19,867 INFO L78 Accepts]: Start accepts. Automaton has 10622 states and 14291 transitions. Word has length 174 [2022-11-20 10:43:19,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:43:19,868 INFO L495 AbstractCegarLoop]: Abstraction has 10622 states and 14291 transitions. [2022-11-20 10:43:19,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-11-20 10:43:19,868 INFO L276 IsEmpty]: Start isEmpty. Operand 10622 states and 14291 transitions. [2022-11-20 10:43:19,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-20 10:43:19,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:43:19,871 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:43:19,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (27)] Forceful destruction successful, exit code 0 [2022-11-20 10:43:20,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:20,083 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:43:20,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:43:20,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1438582616, now seen corresponding path program 1 times [2022-11-20 10:43:20,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:43:20,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [497598853] [2022-11-20 10:43:20,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:43:20,086 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:20,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:43:20,087 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:43:20,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (28)] Waiting until timeout for monitored process [2022-11-20 10:43:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:43:22,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 2752 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:43:22,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:43:23,649 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 10:43:23,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:43:23,649 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:43:23,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [497598853] [2022-11-20 10:43:23,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [497598853] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:43:23,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:43:23,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:43:23,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710145520] [2022-11-20 10:43:23,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:43:23,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:43:23,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:43:23,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:43:23,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:43:23,651 INFO L87 Difference]: Start difference. First operand 10622 states and 14291 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-20 10:43:25,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:43:25,650 INFO L93 Difference]: Finished difference Result 10622 states and 14291 transitions. [2022-11-20 10:43:25,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:43:25,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 180 [2022-11-20 10:43:25,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:43:25,672 INFO L225 Difference]: With dead ends: 10622 [2022-11-20 10:43:25,672 INFO L226 Difference]: Without dead ends: 10450 [2022-11-20 10:43:25,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:43:25,676 INFO L413 NwaCegarLoop]: 3934 mSDtfsCounter, 3769 mSDsluCounter, 3934 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3769 SdHoareTripleChecker+Valid, 7868 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:43:25,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3769 Valid, 7868 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:43:25,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10450 states. [2022-11-20 10:43:27,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10450 to 10450. [2022-11-20 10:43:27,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10450 states, 6736 states have (on average 1.2139251781472684) internal successors, (8177), 6925 states have internal predecessors, (8177), 2952 states have call successors, (2952), 755 states have call predecessors, (2952), 753 states have return successors, (2960), 2905 states have call predecessors, (2960), 2950 states have call successors, (2960) [2022-11-20 10:43:27,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10450 states to 10450 states and 14089 transitions. [2022-11-20 10:43:27,638 INFO L78 Accepts]: Start accepts. Automaton has 10450 states and 14089 transitions. Word has length 180 [2022-11-20 10:43:27,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:43:27,638 INFO L495 AbstractCegarLoop]: Abstraction has 10450 states and 14089 transitions. [2022-11-20 10:43:27,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-20 10:43:27,638 INFO L276 IsEmpty]: Start isEmpty. Operand 10450 states and 14089 transitions. [2022-11-20 10:43:27,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-20 10:43:27,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:43:27,641 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:43:27,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (28)] Forceful destruction successful, exit code 0 [2022-11-20 10:43:27,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:27,855 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:43:27,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:43:27,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1686956696, now seen corresponding path program 1 times [2022-11-20 10:43:27,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:43:27,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [514622107] [2022-11-20 10:43:27,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:43:27,858 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:27,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:43:27,859 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:43:27,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (29)] Waiting until timeout for monitored process [2022-11-20 10:43:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:43:30,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 3063 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:43:30,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:43:30,774 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-11-20 10:43:30,774 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:43:30,775 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:43:30,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [514622107] [2022-11-20 10:43:30,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [514622107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:43:30,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:43:30,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:43:30,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229413327] [2022-11-20 10:43:30,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:43:30,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:43:30,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:43:30,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:43:30,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:43:30,778 INFO L87 Difference]: Start difference. First operand 10450 states and 14089 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 10:43:33,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:43:33,203 INFO L93 Difference]: Finished difference Result 21183 states and 28662 transitions. [2022-11-20 10:43:33,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:43:33,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 241 [2022-11-20 10:43:33,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:43:33,247 INFO L225 Difference]: With dead ends: 21183 [2022-11-20 10:43:33,248 INFO L226 Difference]: Without dead ends: 10752 [2022-11-20 10:43:33,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:43:33,283 INFO L413 NwaCegarLoop]: 3821 mSDtfsCounter, 200 mSDsluCounter, 7616 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 11437 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:43:33,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 11437 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:43:33,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10752 states. [2022-11-20 10:43:35,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10752 to 10740. [2022-11-20 10:43:35,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10740 states, 6934 states have (on average 1.2144505336025382) internal successors, (8421), 7123 states have internal predecessors, (8421), 3042 states have call successors, (3042), 757 states have call predecessors, (3042), 755 states have return successors, (3050), 2995 states have call predecessors, (3050), 3040 states have call successors, (3050) [2022-11-20 10:43:35,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10740 states to 10740 states and 14513 transitions. [2022-11-20 10:43:35,742 INFO L78 Accepts]: Start accepts. Automaton has 10740 states and 14513 transitions. Word has length 241 [2022-11-20 10:43:35,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:43:35,743 INFO L495 AbstractCegarLoop]: Abstraction has 10740 states and 14513 transitions. [2022-11-20 10:43:35,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 10:43:35,743 INFO L276 IsEmpty]: Start isEmpty. Operand 10740 states and 14513 transitions. [2022-11-20 10:43:35,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-11-20 10:43:35,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:43:35,745 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:43:35,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (29)] Forceful destruction successful, exit code 0 [2022-11-20 10:43:35,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:35,959 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:43:35,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:43:35,959 INFO L85 PathProgramCache]: Analyzing trace with hash -2138492716, now seen corresponding path program 1 times [2022-11-20 10:43:35,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:43:35,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [769791855] [2022-11-20 10:43:35,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:43:35,962 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:35,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:43:35,963 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:43:35,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (30)] Waiting until timeout for monitored process [2022-11-20 10:43:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:43:38,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 3074 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 10:43:38,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:43:40,767 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-11-20 10:43:40,767 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:43:40,767 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:43:40,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [769791855] [2022-11-20 10:43:40,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [769791855] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:43:40,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:43:40,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:43:40,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173753294] [2022-11-20 10:43:40,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:43:40,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:43:40,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:43:40,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:43:40,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:43:40,770 INFO L87 Difference]: Start difference. First operand 10740 states and 14513 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (34), 1 states have call predecessors, (34), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2022-11-20 10:43:52,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:43:52,839 INFO L93 Difference]: Finished difference Result 21925 states and 29674 transitions. [2022-11-20 10:43:52,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:43:52,840 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (34), 1 states have call predecessors, (34), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) Word has length 246 [2022-11-20 10:43:52,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:43:52,878 INFO L225 Difference]: With dead ends: 21925 [2022-11-20 10:43:52,879 INFO L226 Difference]: Without dead ends: 11204 [2022-11-20 10:43:52,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:43:52,913 INFO L413 NwaCegarLoop]: 3850 mSDtfsCounter, 3635 mSDsluCounter, 10017 mSDsCounter, 0 mSdLazyCounter, 1584 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3639 SdHoareTripleChecker+Valid, 13867 SdHoareTripleChecker+Invalid, 1585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:43:52,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3639 Valid, 13867 Invalid, 1585 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1584 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-11-20 10:43:52,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11204 states. [2022-11-20 10:43:55,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11204 to 11200. [2022-11-20 10:43:55,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11200 states, 7234 states have (on average 1.212468896875864) internal successors, (8771), 7431 states have internal predecessors, (8771), 3130 states have call successors, (3130), 829 states have call predecessors, (3130), 827 states have return successors, (3138), 3079 states have call predecessors, (3138), 3128 states have call successors, (3138) [2022-11-20 10:43:55,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11200 states to 11200 states and 15039 transitions. [2022-11-20 10:43:55,362 INFO L78 Accepts]: Start accepts. Automaton has 11200 states and 15039 transitions. Word has length 246 [2022-11-20 10:43:55,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:43:55,362 INFO L495 AbstractCegarLoop]: Abstraction has 11200 states and 15039 transitions. [2022-11-20 10:43:55,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (34), 1 states have call predecessors, (34), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2022-11-20 10:43:55,362 INFO L276 IsEmpty]: Start isEmpty. Operand 11200 states and 15039 transitions. [2022-11-20 10:43:55,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-11-20 10:43:55,364 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:43:55,364 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:43:55,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (30)] Forceful destruction successful, exit code 0 [2022-11-20 10:43:55,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:55,564 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:43:55,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:43:55,565 INFO L85 PathProgramCache]: Analyzing trace with hash -2138433134, now seen corresponding path program 1 times [2022-11-20 10:43:55,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:43:55,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785607305] [2022-11-20 10:43:55,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:43:55,568 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:55,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:43:55,569 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:43:55,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (31)] Waiting until timeout for monitored process [2022-11-20 10:43:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:43:58,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 3074 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:43:58,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:43:58,363 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-11-20 10:43:58,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:43:58,364 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:43:58,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785607305] [2022-11-20 10:43:58,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [785607305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:43:58,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:43:58,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:43:58,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521714977] [2022-11-20 10:43:58,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:43:58,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:43:58,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:43:58,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:43:58,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:43:58,366 INFO L87 Difference]: Start difference. First operand 11200 states and 15039 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2022-11-20 10:44:00,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:44:00,777 INFO L93 Difference]: Finished difference Result 11200 states and 15039 transitions. [2022-11-20 10:44:00,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:44:00,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 246 [2022-11-20 10:44:00,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:44:00,812 INFO L225 Difference]: With dead ends: 11200 [2022-11-20 10:44:00,812 INFO L226 Difference]: Without dead ends: 11198 [2022-11-20 10:44:00,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:44:00,817 INFO L413 NwaCegarLoop]: 3772 mSDtfsCounter, 23 mSDsluCounter, 7522 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 11294 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:44:00,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 11294 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:44:00,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11198 states. [2022-11-20 10:44:03,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11198 to 11198. [2022-11-20 10:44:03,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11198 states, 7233 states have (on average 1.2116687404949538) internal successors, (8764), 7429 states have internal predecessors, (8764), 3130 states have call successors, (3130), 829 states have call predecessors, (3130), 827 states have return successors, (3138), 3079 states have call predecessors, (3138), 3128 states have call successors, (3138) [2022-11-20 10:44:03,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11198 states to 11198 states and 15032 transitions. [2022-11-20 10:44:03,095 INFO L78 Accepts]: Start accepts. Automaton has 11198 states and 15032 transitions. Word has length 246 [2022-11-20 10:44:03,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:44:03,095 INFO L495 AbstractCegarLoop]: Abstraction has 11198 states and 15032 transitions. [2022-11-20 10:44:03,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2022-11-20 10:44:03,096 INFO L276 IsEmpty]: Start isEmpty. Operand 11198 states and 15032 transitions. [2022-11-20 10:44:03,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-11-20 10:44:03,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:44:03,097 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:44:03,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (31)] Forceful destruction successful, exit code 0 [2022-11-20 10:44:03,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:03,298 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:44:03,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:44:03,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1336392970, now seen corresponding path program 1 times [2022-11-20 10:44:03,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:44:03,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [155680953] [2022-11-20 10:44:03,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:03,301 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:03,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:44:03,302 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:44:03,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (32)] Waiting until timeout for monitored process [2022-11-20 10:44:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:06,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 3314 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:44:06,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:44:06,567 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-11-20 10:44:06,568 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:44:06,568 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:44:06,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [155680953] [2022-11-20 10:44:06,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [155680953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:44:06,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:44:06,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:44:06,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208178415] [2022-11-20 10:44:06,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:44:06,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:44:06,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:44:06,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:44:06,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:44:06,571 INFO L87 Difference]: Start difference. First operand 11198 states and 15032 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 10:44:10,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:44:10,188 INFO L93 Difference]: Finished difference Result 24748 states and 33562 transitions. [2022-11-20 10:44:10,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:44:10,193 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) Word has length 225 [2022-11-20 10:44:10,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:44:10,227 INFO L225 Difference]: With dead ends: 24748 [2022-11-20 10:44:10,227 INFO L226 Difference]: Without dead ends: 13569 [2022-11-20 10:44:10,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:44:10,253 INFO L413 NwaCegarLoop]: 4974 mSDtfsCounter, 751 mSDsluCounter, 18914 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 23888 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 10:44:10,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [989 Valid, 23888 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 10:44:10,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13569 states. [2022-11-20 10:44:12,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13569 to 11202. [2022-11-20 10:44:12,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11202 states, 7237 states have (on average 1.2115517479618627) internal successors, (8768), 7431 states have internal predecessors, (8768), 3130 states have call successors, (3130), 829 states have call predecessors, (3130), 827 states have return successors, (3138), 3081 states have call predecessors, (3138), 3128 states have call successors, (3138) [2022-11-20 10:44:12,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11202 states to 11202 states and 15036 transitions. [2022-11-20 10:44:12,722 INFO L78 Accepts]: Start accepts. Automaton has 11202 states and 15036 transitions. Word has length 225 [2022-11-20 10:44:12,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:44:12,722 INFO L495 AbstractCegarLoop]: Abstraction has 11202 states and 15036 transitions. [2022-11-20 10:44:12,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 10:44:12,723 INFO L276 IsEmpty]: Start isEmpty. Operand 11202 states and 15036 transitions. [2022-11-20 10:44:12,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-20 10:44:12,724 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:44:12,724 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:44:12,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (32)] Forceful destruction successful, exit code 0 [2022-11-20 10:44:12,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:12,925 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:44:12,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:44:12,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1649896808, now seen corresponding path program 1 times [2022-11-20 10:44:12,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:44:12,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [199136265] [2022-11-20 10:44:12,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:12,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:12,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:44:12,930 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:44:12,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (33)] Waiting until timeout for monitored process [2022-11-20 10:44:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:15,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 3081 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:44:15,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:44:17,647 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-11-20 10:44:17,648 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:44:17,648 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:44:17,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [199136265] [2022-11-20 10:44:17,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [199136265] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:44:17,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:44:17,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:44:17,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710058199] [2022-11-20 10:44:17,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:44:17,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:44:17,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:44:17,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:44:17,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:44:17,651 INFO L87 Difference]: Start difference. First operand 11202 states and 15036 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2022-11-20 10:44:19,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:44:19,956 INFO L93 Difference]: Finished difference Result 22371 states and 30167 transitions. [2022-11-20 10:44:19,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:44:19,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 250 [2022-11-20 10:44:19,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:44:19,987 INFO L225 Difference]: With dead ends: 22371 [2022-11-20 10:44:19,987 INFO L226 Difference]: Without dead ends: 11188 [2022-11-20 10:44:20,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:44:20,016 INFO L413 NwaCegarLoop]: 3768 mSDtfsCounter, 3625 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3625 SdHoareTripleChecker+Valid, 3768 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:44:20,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3625 Valid, 3768 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:44:20,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11188 states. [2022-11-20 10:44:22,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11188 to 11188. [2022-11-20 10:44:22,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11188 states, 7224 states have (on average 1.2102713178294573) internal successors, (8743), 7417 states have internal predecessors, (8743), 3130 states have call successors, (3130), 829 states have call predecessors, (3130), 827 states have return successors, (3138), 3081 states have call predecessors, (3138), 3128 states have call successors, (3138) [2022-11-20 10:44:22,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11188 states to 11188 states and 15011 transitions. [2022-11-20 10:44:22,465 INFO L78 Accepts]: Start accepts. Automaton has 11188 states and 15011 transitions. Word has length 250 [2022-11-20 10:44:22,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:44:22,465 INFO L495 AbstractCegarLoop]: Abstraction has 11188 states and 15011 transitions. [2022-11-20 10:44:22,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2022-11-20 10:44:22,465 INFO L276 IsEmpty]: Start isEmpty. Operand 11188 states and 15011 transitions. [2022-11-20 10:44:22,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-11-20 10:44:22,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:44:22,467 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:44:22,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (33)] Forceful destruction successful, exit code 0 [2022-11-20 10:44:22,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:22,668 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:44:22,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:44:22,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1420126213, now seen corresponding path program 1 times [2022-11-20 10:44:22,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:44:22,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684285939] [2022-11-20 10:44:22,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:22,671 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:22,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:44:22,672 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:44:22,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (34)] Waiting until timeout for monitored process [2022-11-20 10:44:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:25,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 3330 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 10:44:25,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:44:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-11-20 10:44:25,980 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:44:25,980 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:44:25,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684285939] [2022-11-20 10:44:25,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1684285939] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:44:25,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:44:25,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:44:25,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464712473] [2022-11-20 10:44:25,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:44:25,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:44:25,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:44:25,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:44:25,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:44:25,983 INFO L87 Difference]: Start difference. First operand 11188 states and 15011 transitions. Second operand has 6 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 10:44:30,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:44:30,291 INFO L93 Difference]: Finished difference Result 24724 states and 33514 transitions. [2022-11-20 10:44:30,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:44:30,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 228 [2022-11-20 10:44:30,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:44:30,326 INFO L225 Difference]: With dead ends: 24724 [2022-11-20 10:44:30,326 INFO L226 Difference]: Without dead ends: 13555 [2022-11-20 10:44:30,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:44:30,350 INFO L413 NwaCegarLoop]: 4211 mSDtfsCounter, 746 mSDsluCounter, 16410 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 983 SdHoareTripleChecker+Valid, 20621 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:44:30,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [983 Valid, 20621 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 10:44:30,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13555 states. [2022-11-20 10:44:33,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13555 to 11188. [2022-11-20 10:44:33,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11188 states, 7224 states have (on average 1.2099944629014396) internal successors, (8741), 7417 states have internal predecessors, (8741), 3130 states have call successors, (3130), 829 states have call predecessors, (3130), 827 states have return successors, (3138), 3081 states have call predecessors, (3138), 3128 states have call successors, (3138) [2022-11-20 10:44:33,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11188 states to 11188 states and 15009 transitions. [2022-11-20 10:44:33,194 INFO L78 Accepts]: Start accepts. Automaton has 11188 states and 15009 transitions. Word has length 228 [2022-11-20 10:44:33,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:44:33,195 INFO L495 AbstractCegarLoop]: Abstraction has 11188 states and 15009 transitions. [2022-11-20 10:44:33,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 10:44:33,195 INFO L276 IsEmpty]: Start isEmpty. Operand 11188 states and 15009 transitions. [2022-11-20 10:44:33,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-11-20 10:44:33,197 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:44:33,198 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:44:33,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (34)] Forceful destruction successful, exit code 0 [2022-11-20 10:44:33,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:33,419 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:44:33,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:44:33,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1567698685, now seen corresponding path program 1 times [2022-11-20 10:44:33,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:44:33,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745321126] [2022-11-20 10:44:33,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:33,422 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:33,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:44:33,423 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:44:33,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (35)] Waiting until timeout for monitored process [2022-11-20 10:44:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:36,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 3330 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 10:44:36,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:44:36,979 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-11-20 10:44:36,980 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:44:36,980 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:44:36,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745321126] [2022-11-20 10:44:36,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745321126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:44:36,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:44:36,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:44:36,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743184778] [2022-11-20 10:44:36,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:44:36,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:44:36,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:44:36,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:44:36,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:44:36,983 INFO L87 Difference]: Start difference. First operand 11188 states and 15009 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 10:44:41,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:44:44,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:44:44,053 INFO L93 Difference]: Finished difference Result 23291 states and 31352 transitions. [2022-11-20 10:44:44,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:44:44,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 228 [2022-11-20 10:44:44,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:44:44,086 INFO L225 Difference]: With dead ends: 23291 [2022-11-20 10:44:44,086 INFO L226 Difference]: Without dead ends: 12122 [2022-11-20 10:44:44,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:44:44,108 INFO L413 NwaCegarLoop]: 4190 mSDtfsCounter, 986 mSDsluCounter, 11784 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 345 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 987 SdHoareTripleChecker+Valid, 15974 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:44:44,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [987 Valid, 15974 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 28 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-11-20 10:44:44,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12122 states. [2022-11-20 10:44:46,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12122 to 11194. [2022-11-20 10:44:46,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11194 states, 7230 states have (on average 1.209820193637621) internal successors, (8747), 7423 states have internal predecessors, (8747), 3130 states have call successors, (3130), 829 states have call predecessors, (3130), 827 states have return successors, (3138), 3081 states have call predecessors, (3138), 3128 states have call successors, (3138) [2022-11-20 10:44:46,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11194 states to 11194 states and 15015 transitions. [2022-11-20 10:44:46,576 INFO L78 Accepts]: Start accepts. Automaton has 11194 states and 15015 transitions. Word has length 228 [2022-11-20 10:44:46,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:44:46,577 INFO L495 AbstractCegarLoop]: Abstraction has 11194 states and 15015 transitions. [2022-11-20 10:44:46,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 10:44:46,577 INFO L276 IsEmpty]: Start isEmpty. Operand 11194 states and 15015 transitions. [2022-11-20 10:44:46,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-20 10:44:46,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:44:46,580 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:44:46,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (35)] Forceful destruction successful, exit code 0 [2022-11-20 10:44:46,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:46,803 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:44:46,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:44:46,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1988066270, now seen corresponding path program 1 times [2022-11-20 10:44:46,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:44:46,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1468164574] [2022-11-20 10:44:46,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:46,807 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:46,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:44:46,808 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:44:46,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (36)] Waiting until timeout for monitored process [2022-11-20 10:44:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:49,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 3138 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:44:49,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:44:49,929 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2022-11-20 10:44:49,930 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:44:49,930 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:44:49,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1468164574] [2022-11-20 10:44:49,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1468164574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:44:49,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:44:49,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:44:49,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318807595] [2022-11-20 10:44:49,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:44:49,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:44:49,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:44:49,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:44:49,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:44:49,933 INFO L87 Difference]: Start difference. First operand 11194 states and 15015 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2022-11-20 10:44:52,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:44:52,587 INFO L93 Difference]: Finished difference Result 22375 states and 30066 transitions. [2022-11-20 10:44:52,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:44:52,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 258 [2022-11-20 10:44:52,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:44:52,612 INFO L225 Difference]: With dead ends: 22375 [2022-11-20 10:44:52,613 INFO L226 Difference]: Without dead ends: 11200 [2022-11-20 10:44:52,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:44:52,638 INFO L413 NwaCegarLoop]: 3767 mSDtfsCounter, 1 mSDsluCounter, 3763 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 7530 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:44:52,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 7530 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:44:52,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11200 states. [2022-11-20 10:44:55,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11200 to 11196. [2022-11-20 10:44:55,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11196 states, 7232 states have (on average 1.2097621681415929) internal successors, (8749), 7425 states have internal predecessors, (8749), 3130 states have call successors, (3130), 829 states have call predecessors, (3130), 827 states have return successors, (3138), 3081 states have call predecessors, (3138), 3128 states have call successors, (3138) [2022-11-20 10:44:55,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11196 states to 11196 states and 15017 transitions. [2022-11-20 10:44:55,131 INFO L78 Accepts]: Start accepts. Automaton has 11196 states and 15017 transitions. Word has length 258 [2022-11-20 10:44:55,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:44:55,131 INFO L495 AbstractCegarLoop]: Abstraction has 11196 states and 15017 transitions. [2022-11-20 10:44:55,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2022-11-20 10:44:55,132 INFO L276 IsEmpty]: Start isEmpty. Operand 11196 states and 15017 transitions. [2022-11-20 10:44:55,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-20 10:44:55,133 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:44:55,134 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:44:55,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (36)] Forceful destruction successful, exit code 0 [2022-11-20 10:44:55,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:55,337 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:44:55,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:44:55,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1668587046, now seen corresponding path program 1 times [2022-11-20 10:44:55,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:44:55,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [652427598] [2022-11-20 10:44:55,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:55,343 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:55,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:44:55,344 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:44:55,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (37)] Waiting until timeout for monitored process [2022-11-20 10:44:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:58,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 3146 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:44:58,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:44:58,464 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-11-20 10:44:58,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:44:58,702 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-11-20 10:44:58,703 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:44:58,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [652427598] [2022-11-20 10:44:58,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [652427598] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:44:58,703 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:44:58,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-20 10:44:58,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937643002] [2022-11-20 10:44:58,704 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:44:58,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:44:58,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:44:58,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:44:58,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:44:58,705 INFO L87 Difference]: Start difference. First operand 11196 states and 15017 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 4 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-20 10:45:01,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:01,462 INFO L93 Difference]: Finished difference Result 22391 states and 30090 transitions. [2022-11-20 10:45:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:45:01,463 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 4 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 264 [2022-11-20 10:45:01,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:01,486 INFO L225 Difference]: With dead ends: 22391 [2022-11-20 10:45:01,486 INFO L226 Difference]: Without dead ends: 11214 [2022-11-20 10:45:01,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:45:01,511 INFO L413 NwaCegarLoop]: 3770 mSDtfsCounter, 5 mSDsluCounter, 11289 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 15059 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:01,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 15059 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:45:01,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11214 states. [2022-11-20 10:45:03,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11214 to 11214. [2022-11-20 10:45:03,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11214 states, 7244 states have (on average 1.2094146880176697) internal successors, (8761), 7437 states have internal predecessors, (8761), 3136 states have call successors, (3136), 829 states have call predecessors, (3136), 827 states have return successors, (3144), 3087 states have call predecessors, (3144), 3134 states have call successors, (3144) [2022-11-20 10:45:03,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11214 states to 11214 states and 15041 transitions. [2022-11-20 10:45:03,942 INFO L78 Accepts]: Start accepts. Automaton has 11214 states and 15041 transitions. Word has length 264 [2022-11-20 10:45:03,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:03,942 INFO L495 AbstractCegarLoop]: Abstraction has 11214 states and 15041 transitions. [2022-11-20 10:45:03,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 4 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-20 10:45:03,942 INFO L276 IsEmpty]: Start isEmpty. Operand 11214 states and 15041 transitions. [2022-11-20 10:45:03,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-20 10:45:03,944 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:03,944 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:45:03,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (37)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:04,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:04,145 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:45:04,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:04,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1231719731, now seen corresponding path program 1 times [2022-11-20 10:45:04,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:45:04,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930600217] [2022-11-20 10:45:04,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:04,148 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:04,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:45:04,149 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:45:04,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (38)] Waiting until timeout for monitored process [2022-11-20 10:45:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:07,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 3379 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 10:45:07,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-11-20 10:45:08,050 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:45:08,051 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:45:08,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [930600217] [2022-11-20 10:45:08,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [930600217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:45:08,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:45:08,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:45:08,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891421236] [2022-11-20 10:45:08,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:45:08,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:45:08,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:45:08,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:45:08,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:45:08,053 INFO L87 Difference]: Start difference. First operand 11214 states and 15041 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 10:45:11,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:11,373 INFO L93 Difference]: Finished difference Result 22975 states and 30881 transitions. [2022-11-20 10:45:11,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:45:11,374 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 249 [2022-11-20 10:45:11,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:11,402 INFO L225 Difference]: With dead ends: 22975 [2022-11-20 10:45:11,402 INFO L226 Difference]: Without dead ends: 11780 [2022-11-20 10:45:11,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:45:11,425 INFO L413 NwaCegarLoop]: 4152 mSDtfsCounter, 230 mSDsluCounter, 16293 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 20445 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:11,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 20445 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 10:45:11,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11780 states. [2022-11-20 10:45:13,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11780 to 11224. [2022-11-20 10:45:13,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11224 states, 7252 states have (on average 1.2091836734693877) internal successors, (8769), 7445 states have internal predecessors, (8769), 3136 states have call successors, (3136), 829 states have call predecessors, (3136), 829 states have return successors, (3150), 3089 states have call predecessors, (3150), 3134 states have call successors, (3150) [2022-11-20 10:45:13,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11224 states to 11224 states and 15055 transitions. [2022-11-20 10:45:13,887 INFO L78 Accepts]: Start accepts. Automaton has 11224 states and 15055 transitions. Word has length 249 [2022-11-20 10:45:13,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:13,888 INFO L495 AbstractCegarLoop]: Abstraction has 11224 states and 15055 transitions. [2022-11-20 10:45:13,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 10:45:13,888 INFO L276 IsEmpty]: Start isEmpty. Operand 11224 states and 15055 transitions. [2022-11-20 10:45:13,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-11-20 10:45:13,890 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:13,890 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:45:13,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (38)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:14,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:14,091 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:45:14,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:14,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1860162568, now seen corresponding path program 1 times [2022-11-20 10:45:14,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:45:14,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1557972204] [2022-11-20 10:45:14,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:14,095 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:14,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:45:14,096 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:45:14,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (39)] Waiting until timeout for monitored process [2022-11-20 10:45:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:16,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 3160 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 10:45:16,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:19,003 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-11-20 10:45:19,004 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:45:19,004 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:45:19,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1557972204] [2022-11-20 10:45:19,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1557972204] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:45:19,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:45:19,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:45:19,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9960791] [2022-11-20 10:45:19,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:45:19,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:45:19,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:45:19,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:45:19,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:45:19,007 INFO L87 Difference]: Start difference. First operand 11224 states and 15055 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-20 10:45:21,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:21,676 INFO L93 Difference]: Finished difference Result 11416 states and 15237 transitions. [2022-11-20 10:45:21,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:45:21,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 266 [2022-11-20 10:45:21,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:21,703 INFO L225 Difference]: With dead ends: 11416 [2022-11-20 10:45:21,703 INFO L226 Difference]: Without dead ends: 11414 [2022-11-20 10:45:21,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:45:21,707 INFO L413 NwaCegarLoop]: 3793 mSDtfsCounter, 3602 mSDsluCounter, 7627 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3603 SdHoareTripleChecker+Valid, 11420 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:21,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3603 Valid, 11420 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:45:21,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11414 states. [2022-11-20 10:45:24,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11414 to 11412. [2022-11-20 10:45:24,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11412 states, 7380 states have (on average 1.2074525745257452) internal successors, (8911), 7581 states have internal predecessors, (8911), 3152 states have call successors, (3152), 873 states have call predecessors, (3152), 873 states have return successors, (3166), 3105 states have call predecessors, (3166), 3150 states have call successors, (3166) [2022-11-20 10:45:24,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11412 states to 11412 states and 15229 transitions. [2022-11-20 10:45:24,356 INFO L78 Accepts]: Start accepts. Automaton has 11412 states and 15229 transitions. Word has length 266 [2022-11-20 10:45:24,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:24,356 INFO L495 AbstractCegarLoop]: Abstraction has 11412 states and 15229 transitions. [2022-11-20 10:45:24,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-20 10:45:24,357 INFO L276 IsEmpty]: Start isEmpty. Operand 11412 states and 15229 transitions. [2022-11-20 10:45:24,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-20 10:45:24,359 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:24,359 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:45:24,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (39)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:24,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:24,559 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 10:45:24,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:24,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1674809507, now seen corresponding path program 1 times [2022-11-20 10:45:24,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:45:24,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1760708358] [2022-11-20 10:45:24,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:24,563 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:24,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:45:24,564 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:45:24,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97612368-3522-4aac-8a9f-b1a2316b8564/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 (40)] Waiting until timeout for monitored process [2022-11-20 10:50:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:50:03,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.