./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--wireless--ath--ar5523--ar5523.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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 d25a5fddccc283f641b7212d7cb4f798f6892ab426c5d600c12492c2922640af --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:26:35,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:26:35,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:26:35,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:26:35,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:26:35,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:26:35,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:26:35,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:26:35,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:26:35,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:26:35,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:26:35,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:26:35,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:26:35,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:26:35,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:26:35,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:26:35,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:26:35,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:26:35,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:26:35,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:26:35,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:26:35,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:26:35,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:26:35,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:26:35,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:26:35,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:26:35,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:26:35,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:26:35,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:26:35,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:26:35,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:26:35,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:26:35,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:26:35,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:26:35,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:26:35,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:26:35,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:26:35,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:26:35,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:26:35,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:26:35,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:26:35,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:26:35,335 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:26:35,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:26:35,336 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:26:35,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:26:35,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:26:35,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:26:35,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:26:35,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:26:35,339 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:26:35,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:26:35,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:26:35,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:26:35,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:26:35,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:26:35,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:26:35,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:26:35,342 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:26:35,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:26:35,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:26:35,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:26:35,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:26:35,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:26:35,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:26:35,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:26:35,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:26:35,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:26:35,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:26:35,345 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:26:35,345 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:26:35,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:26:35,346 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d25a5fddccc283f641b7212d7cb4f798f6892ab426c5d600c12492c2922640af [2022-11-20 11:26:35,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:26:35,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:26:35,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:26:35,638 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:26:35,638 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:26:35,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i [2022-11-20 11:26:38,788 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:26:39,515 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:26:39,516 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i [2022-11-20 11:26:39,585 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/data/ef21b5754/c726a761cc594fb3b130b498eae7e9f0/FLAG8b44fb819 [2022-11-20 11:26:39,605 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/data/ef21b5754/c726a761cc594fb3b130b498eae7e9f0 [2022-11-20 11:26:39,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:26:39,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:26:39,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:26:39,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:26:39,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:26:39,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:26:39" (1/1) ... [2022-11-20 11:26:39,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8fa8121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:39, skipping insertion in model container [2022-11-20 11:26:39,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:26:39" (1/1) ... [2022-11-20 11:26:39,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:26:39,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:26:41,058 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 11:26:41,069 INFO L158 Benchmark]: Toolchain (without parser) took 1454.34ms. Allocated memory is still 180.4MB. Free memory was 119.9MB in the beginning and 93.1MB in the end (delta: 26.8MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2022-11-20 11:26:41,070 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 132.1MB. Free memory was 76.2MB in the beginning and 76.1MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:26:41,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1448.92ms. Allocated memory is still 180.4MB. Free memory was 119.2MB in the beginning and 93.1MB in the end (delta: 26.1MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2022-11-20 11:26:41,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 132.1MB. Free memory was 76.2MB in the beginning and 76.1MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1448.92ms. Allocated memory is still 180.4MB. Free memory was 119.2MB in the beginning and 93.1MB in the end (delta: 26.1MB). Peak memory consumption was 49.0MB. 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 d25a5fddccc283f641b7212d7cb4f798f6892ab426c5d600c12492c2922640af --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:26:43,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:26:43,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:26:43,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:26:43,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:26:43,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:26:43,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:26:43,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:26:43,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:26:43,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:26:43,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:26:43,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:26:43,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:26:43,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:26:43,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:26:43,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:26:43,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:26:43,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:26:43,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:26:43,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:26:43,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:26:43,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:26:43,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:26:43,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:26:43,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:26:43,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:26:43,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:26:43,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:26:43,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:26:43,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:26:43,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:26:43,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:26:43,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:26:43,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:26:43,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:26:43,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:26:43,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:26:43,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:26:43,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:26:43,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:26:43,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:26:43,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:26:43,540 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:26:43,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:26:43,542 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:26:43,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:26:43,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:26:43,543 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:26:43,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:26:43,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:26:43,544 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:26:43,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:26:43,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:26:43,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:26:43,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:26:43,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:26:43,547 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:26:43,547 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:26:43,547 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:26:43,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:26:43,547 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:26:43,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:26:43,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:26:43,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:26:43,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:26:43,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:26:43,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:26:43,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:26:43,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:26:43,549 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:26:43,550 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:26:43,550 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:26:43,550 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:26:43,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:26:43,551 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:26:43,551 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d25a5fddccc283f641b7212d7cb4f798f6892ab426c5d600c12492c2922640af [2022-11-20 11:26:43,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:26:43,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:26:43,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:26:43,965 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:26:43,965 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:26:43,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i [2022-11-20 11:26:47,099 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:26:47,930 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:26:47,930 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i [2022-11-20 11:26:47,989 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/data/ab9602656/ea51f170d2d94ce2a7de06dcfb30c305/FLAGdfb775f4e [2022-11-20 11:26:48,009 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/data/ab9602656/ea51f170d2d94ce2a7de06dcfb30c305 [2022-11-20 11:26:48,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:26:48,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:26:48,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:26:48,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:26:48,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:26:48,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:26:48" (1/1) ... [2022-11-20 11:26:48,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f78cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:48, skipping insertion in model container [2022-11-20 11:26:48,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:26:48" (1/1) ... [2022-11-20 11:26:48,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:26:48,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:26:53,155 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491154,491167] [2022-11-20 11:26:53,160 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491299,491312] [2022-11-20 11:26:53,160 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491445,491458] [2022-11-20 11:26:53,161 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491610,491623] [2022-11-20 11:26:53,161 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491768,491781] [2022-11-20 11:26:53,162 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491926,491939] [2022-11-20 11:26:53,162 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492084,492097] [2022-11-20 11:26:53,163 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492244,492257] [2022-11-20 11:26:53,163 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492403,492416] [2022-11-20 11:26:53,164 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492542,492555] [2022-11-20 11:26:53,164 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492684,492697] [2022-11-20 11:26:53,165 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492833,492846] [2022-11-20 11:26:53,165 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492972,492985] [2022-11-20 11:26:53,166 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493127,493140] [2022-11-20 11:26:53,166 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493287,493300] [2022-11-20 11:26:53,167 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493438,493451] [2022-11-20 11:26:53,167 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493589,493602] [2022-11-20 11:26:53,168 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493741,493754] [2022-11-20 11:26:53,168 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493890,493903] [2022-11-20 11:26:53,169 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494038,494051] [2022-11-20 11:26:53,169 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494195,494208] [2022-11-20 11:26:53,170 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494344,494357] [2022-11-20 11:26:53,170 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494500,494513] [2022-11-20 11:26:53,171 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494653,494666] [2022-11-20 11:26:53,171 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494799,494812] [2022-11-20 11:26:53,172 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494942,494955] [2022-11-20 11:26:53,172 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495094,495107] [2022-11-20 11:26:53,173 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495240,495253] [2022-11-20 11:26:53,173 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495385,495398] [2022-11-20 11:26:53,174 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495539,495552] [2022-11-20 11:26:53,174 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495690,495703] [2022-11-20 11:26:53,175 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495845,495858] [2022-11-20 11:26:53,175 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495997,496010] [2022-11-20 11:26:53,175 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496152,496165] [2022-11-20 11:26:53,176 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496316,496329] [2022-11-20 11:26:53,176 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496472,496485] [2022-11-20 11:26:53,177 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496636,496649] [2022-11-20 11:26:53,177 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496778,496791] [2022-11-20 11:26:53,178 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496936,496949] [2022-11-20 11:26:53,178 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497103,497116] [2022-11-20 11:26:53,179 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497262,497275] [2022-11-20 11:26:53,179 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497421,497434] [2022-11-20 11:26:53,180 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497570,497583] [2022-11-20 11:26:53,180 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497717,497730] [2022-11-20 11:26:53,181 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497856,497869] [2022-11-20 11:26:53,181 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498019,498032] [2022-11-20 11:26:53,182 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498185,498198] [2022-11-20 11:26:53,182 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498349,498362] [2022-11-20 11:26:53,183 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498514,498527] [2022-11-20 11:26:53,183 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498679,498692] [2022-11-20 11:26:53,183 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498845,498858] [2022-11-20 11:26:53,184 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499010,499023] [2022-11-20 11:26:53,184 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499177,499190] [2022-11-20 11:26:53,185 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499337,499350] [2022-11-20 11:26:53,185 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499499,499512] [2022-11-20 11:26:53,186 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499658,499671] [2022-11-20 11:26:53,186 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499804,499817] [2022-11-20 11:26:53,187 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499947,499960] [2022-11-20 11:26:53,187 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500091,500104] [2022-11-20 11:26:53,187 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500234,500247] [2022-11-20 11:26:53,188 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500378,500391] [2022-11-20 11:26:53,188 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500519,500532] [2022-11-20 11:26:53,189 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500657,500670] [2022-11-20 11:26:53,189 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500815,500828] [2022-11-20 11:26:53,190 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500974,500987] [2022-11-20 11:26:53,190 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501130,501143] [2022-11-20 11:26:53,191 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501279,501292] [2022-11-20 11:26:53,191 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501431,501444] [2022-11-20 11:26:53,192 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501582,501595] [2022-11-20 11:26:53,192 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501731,501744] [2022-11-20 11:26:53,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501883,501896] [2022-11-20 11:26:53,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502031,502044] [2022-11-20 11:26:53,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502184,502197] [2022-11-20 11:26:53,194 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502335,502348] [2022-11-20 11:26:53,194 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502485,502498] [2022-11-20 11:26:53,195 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502632,502645] [2022-11-20 11:26:53,195 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502783,502796] [2022-11-20 11:26:53,196 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502934,502947] [2022-11-20 11:26:53,196 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503082,503095] [2022-11-20 11:26:53,197 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503248,503261] [2022-11-20 11:26:53,197 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503417,503430] [2022-11-20 11:26:53,198 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503584,503597] [2022-11-20 11:26:53,198 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503752,503765] [2022-11-20 11:26:53,199 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503902,503915] [2022-11-20 11:26:53,199 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504049,504062] [2022-11-20 11:26:53,199 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504210,504223] [2022-11-20 11:26:53,200 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504380,504393] [2022-11-20 11:26:53,200 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504542,504555] [2022-11-20 11:26:53,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:26:53,323 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 11:26:53,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:26:53,912 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491154,491167] [2022-11-20 11:26:53,913 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491299,491312] [2022-11-20 11:26:53,913 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491445,491458] [2022-11-20 11:26:53,914 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491610,491623] [2022-11-20 11:26:53,914 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491768,491781] [2022-11-20 11:26:53,915 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491926,491939] [2022-11-20 11:26:53,915 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492084,492097] [2022-11-20 11:26:53,916 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492244,492257] [2022-11-20 11:26:53,916 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492403,492416] [2022-11-20 11:26:53,916 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492542,492555] [2022-11-20 11:26:53,917 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492684,492697] [2022-11-20 11:26:53,917 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492833,492846] [2022-11-20 11:26:53,918 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492972,492985] [2022-11-20 11:26:53,918 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493127,493140] [2022-11-20 11:26:53,918 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493287,493300] [2022-11-20 11:26:53,919 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493438,493451] [2022-11-20 11:26:53,919 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493589,493602] [2022-11-20 11:26:53,920 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493741,493754] [2022-11-20 11:26:53,920 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493890,493903] [2022-11-20 11:26:53,921 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494038,494051] [2022-11-20 11:26:53,921 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494195,494208] [2022-11-20 11:26:53,921 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494344,494357] [2022-11-20 11:26:53,922 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494500,494513] [2022-11-20 11:26:53,922 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494653,494666] [2022-11-20 11:26:53,923 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494799,494812] [2022-11-20 11:26:53,923 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494942,494955] [2022-11-20 11:26:53,923 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495094,495107] [2022-11-20 11:26:53,924 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495240,495253] [2022-11-20 11:26:53,924 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495385,495398] [2022-11-20 11:26:53,925 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495539,495552] [2022-11-20 11:26:53,925 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495690,495703] [2022-11-20 11:26:53,925 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495845,495858] [2022-11-20 11:26:53,926 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495997,496010] [2022-11-20 11:26:53,926 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496152,496165] [2022-11-20 11:26:53,927 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496316,496329] [2022-11-20 11:26:53,927 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496472,496485] [2022-11-20 11:26:53,928 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496636,496649] [2022-11-20 11:26:53,928 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496778,496791] [2022-11-20 11:26:53,928 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496936,496949] [2022-11-20 11:26:53,929 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497103,497116] [2022-11-20 11:26:53,929 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497262,497275] [2022-11-20 11:26:53,930 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497421,497434] [2022-11-20 11:26:53,930 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497570,497583] [2022-11-20 11:26:53,930 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497717,497730] [2022-11-20 11:26:53,931 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497856,497869] [2022-11-20 11:26:53,931 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498019,498032] [2022-11-20 11:26:53,932 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498185,498198] [2022-11-20 11:26:53,932 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498349,498362] [2022-11-20 11:26:53,933 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498514,498527] [2022-11-20 11:26:53,933 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498679,498692] [2022-11-20 11:26:53,933 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498845,498858] [2022-11-20 11:26:53,934 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499010,499023] [2022-11-20 11:26:53,934 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499177,499190] [2022-11-20 11:26:53,935 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499337,499350] [2022-11-20 11:26:53,935 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499499,499512] [2022-11-20 11:26:53,935 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499658,499671] [2022-11-20 11:26:53,936 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499804,499817] [2022-11-20 11:26:53,936 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499947,499960] [2022-11-20 11:26:53,937 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500091,500104] [2022-11-20 11:26:53,937 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500234,500247] [2022-11-20 11:26:53,938 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500378,500391] [2022-11-20 11:26:53,938 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500519,500532] [2022-11-20 11:26:53,939 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500657,500670] [2022-11-20 11:26:53,939 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500815,500828] [2022-11-20 11:26:53,939 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500974,500987] [2022-11-20 11:26:53,940 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501130,501143] [2022-11-20 11:26:53,940 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501279,501292] [2022-11-20 11:26:53,941 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501431,501444] [2022-11-20 11:26:53,941 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501582,501595] [2022-11-20 11:26:53,941 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501731,501744] [2022-11-20 11:26:53,942 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501883,501896] [2022-11-20 11:26:53,942 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502031,502044] [2022-11-20 11:26:53,943 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502184,502197] [2022-11-20 11:26:53,943 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502335,502348] [2022-11-20 11:26:53,944 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502485,502498] [2022-11-20 11:26:53,944 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502632,502645] [2022-11-20 11:26:53,944 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502783,502796] [2022-11-20 11:26:53,945 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502934,502947] [2022-11-20 11:26:53,945 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503082,503095] [2022-11-20 11:26:53,946 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503248,503261] [2022-11-20 11:26:53,946 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503417,503430] [2022-11-20 11:26:53,946 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503584,503597] [2022-11-20 11:26:53,947 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503752,503765] [2022-11-20 11:26:53,947 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503902,503915] [2022-11-20 11:26:53,948 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504049,504062] [2022-11-20 11:26:53,948 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504210,504223] [2022-11-20 11:26:53,948 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504380,504393] [2022-11-20 11:26:53,949 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504542,504555] [2022-11-20 11:26:53,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:26:53,996 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:26:54,684 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491154,491167] [2022-11-20 11:26:54,684 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491299,491312] [2022-11-20 11:26:54,685 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491445,491458] [2022-11-20 11:26:54,685 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491610,491623] [2022-11-20 11:26:54,686 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491768,491781] [2022-11-20 11:26:54,686 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491926,491939] [2022-11-20 11:26:54,686 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492084,492097] [2022-11-20 11:26:54,687 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492244,492257] [2022-11-20 11:26:54,688 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492403,492416] [2022-11-20 11:26:54,688 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492542,492555] [2022-11-20 11:26:54,689 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492684,492697] [2022-11-20 11:26:54,689 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492833,492846] [2022-11-20 11:26:54,690 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492972,492985] [2022-11-20 11:26:54,690 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493127,493140] [2022-11-20 11:26:54,691 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493287,493300] [2022-11-20 11:26:54,691 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493438,493451] [2022-11-20 11:26:54,692 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493589,493602] [2022-11-20 11:26:54,693 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493741,493754] [2022-11-20 11:26:54,693 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493890,493903] [2022-11-20 11:26:54,694 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494038,494051] [2022-11-20 11:26:54,694 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494195,494208] [2022-11-20 11:26:54,694 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494344,494357] [2022-11-20 11:26:54,695 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494500,494513] [2022-11-20 11:26:54,695 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494653,494666] [2022-11-20 11:26:54,695 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494799,494812] [2022-11-20 11:26:54,696 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494942,494955] [2022-11-20 11:26:54,696 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495094,495107] [2022-11-20 11:26:54,696 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495240,495253] [2022-11-20 11:26:54,697 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495385,495398] [2022-11-20 11:26:54,697 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495539,495552] [2022-11-20 11:26:54,697 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495690,495703] [2022-11-20 11:26:54,697 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495845,495858] [2022-11-20 11:26:54,698 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495997,496010] [2022-11-20 11:26:54,698 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496152,496165] [2022-11-20 11:26:54,698 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496316,496329] [2022-11-20 11:26:54,698 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496472,496485] [2022-11-20 11:26:54,699 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496636,496649] [2022-11-20 11:26:54,699 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496778,496791] [2022-11-20 11:26:54,699 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496936,496949] [2022-11-20 11:26:54,700 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497103,497116] [2022-11-20 11:26:54,700 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497262,497275] [2022-11-20 11:26:54,700 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_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497421,497434] [2022-11-20 11:26:54,701 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497570,497583] [2022-11-20 11:26:54,701 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497717,497730] [2022-11-20 11:26:54,701 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497856,497869] [2022-11-20 11:26:54,702 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498019,498032] [2022-11-20 11:26:54,702 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498185,498198] [2022-11-20 11:26:54,702 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498349,498362] [2022-11-20 11:26:54,703 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498514,498527] [2022-11-20 11:26:54,703 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498679,498692] [2022-11-20 11:26:54,703 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498845,498858] [2022-11-20 11:26:54,704 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499010,499023] [2022-11-20 11:26:54,704 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499177,499190] [2022-11-20 11:26:54,704 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499337,499350] [2022-11-20 11:26:54,705 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499499,499512] [2022-11-20 11:26:54,705 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499658,499671] [2022-11-20 11:26:54,705 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499804,499817] [2022-11-20 11:26:54,705 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499947,499960] [2022-11-20 11:26:54,706 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500091,500104] [2022-11-20 11:26:54,706 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500234,500247] [2022-11-20 11:26:54,706 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500378,500391] [2022-11-20 11:26:54,707 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500519,500532] [2022-11-20 11:26:54,707 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500657,500670] [2022-11-20 11:26:54,707 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500815,500828] [2022-11-20 11:26:54,708 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500974,500987] [2022-11-20 11:26:54,708 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501130,501143] [2022-11-20 11:26:54,708 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501279,501292] [2022-11-20 11:26:54,709 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501431,501444] [2022-11-20 11:26:54,709 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501582,501595] [2022-11-20 11:26:54,709 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501731,501744] [2022-11-20 11:26:54,710 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501883,501896] [2022-11-20 11:26:54,710 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502031,502044] [2022-11-20 11:26:54,710 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502184,502197] [2022-11-20 11:26:54,711 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502335,502348] [2022-11-20 11:26:54,711 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502485,502498] [2022-11-20 11:26:54,711 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502632,502645] [2022-11-20 11:26:54,711 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502783,502796] [2022-11-20 11:26:54,712 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502934,502947] [2022-11-20 11:26:54,712 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503082,503095] [2022-11-20 11:26:54,712 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503248,503261] [2022-11-20 11:26:54,713 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503417,503430] [2022-11-20 11:26:54,713 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503584,503597] [2022-11-20 11:26:54,713 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503752,503765] [2022-11-20 11:26:54,713 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503902,503915] [2022-11-20 11:26:54,714 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504049,504062] [2022-11-20 11:26:54,714 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504210,504223] [2022-11-20 11:26:54,714 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504380,504393] [2022-11-20 11:26:54,715 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504542,504555] [2022-11-20 11:26:54,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:26:55,039 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:26:55,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:55 WrapperNode [2022-11-20 11:26:55,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:26:55,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:26:55,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:26:55,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:26:55,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:55" (1/1) ... [2022-11-20 11:26:55,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:55" (1/1) ... [2022-11-20 11:26:55,466 INFO L138 Inliner]: procedures = 702, calls = 4509, calls flagged for inlining = 318, calls inlined = 208, statements flattened = 7004 [2022-11-20 11:26:55,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:26:55,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:26:55,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:26:55,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:26:55,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:55" (1/1) ... [2022-11-20 11:26:55,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:55" (1/1) ... [2022-11-20 11:26:55,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:55" (1/1) ... [2022-11-20 11:26:55,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:55" (1/1) ... [2022-11-20 11:26:55,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:55" (1/1) ... [2022-11-20 11:26:55,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:55" (1/1) ... [2022-11-20 11:26:55,814 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:55" (1/1) ... [2022-11-20 11:26:55,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:55" (1/1) ... [2022-11-20 11:26:55,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:26:55,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:26:55,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:26:55,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:26:55,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:55" (1/1) ... [2022-11-20 11:26:55,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:26:55,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:26:55,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:26:55,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 11:26:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 11:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 11:26:55,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 11:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_txskb [2022-11-20 11:26:55,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_txskb [2022-11-20 11:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:26:55,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 11:26:55,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 11:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-11-20 11:26:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-11-20 11:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cancel_rx_cmd [2022-11-20 11:26:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cancel_rx_cmd [2022-11-20 11:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 11:26:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 11:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_get_capability [2022-11-20 11:26:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_get_capability [2022-11-20 11:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 11:26:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 11:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-20 11:26:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-20 11:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 11:26:55,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 11:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_set_rxfilter [2022-11-20 11:26:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_set_rxfilter [2022-11-20 11:26:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_start [2022-11-20 11:26:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_start [2022-11-20 11:26:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-20 11:26:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-20 11:26:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 11:26:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 11:26:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cmd_write [2022-11-20 11:26:55,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cmd_write [2022-11-20 11:26:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2022-11-20 11:26:55,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2022-11-20 11:26:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_get_status [2022-11-20 11:26:55,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_get_status [2022-11-20 11:26:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 11:26:55,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 11:26:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 11:26:55,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 11:26:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-20 11:26:55,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-20 11:26:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 11:26:55,999 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 11:26:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_config [2022-11-20 11:26:55,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_config [2022-11-20 11:26:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_rx_data_list_lock_of_ar5523 [2022-11-20 11:26:56,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_rx_data_list_lock_of_ar5523 [2022-11-20 11:26:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:26:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 11:26:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:26:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 11:26:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 11:26:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-20 11:26:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-20 11:26:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-20 11:26:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-20 11:26:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 11:26:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 11:26:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-20 11:26:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-20 11:26:56,002 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-11-20 11:26:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-11-20 11:26:56,002 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_data_tx_pkt_put [2022-11-20 11:26:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_data_tx_pkt_put [2022-11-20 11:26:56,002 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_create_rateset [2022-11-20 11:26:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_create_rateset [2022-11-20 11:26:56,002 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 11:26:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 11:26:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_set_ledsteady [2022-11-20 11:26:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_set_ledsteady [2022-11-20 11:26:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-20 11:26:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-20 11:26:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 11:26:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 11:26:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_free_rx_bufs [2022-11-20 11:26:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_free_rx_bufs [2022-11-20 11:26:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 11:26:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 11:26:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 11:26:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 11:26:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-20 11:26:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-20 11:26:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 11:26:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 11:26:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_ar5523 [2022-11-20 11:26:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_ar5523 [2022-11-20 11:26:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 11:26:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 11:26:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-20 11:26:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-20 11:26:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 11:26:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 11:26:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_disconnect [2022-11-20 11:26:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_disconnect [2022-11-20 11:26:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-20 11:26:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-20 11:26:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 11:26:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 11:26:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 11:26:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 11:26:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:26:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-20 11:26:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-20 11:26:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-20 11:26:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-20 11:26:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:26:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-20 11:26:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-20 11:26:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 11:26:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 11:26:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:26:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 11:26:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 11:26:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 11:26:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 11:26:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 11:26:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-20 11:26:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-20 11:26:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-20 11:26:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-20 11:26:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-20 11:26:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-20 11:26:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 11:26:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 11:26:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2022-11-20 11:26:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2022-11-20 11:26:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 11:26:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 11:26:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 11:26:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_ar5523 [2022-11-20 11:26:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_ar5523 [2022-11-20 11:26:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:26:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:26:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-20 11:26:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-20 11:26:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 11:26:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 11:26:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_submit_rx_cmd [2022-11-20 11:26:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_submit_rx_cmd [2022-11-20 11:26:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 11:26:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 11:26:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 11:26:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 11:26:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 11:26:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 11:26:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-20 11:26:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-20 11:26:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 11:26:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 11:26:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-11-20 11:26:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-11-20 11:26:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_143 [2022-11-20 11:26:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_143 [2022-11-20 11:26:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-20 11:26:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-20 11:26:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cmd_read [2022-11-20 11:26:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cmd_read [2022-11-20 11:26:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-20 11:26:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-20 11:26:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_131 [2022-11-20 11:26:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_131 [2022-11-20 11:26:56,020 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-20 11:26:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-20 11:26:56,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_tx_data_list_lock_of_ar5523 [2022-11-20 11:26:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_tx_data_list_lock_of_ar5523 [2022-11-20 11:26:56,020 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 11:26:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 11:26:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 11:26:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 11:26:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-20 11:26:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-20 11:26:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-11-20 11:26:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-11-20 11:26:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 11:26:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 11:26:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_free_rx_cmd [2022-11-20 11:26:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_free_rx_cmd [2022-11-20 11:26:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:26:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 11:26:56,023 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 11:26:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 11:26:56,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 11:26:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_switch_chan [2022-11-20 11:26:56,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_switch_chan [2022-11-20 11:26:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2022-11-20 11:26:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2022-11-20 11:26:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:26:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-11-20 11:26:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-11-20 11:26:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 11:26:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 11:26:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 11:26:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 11:26:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:26:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_tx_work_locked [2022-11-20 11:26:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_tx_work_locked [2022-11-20 11:26:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-20 11:26:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-20 11:26:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 11:26:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 11:26:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-20 11:26:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-20 11:26:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 11:26:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 11:26:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-20 11:26:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-20 11:26:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-20 11:26:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-20 11:26:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-20 11:26:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-20 11:26:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-11-20 11:26:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-11-20 11:26:56,028 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-11-20 11:26:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-11-20 11:26:56,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 11:26:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 11:26:56,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-20 11:26:56,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-20 11:26:56,029 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_stop [2022-11-20 11:26:56,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_stop [2022-11-20 11:26:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 11:26:56,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 11:26:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-20 11:26:56,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-20 11:26:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_flush_tx [2022-11-20 11:26:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_flush_tx [2022-11-20 11:26:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-20 11:26:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-20 11:26:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 11:26:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 11:26:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cancel_rx_bufs [2022-11-20 11:26:56,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cancel_rx_bufs [2022-11-20 11:26:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 11:26:56,035 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 11:26:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 11:26:56,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 11:26:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 11:26:56,035 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 11:26:56,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-20 11:26:56,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-20 11:26:56,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 11:26:56,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 11:26:56,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 11:26:56,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 11:26:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 11:26:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 11:26:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:26:56,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:26:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 11:26:56,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 11:26:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-20 11:26:56,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-20 11:26:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-20 11:26:56,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-20 11:26:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-20 11:26:56,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-20 11:26:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_free_tx_cmd [2022-11-20 11:26:56,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_free_tx_cmd [2022-11-20 11:26:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 11:26:56,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 11:26:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-20 11:26:56,039 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-20 11:26:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 11:26:56,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 11:26:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-20 11:26:56,040 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-20 11:26:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-20 11:26:56,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-20 11:26:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-20 11:26:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cmd [2022-11-20 11:26:56,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cmd [2022-11-20 11:26:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-20 11:26:56,041 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-20 11:26:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-20 11:26:56,041 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-20 11:26:57,215 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:26:57,219 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:26:59,688 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 11:27:52,481 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:27:52,499 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:27:52,499 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:27:52,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:27:52 BoogieIcfgContainer [2022-11-20 11:27:52,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:27:52,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:27:52,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:27:52,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:27:52,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:26:48" (1/3) ... [2022-11-20 11:27:52,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50559819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:27:52, skipping insertion in model container [2022-11-20 11:27:52,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:55" (2/3) ... [2022-11-20 11:27:52,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50559819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:27:52, skipping insertion in model container [2022-11-20 11:27:52,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:27:52" (3/3) ... [2022-11-20 11:27:52,512 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i [2022-11-20 11:27:52,531 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:27:52,531 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-20 11:27:52,628 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:27:52,634 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;@2dc4525a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:27:52,634 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-11-20 11:27:52,648 INFO L276 IsEmpty]: Start isEmpty. Operand has 1856 states, 1179 states have (on average 1.2510602205258694) internal successors, (1475), 1234 states have internal predecessors, (1475), 520 states have call successors, (520), 123 states have call predecessors, (520), 122 states have return successors, (516), 514 states have call predecessors, (516), 516 states have call successors, (516) [2022-11-20 11:27:52,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 11:27:52,661 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:52,661 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:52,662 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:27:52,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:52,669 INFO L85 PathProgramCache]: Analyzing trace with hash 247329107, now seen corresponding path program 1 times [2022-11-20 11:27:52,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:27:52,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [532040957] [2022-11-20 11:27:52,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:52,695 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 11:27:52,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:27:52,703 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:27:52,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:27:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:56,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 4738 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:27:56,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:57,664 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:27:57,665 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:27:57,665 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:27:57,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [532040957] [2022-11-20 11:27:57,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [532040957] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:57,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:57,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:27:57,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370995161] [2022-11-20 11:27:57,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:57,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:27:57,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:27:57,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:27:57,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:27:57,704 INFO L87 Difference]: Start difference. First operand has 1856 states, 1179 states have (on average 1.2510602205258694) internal successors, (1475), 1234 states have internal predecessors, (1475), 520 states have call successors, (520), 123 states have call predecessors, (520), 122 states have return successors, (516), 514 states have call predecessors, (516), 516 states have call successors, (516) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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 11:27:58,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:58,058 INFO L93 Difference]: Finished difference Result 3637 states and 5122 transitions. [2022-11-20 11:27:58,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:27:58,061 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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 71 [2022-11-20 11:27:58,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:58,094 INFO L225 Difference]: With dead ends: 3637 [2022-11-20 11:27:58,095 INFO L226 Difference]: Without dead ends: 1839 [2022-11-20 11:27:58,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 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 11:27:58,115 INFO L413 NwaCegarLoop]: 2469 mSDtfsCounter, 2417 mSDsluCounter, 2467 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2419 SdHoareTripleChecker+Valid, 4936 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:58,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2419 Valid, 4936 Invalid, 2 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:27:58,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1839 states. [2022-11-20 11:27:58,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1839 to 1839. [2022-11-20 11:27:58,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1839 states, 1169 states have (on average 1.2189905902480753) internal successors, (1425), 1220 states have internal predecessors, (1425), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-20 11:27:58,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 2455 transitions. [2022-11-20 11:27:58,342 INFO L78 Accepts]: Start accepts. Automaton has 1839 states and 2455 transitions. Word has length 71 [2022-11-20 11:27:58,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:58,343 INFO L495 AbstractCegarLoop]: Abstraction has 1839 states and 2455 transitions. [2022-11-20 11:27:58,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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 11:27:58,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2455 transitions. [2022-11-20 11:27:58,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 11:27:58,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:58,354 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:58,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:27:58,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:27:58,555 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:27:58,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:58,556 INFO L85 PathProgramCache]: Analyzing trace with hash 288911124, now seen corresponding path program 1 times [2022-11-20 11:27:58,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:27:58,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2050415431] [2022-11-20 11:27:58,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:58,615 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 11:27:58,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:27:58,618 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:27:58,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:28:02,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 4747 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:28:02,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:28:03,410 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:28:03,410 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:28:03,410 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:28:03,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2050415431] [2022-11-20 11:28:03,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2050415431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:28:03,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:28:03,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:28:03,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903781453] [2022-11-20 11:28:03,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:28:03,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:28:03,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:28:03,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:28:03,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:28:03,414 INFO L87 Difference]: Start difference. First operand 1839 states and 2455 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 11:28:03,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:28:03,640 INFO L93 Difference]: Finished difference Result 1839 states and 2455 transitions. [2022-11-20 11:28:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:28:03,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 77 [2022-11-20 11:28:03,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:28:03,655 INFO L225 Difference]: With dead ends: 1839 [2022-11-20 11:28:03,655 INFO L226 Difference]: Without dead ends: 1837 [2022-11-20 11:28:03,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 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 11:28:03,657 INFO L413 NwaCegarLoop]: 2451 mSDtfsCounter, 2393 mSDsluCounter, 2449 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2395 SdHoareTripleChecker+Valid, 4900 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 11:28:03,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2395 Valid, 4900 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:28:03,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1837 states. [2022-11-20 11:28:03,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1837 to 1837. [2022-11-20 11:28:03,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1837 states, 1168 states have (on average 1.2183219178082192) internal successors, (1423), 1218 states have internal predecessors, (1423), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-20 11:28:03,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1837 states and 2453 transitions. [2022-11-20 11:28:03,778 INFO L78 Accepts]: Start accepts. Automaton has 1837 states and 2453 transitions. Word has length 77 [2022-11-20 11:28:03,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:28:03,781 INFO L495 AbstractCegarLoop]: Abstraction has 1837 states and 2453 transitions. [2022-11-20 11:28:03,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 11:28:03,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2453 transitions. [2022-11-20 11:28:03,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 11:28:03,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:28:03,785 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:28:03,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:03,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:03,999 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:28:03,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:28:03,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1745773509, now seen corresponding path program 1 times [2022-11-20 11:28:04,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:28:04,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [35790578] [2022-11-20 11:28:04,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:28:04,005 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 11:28:04,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:28:04,007 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:04,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:28:08,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 4756 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:28:08,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:28:08,576 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:28:08,576 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:28:08,576 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:28:08,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [35790578] [2022-11-20 11:28:08,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [35790578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:28:08,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:28:08,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:28:08,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036665850] [2022-11-20 11:28:08,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:28:08,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:28:08,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:28:08,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:28:08,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:28:08,578 INFO L87 Difference]: Start difference. First operand 1837 states and 2453 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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 11:28:08,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:28:08,765 INFO L93 Difference]: Finished difference Result 1837 states and 2453 transitions. [2022-11-20 11:28:08,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:28:08,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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 83 [2022-11-20 11:28:08,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:28:08,776 INFO L225 Difference]: With dead ends: 1837 [2022-11-20 11:28:08,777 INFO L226 Difference]: Without dead ends: 1835 [2022-11-20 11:28:08,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 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 11:28:08,783 INFO L413 NwaCegarLoop]: 2449 mSDtfsCounter, 2385 mSDsluCounter, 2447 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2387 SdHoareTripleChecker+Valid, 4896 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 11:28:08,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2387 Valid, 4896 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:28:08,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1835 states. [2022-11-20 11:28:08,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 1835. [2022-11-20 11:28:08,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1835 states, 1167 states have (on average 1.2176520994001714) internal successors, (1421), 1216 states have internal predecessors, (1421), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-20 11:28:08,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2451 transitions. [2022-11-20 11:28:08,952 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2451 transitions. Word has length 83 [2022-11-20 11:28:08,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:28:08,954 INFO L495 AbstractCegarLoop]: Abstraction has 1835 states and 2451 transitions. [2022-11-20 11:28:08,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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 11:28:08,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2451 transitions. [2022-11-20 11:28:08,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-20 11:28:08,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:28:08,957 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:28:09,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:09,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:09,167 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:28:09,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:28:09,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1191986588, now seen corresponding path program 1 times [2022-11-20 11:28:09,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:28:09,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504285175] [2022-11-20 11:28:09,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:28:09,172 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 11:28:09,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:28:09,173 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:09,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:28:13,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 4765 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:28:13,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:28:13,743 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:28:13,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:28:13,744 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:28:13,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504285175] [2022-11-20 11:28:13,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1504285175] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:28:13,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:28:13,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:28:13,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664571965] [2022-11-20 11:28:13,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:28:13,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:28:13,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:28:13,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:28:13,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:28:13,747 INFO L87 Difference]: Start difference. First operand 1835 states and 2451 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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 11:28:13,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:28:13,947 INFO L93 Difference]: Finished difference Result 1835 states and 2451 transitions. [2022-11-20 11:28:13,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:28:13,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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 89 [2022-11-20 11:28:13,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:28:13,959 INFO L225 Difference]: With dead ends: 1835 [2022-11-20 11:28:13,959 INFO L226 Difference]: Without dead ends: 1833 [2022-11-20 11:28:13,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 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 11:28:13,963 INFO L413 NwaCegarLoop]: 2447 mSDtfsCounter, 2377 mSDsluCounter, 2445 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2379 SdHoareTripleChecker+Valid, 4892 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 11:28:13,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2379 Valid, 4892 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:28:13,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1833 states. [2022-11-20 11:28:14,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1833 to 1833. [2022-11-20 11:28:14,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1833 states, 1166 states have (on average 1.2169811320754718) internal successors, (1419), 1214 states have internal predecessors, (1419), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-20 11:28:14,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2449 transitions. [2022-11-20 11:28:14,174 INFO L78 Accepts]: Start accepts. Automaton has 1833 states and 2449 transitions. Word has length 89 [2022-11-20 11:28:14,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:28:14,175 INFO L495 AbstractCegarLoop]: Abstraction has 1833 states and 2449 transitions. [2022-11-20 11:28:14,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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 11:28:14,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2449 transitions. [2022-11-20 11:28:14,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-20 11:28:14,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:28:14,183 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:28:14,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:14,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:14,391 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:28:14,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:28:14,391 INFO L85 PathProgramCache]: Analyzing trace with hash 500941519, now seen corresponding path program 1 times [2022-11-20 11:28:14,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:28:14,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065637326] [2022-11-20 11:28:14,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:28:14,397 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 11:28:14,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:28:14,399 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:14,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:28:18,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 4774 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:28:18,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:28:19,053 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:28:19,053 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:28:19,053 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:28:19,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2065637326] [2022-11-20 11:28:19,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2065637326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:28:19,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:28:19,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:28:19,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409307319] [2022-11-20 11:28:19,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:28:19,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:28:19,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:28:19,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:28:19,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:28:19,056 INFO L87 Difference]: Start difference. First operand 1833 states and 2449 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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 11:28:19,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:28:19,283 INFO L93 Difference]: Finished difference Result 1833 states and 2449 transitions. [2022-11-20 11:28:19,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:28:19,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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 95 [2022-11-20 11:28:19,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:28:19,293 INFO L225 Difference]: With dead ends: 1833 [2022-11-20 11:28:19,294 INFO L226 Difference]: Without dead ends: 1831 [2022-11-20 11:28:19,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 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 11:28:19,295 INFO L413 NwaCegarLoop]: 2445 mSDtfsCounter, 2369 mSDsluCounter, 2443 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2371 SdHoareTripleChecker+Valid, 4888 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 11:28:19,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2371 Valid, 4888 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:28:19,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1831 states. [2022-11-20 11:28:19,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1831 to 1831. [2022-11-20 11:28:19,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1831 states, 1165 states have (on average 1.2163090128755365) internal successors, (1417), 1212 states have internal predecessors, (1417), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-20 11:28:19,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1831 states and 2447 transitions. [2022-11-20 11:28:19,458 INFO L78 Accepts]: Start accepts. Automaton has 1831 states and 2447 transitions. Word has length 95 [2022-11-20 11:28:19,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:28:19,460 INFO L495 AbstractCegarLoop]: Abstraction has 1831 states and 2447 transitions. [2022-11-20 11:28:19,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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 11:28:19,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2447 transitions. [2022-11-20 11:28:19,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-20 11:28:19,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:28:19,462 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:28:19,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:19,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:19,671 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:28:19,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:28:19,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1039890908, now seen corresponding path program 1 times [2022-11-20 11:28:19,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:28:19,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13012037] [2022-11-20 11:28:19,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:28:19,677 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 11:28:19,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:28:19,679 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:19,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:28:23,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 4783 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:28:23,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:28:24,279 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:28:24,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:28:24,279 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:28:24,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13012037] [2022-11-20 11:28:24,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [13012037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:28:24,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:28:24,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:28:24,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397566227] [2022-11-20 11:28:24,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:28:24,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:28:24,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:28:24,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:28:24,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:28:24,282 INFO L87 Difference]: Start difference. First operand 1831 states and 2447 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 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 11:28:24,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:28:24,527 INFO L93 Difference]: Finished difference Result 1831 states and 2447 transitions. [2022-11-20 11:28:24,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:28:24,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 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 101 [2022-11-20 11:28:24,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:28:24,537 INFO L225 Difference]: With dead ends: 1831 [2022-11-20 11:28:24,537 INFO L226 Difference]: Without dead ends: 1829 [2022-11-20 11:28:24,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 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 11:28:24,540 INFO L413 NwaCegarLoop]: 2443 mSDtfsCounter, 2361 mSDsluCounter, 2441 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2363 SdHoareTripleChecker+Valid, 4884 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 11:28:24,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2363 Valid, 4884 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:28:24,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1829 states. [2022-11-20 11:28:24,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1829 to 1829. [2022-11-20 11:28:24,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1829 states, 1164 states have (on average 1.215635738831615) internal successors, (1415), 1210 states have internal predecessors, (1415), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-20 11:28:24,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1829 states and 2445 transitions. [2022-11-20 11:28:24,726 INFO L78 Accepts]: Start accepts. Automaton has 1829 states and 2445 transitions. Word has length 101 [2022-11-20 11:28:24,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:28:24,726 INFO L495 AbstractCegarLoop]: Abstraction has 1829 states and 2445 transitions. [2022-11-20 11:28:24,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 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 11:28:24,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2445 transitions. [2022-11-20 11:28:24,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-20 11:28:24,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:28:24,729 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:28:24,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:24,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:24,951 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:28:24,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:28:24,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1985379958, now seen corresponding path program 1 times [2022-11-20 11:28:24,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:28:24,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068517485] [2022-11-20 11:28:24,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:28:24,957 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 11:28:24,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:28:24,959 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:25,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:28:29,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 4792 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:28:29,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:28:29,799 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:28:29,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:28:29,800 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:28:29,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068517485] [2022-11-20 11:28:29,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1068517485] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:28:29,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:28:29,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:28:29,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344591710] [2022-11-20 11:28:29,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:28:29,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:28:29,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:28:29,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:28:29,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:28:29,802 INFO L87 Difference]: Start difference. First operand 1829 states and 2445 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 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 11:28:30,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:28:30,033 INFO L93 Difference]: Finished difference Result 1829 states and 2445 transitions. [2022-11-20 11:28:30,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:28:30,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 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 107 [2022-11-20 11:28:30,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:28:30,045 INFO L225 Difference]: With dead ends: 1829 [2022-11-20 11:28:30,045 INFO L226 Difference]: Without dead ends: 1827 [2022-11-20 11:28:30,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 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 11:28:30,047 INFO L413 NwaCegarLoop]: 2441 mSDtfsCounter, 2353 mSDsluCounter, 2439 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 4880 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 11:28:30,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2355 Valid, 4880 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:28:30,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2022-11-20 11:28:30,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 1827. [2022-11-20 11:28:30,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1827 states, 1163 states have (on average 1.2149613069647462) internal successors, (1413), 1208 states have internal predecessors, (1413), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-20 11:28:30,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2443 transitions. [2022-11-20 11:28:30,306 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2443 transitions. Word has length 107 [2022-11-20 11:28:30,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:28:30,307 INFO L495 AbstractCegarLoop]: Abstraction has 1827 states and 2443 transitions. [2022-11-20 11:28:30,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 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 11:28:30,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2443 transitions. [2022-11-20 11:28:30,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-20 11:28:30,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:28:30,310 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:28:30,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:30,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:30,527 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:28:30,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:28:30,527 INFO L85 PathProgramCache]: Analyzing trace with hash -2017725134, now seen corresponding path program 1 times [2022-11-20 11:28:30,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:28:30,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191730023] [2022-11-20 11:28:30,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:28:30,533 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 11:28:30,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:28:30,535 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:30,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:28:34,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 4801 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:28:34,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:28:35,365 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:28:35,365 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:28:35,365 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:28:35,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [191730023] [2022-11-20 11:28:35,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [191730023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:28:35,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:28:35,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:28:35,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474178843] [2022-11-20 11:28:35,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:28:35,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:28:35,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:28:35,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:28:35,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:28:35,368 INFO L87 Difference]: Start difference. First operand 1827 states and 2443 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 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 11:28:35,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:28:35,619 INFO L93 Difference]: Finished difference Result 1827 states and 2443 transitions. [2022-11-20 11:28:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:28:35,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 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 113 [2022-11-20 11:28:35,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:28:35,634 INFO L225 Difference]: With dead ends: 1827 [2022-11-20 11:28:35,634 INFO L226 Difference]: Without dead ends: 1825 [2022-11-20 11:28:35,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 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 11:28:35,637 INFO L413 NwaCegarLoop]: 2439 mSDtfsCounter, 2349 mSDsluCounter, 2433 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2351 SdHoareTripleChecker+Valid, 4872 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 11:28:35,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2351 Valid, 4872 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:28:35,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1825 states. [2022-11-20 11:28:35,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1825 to 1825. [2022-11-20 11:28:35,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1825 states, 1162 states have (on average 1.2142857142857142) internal successors, (1411), 1206 states have internal predecessors, (1411), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-20 11:28:35,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2441 transitions. [2022-11-20 11:28:35,960 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2441 transitions. Word has length 113 [2022-11-20 11:28:35,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:28:35,960 INFO L495 AbstractCegarLoop]: Abstraction has 1825 states and 2441 transitions. [2022-11-20 11:28:35,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 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 11:28:35,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2441 transitions. [2022-11-20 11:28:35,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-20 11:28:35,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:28:35,964 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:28:36,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:36,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:36,179 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:28:36,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:28:36,179 INFO L85 PathProgramCache]: Analyzing trace with hash -2003464843, now seen corresponding path program 1 times [2022-11-20 11:28:36,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:28:36,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412539175] [2022-11-20 11:28:36,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:28:36,184 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 11:28:36,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:28:36,185 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:36,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:28:40,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 4804 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:28:40,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:28:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:28:40,969 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:28:40,969 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:28:40,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412539175] [2022-11-20 11:28:40,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [412539175] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:28:40,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:28:40,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:28:40,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578034705] [2022-11-20 11:28:40,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:28:40,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:28:40,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:28:40,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:28:40,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:28:40,971 INFO L87 Difference]: Start difference. First operand 1825 states and 2441 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 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 11:28:41,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:28:41,240 INFO L93 Difference]: Finished difference Result 1825 states and 2441 transitions. [2022-11-20 11:28:41,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:28:41,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 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 115 [2022-11-20 11:28:41,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:28:41,251 INFO L225 Difference]: With dead ends: 1825 [2022-11-20 11:28:41,251 INFO L226 Difference]: Without dead ends: 1823 [2022-11-20 11:28:41,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 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 11:28:41,254 INFO L413 NwaCegarLoop]: 2437 mSDtfsCounter, 2341 mSDsluCounter, 2435 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2343 SdHoareTripleChecker+Valid, 4872 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 11:28:41,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2343 Valid, 4872 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:28:41,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2022-11-20 11:28:41,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1823. [2022-11-20 11:28:41,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1823 states, 1161 states have (on average 1.2136089577950042) internal successors, (1409), 1204 states have internal predecessors, (1409), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-20 11:28:41,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2439 transitions. [2022-11-20 11:28:41,536 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2439 transitions. Word has length 115 [2022-11-20 11:28:41,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:28:41,536 INFO L495 AbstractCegarLoop]: Abstraction has 1823 states and 2439 transitions. [2022-11-20 11:28:41,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 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 11:28:41,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2439 transitions. [2022-11-20 11:28:41,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-20 11:28:41,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:28:41,539 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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 11:28:41,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:41,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:41,763 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:28:41,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:28:41,763 INFO L85 PathProgramCache]: Analyzing trace with hash -565327513, now seen corresponding path program 1 times [2022-11-20 11:28:41,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:28:41,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [831072439] [2022-11-20 11:28:41,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:28:41,769 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 11:28:41,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:28:41,775 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:41,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:28:46,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 5306 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:28:46,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:28:46,665 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-20 11:28:46,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:28:46,666 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:28:46,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [831072439] [2022-11-20 11:28:46,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [831072439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:28:46,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:28:46,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:28:46,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184494393] [2022-11-20 11:28:46,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:28:46,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:28:46,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:28:46,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:28:46,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:28:46,673 INFO L87 Difference]: Start difference. First operand 1823 states and 2439 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-20 11:28:48,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:28:48,122 INFO L93 Difference]: Finished difference Result 3703 states and 4977 transitions. [2022-11-20 11:28:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:28:48,123 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 158 [2022-11-20 11:28:48,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:28:48,134 INFO L225 Difference]: With dead ends: 3703 [2022-11-20 11:28:48,135 INFO L226 Difference]: Without dead ends: 1895 [2022-11-20 11:28:48,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:28:48,142 INFO L413 NwaCegarLoop]: 2452 mSDtfsCounter, 48 mSDsluCounter, 9656 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 12108 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:28:48,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 12108 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 11:28:48,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1895 states. [2022-11-20 11:28:48,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1895 to 1827. [2022-11-20 11:28:48,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1827 states, 1164 states have (on average 1.2130584192439862) internal successors, (1412), 1207 states have internal predecessors, (1412), 517 states have call successors, (517), 122 states have call predecessors, (517), 121 states have return successors, (515), 513 states have call predecessors, (515), 515 states have call successors, (515) [2022-11-20 11:28:48,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2444 transitions. [2022-11-20 11:28:48,465 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2444 transitions. Word has length 158 [2022-11-20 11:28:48,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:28:48,466 INFO L495 AbstractCegarLoop]: Abstraction has 1827 states and 2444 transitions. [2022-11-20 11:28:48,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-20 11:28:48,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2444 transitions. [2022-11-20 11:28:48,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-20 11:28:48,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:28:48,470 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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 11:28:48,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:48,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:48,695 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:28:48,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:28:48,695 INFO L85 PathProgramCache]: Analyzing trace with hash -138773015, now seen corresponding path program 1 times [2022-11-20 11:28:48,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:28:48,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397206853] [2022-11-20 11:28:48,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:28:48,701 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 11:28:48,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:28:48,704 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:48,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:28:53,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 5305 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-20 11:28:53,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:28:54,756 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2022-11-20 11:28:54,756 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:28:54,756 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:28:54,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397206853] [2022-11-20 11:28:54,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [397206853] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:28:54,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:28:54,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-20 11:28:54,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440212732] [2022-11-20 11:28:54,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:28:54,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 11:28:54,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:28:54,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 11:28:54,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:28:54,759 INFO L87 Difference]: Start difference. First operand 1827 states and 2444 transitions. Second operand has 13 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 5 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (17), 6 states have call predecessors, (17), 5 states have call successors, (17) [2022-11-20 11:28:57,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:28:57,907 INFO L93 Difference]: Finished difference Result 3695 states and 4963 transitions. [2022-11-20 11:28:57,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 11:28:57,908 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 5 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (17), 6 states have call predecessors, (17), 5 states have call successors, (17) Word has length 158 [2022-11-20 11:28:57,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:28:57,920 INFO L225 Difference]: With dead ends: 3695 [2022-11-20 11:28:57,921 INFO L226 Difference]: Without dead ends: 1893 [2022-11-20 11:28:57,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-11-20 11:28:57,928 INFO L413 NwaCegarLoop]: 2505 mSDtfsCounter, 626 mSDsluCounter, 19036 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 916 SdHoareTripleChecker+Valid, 21541 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:28:57,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [916 Valid, 21541 Invalid, 483 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-20 11:28:57,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1893 states. [2022-11-20 11:28:58,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1893 to 1827. [2022-11-20 11:28:58,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1827 states, 1164 states have (on average 1.2121993127147765) internal successors, (1411), 1206 states have internal predecessors, (1411), 517 states have call successors, (517), 122 states have call predecessors, (517), 121 states have return successors, (515), 513 states have call predecessors, (515), 515 states have call successors, (515) [2022-11-20 11:28:58,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2443 transitions. [2022-11-20 11:28:58,232 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2443 transitions. Word has length 158 [2022-11-20 11:28:58,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:28:58,232 INFO L495 AbstractCegarLoop]: Abstraction has 1827 states and 2443 transitions. [2022-11-20 11:28:58,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 5 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (17), 6 states have call predecessors, (17), 5 states have call successors, (17) [2022-11-20 11:28:58,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2443 transitions. [2022-11-20 11:28:58,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-20 11:28:58,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:28:58,234 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:28:58,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:58,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:58,451 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:28:58,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:28:58,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1487588592, now seen corresponding path program 1 times [2022-11-20 11:28:58,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:28:58,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [612381207] [2022-11-20 11:28:58,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:28:58,455 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 11:28:58,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:28:58,456 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:28:58,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:02,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 4813 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:29:02,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:29:03,558 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:29:03,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:29:03,558 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:29:03,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [612381207] [2022-11-20 11:29:03,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [612381207] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:03,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:29:03,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:29:03,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327000172] [2022-11-20 11:29:03,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:03,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:29:03,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:29:03,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:29:03,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:29:03,560 INFO L87 Difference]: Start difference. First operand 1827 states and 2443 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 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 11:29:03,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:03,927 INFO L93 Difference]: Finished difference Result 1827 states and 2443 transitions. [2022-11-20 11:29:03,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:29:03,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 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 121 [2022-11-20 11:29:03,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:03,938 INFO L225 Difference]: With dead ends: 1827 [2022-11-20 11:29:03,938 INFO L226 Difference]: Without dead ends: 1825 [2022-11-20 11:29:03,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 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 11:29:03,940 INFO L413 NwaCegarLoop]: 2434 mSDtfsCounter, 2332 mSDsluCounter, 2432 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2334 SdHoareTripleChecker+Valid, 4866 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 11:29:03,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2334 Valid, 4866 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:29:03,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1825 states. [2022-11-20 11:29:04,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1825 to 1825. [2022-11-20 11:29:04,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1825 states, 1163 states have (on average 1.2115219260533103) internal successors, (1409), 1204 states have internal predecessors, (1409), 517 states have call successors, (517), 122 states have call predecessors, (517), 121 states have return successors, (515), 513 states have call predecessors, (515), 515 states have call successors, (515) [2022-11-20 11:29:04,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2441 transitions. [2022-11-20 11:29:04,243 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2441 transitions. Word has length 121 [2022-11-20 11:29:04,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:04,246 INFO L495 AbstractCegarLoop]: Abstraction has 1825 states and 2441 transitions. [2022-11-20 11:29:04,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 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 11:29:04,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2441 transitions. [2022-11-20 11:29:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-20 11:29:04,249 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:04,249 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-20 11:29:04,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:04,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:04,463 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:29:04,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:04,463 INFO L85 PathProgramCache]: Analyzing trace with hash -115133076, now seen corresponding path program 1 times [2022-11-20 11:29:04,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:29:04,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1518547126] [2022-11-20 11:29:04,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:04,468 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 11:29:04,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:29:04,468 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:04,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:09,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 5317 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-20 11:29:09,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:29:10,806 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-11-20 11:29:10,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:29:10,807 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:29:10,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1518547126] [2022-11-20 11:29:10,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1518547126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:10,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:29:10,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-20 11:29:10,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436529142] [2022-11-20 11:29:10,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:10,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 11:29:10,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:29:10,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 11:29:10,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:29:10,809 INFO L87 Difference]: Start difference. First operand 1825 states and 2441 transitions. Second operand has 13 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 5 states have call successors, (21), 2 states have call predecessors, (21), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2022-11-20 11:29:14,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:14,127 INFO L93 Difference]: Finished difference Result 3686 states and 4950 transitions. [2022-11-20 11:29:14,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 11:29:14,128 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 5 states have call successors, (21), 2 states have call predecessors, (21), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) Word has length 162 [2022-11-20 11:29:14,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:14,139 INFO L225 Difference]: With dead ends: 3686 [2022-11-20 11:29:14,139 INFO L226 Difference]: Without dead ends: 1891 [2022-11-20 11:29:14,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-11-20 11:29:14,147 INFO L413 NwaCegarLoop]: 2502 mSDtfsCounter, 621 mSDsluCounter, 21514 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 24016 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:29:14,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [909 Valid, 24016 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-20 11:29:14,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2022-11-20 11:29:14,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1825. [2022-11-20 11:29:14,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1825 states, 1163 states have (on average 1.2106620808254513) internal successors, (1408), 1203 states have internal predecessors, (1408), 517 states have call successors, (517), 122 states have call predecessors, (517), 121 states have return successors, (515), 513 states have call predecessors, (515), 515 states have call successors, (515) [2022-11-20 11:29:14,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2440 transitions. [2022-11-20 11:29:14,472 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2440 transitions. Word has length 162 [2022-11-20 11:29:14,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:14,473 INFO L495 AbstractCegarLoop]: Abstraction has 1825 states and 2440 transitions. [2022-11-20 11:29:14,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 5 states have call successors, (21), 2 states have call predecessors, (21), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2022-11-20 11:29:14,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2440 transitions. [2022-11-20 11:29:14,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-20 11:29:14,475 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:14,476 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-20 11:29:14,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:14,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:14,699 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:29:14,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:14,699 INFO L85 PathProgramCache]: Analyzing trace with hash 86049353, now seen corresponding path program 1 times [2022-11-20 11:29:14,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:29:14,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419668261] [2022-11-20 11:29:14,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:14,704 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 11:29:14,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:29:14,706 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:14,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:21,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 5329 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:29:21,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:29:21,910 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-11-20 11:29:21,911 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:29:21,911 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:29:21,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419668261] [2022-11-20 11:29:21,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [419668261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:21,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:29:21,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:29:21,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387830930] [2022-11-20 11:29:21,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:21,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:29:21,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:29:21,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:29:21,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:29:21,913 INFO L87 Difference]: Start difference. First operand 1825 states and 2440 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-20 11:29:22,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:22,631 INFO L93 Difference]: Finished difference Result 2558 states and 3313 transitions. [2022-11-20 11:29:22,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:29:22,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 166 [2022-11-20 11:29:22,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:22,642 INFO L225 Difference]: With dead ends: 2558 [2022-11-20 11:29:22,642 INFO L226 Difference]: Without dead ends: 1821 [2022-11-20 11:29:22,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 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 11:29:22,646 INFO L413 NwaCegarLoop]: 2429 mSDtfsCounter, 2412 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2412 SdHoareTripleChecker+Valid, 2429 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:29:22,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2412 Valid, 2429 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 11:29:22,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1821 states. [2022-11-20 11:29:22,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1821 to 1821. [2022-11-20 11:29:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1821 states, 1160 states have (on average 1.2094827586206895) internal successors, (1403), 1199 states have internal predecessors, (1403), 517 states have call successors, (517), 122 states have call predecessors, (517), 121 states have return successors, (515), 513 states have call predecessors, (515), 515 states have call successors, (515) [2022-11-20 11:29:22,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1821 states and 2435 transitions. [2022-11-20 11:29:22,947 INFO L78 Accepts]: Start accepts. Automaton has 1821 states and 2435 transitions. Word has length 166 [2022-11-20 11:29:22,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:22,948 INFO L495 AbstractCegarLoop]: Abstraction has 1821 states and 2435 transitions. [2022-11-20 11:29:22,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-20 11:29:22,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2435 transitions. [2022-11-20 11:29:22,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-20 11:29:22,950 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:22,950 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:29:23,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:23,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:23,175 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:29:23,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:23,175 INFO L85 PathProgramCache]: Analyzing trace with hash 888581065, now seen corresponding path program 1 times [2022-11-20 11:29:23,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:29:23,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1568359828] [2022-11-20 11:29:23,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:23,179 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 11:29:23,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:29:23,180 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:23,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:27,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 4822 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:29:27,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:29:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:29:28,212 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:29:28,212 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:29:28,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1568359828] [2022-11-20 11:29:28,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1568359828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:28,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:29:28,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:29:28,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262122846] [2022-11-20 11:29:28,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:28,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:29:28,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:29:28,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:29:28,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:29:28,215 INFO L87 Difference]: Start difference. First operand 1821 states and 2435 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 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 11:29:28,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:28,472 INFO L93 Difference]: Finished difference Result 1821 states and 2435 transitions. [2022-11-20 11:29:28,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:29:28,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 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 127 [2022-11-20 11:29:28,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:28,482 INFO L225 Difference]: With dead ends: 1821 [2022-11-20 11:29:28,482 INFO L226 Difference]: Without dead ends: 1819 [2022-11-20 11:29:28,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:29:28,484 INFO L413 NwaCegarLoop]: 2426 mSDtfsCounter, 2318 mSDsluCounter, 2424 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2320 SdHoareTripleChecker+Valid, 4850 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 11:29:28,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2320 Valid, 4850 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:29:28,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2022-11-20 11:29:28,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1819. [2022-11-20 11:29:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1819 states, 1159 states have (on average 1.2088006902502157) internal successors, (1401), 1197 states have internal predecessors, (1401), 517 states have call successors, (517), 122 states have call predecessors, (517), 121 states have return successors, (515), 513 states have call predecessors, (515), 515 states have call successors, (515) [2022-11-20 11:29:28,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 2433 transitions. [2022-11-20 11:29:28,774 INFO L78 Accepts]: Start accepts. Automaton has 1819 states and 2433 transitions. Word has length 127 [2022-11-20 11:29:28,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:28,775 INFO L495 AbstractCegarLoop]: Abstraction has 1819 states and 2433 transitions. [2022-11-20 11:29:28,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 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 11:29:28,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2433 transitions. [2022-11-20 11:29:28,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-20 11:29:28,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:28,777 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-20 11:29:28,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:28,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:28,999 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:29:28,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:28,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1963525096, now seen corresponding path program 1 times [2022-11-20 11:29:29,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:29:29,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2128526323] [2022-11-20 11:29:29,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:29,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:29:29,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:29:29,007 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:29,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:36,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 5338 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:29:36,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:29:36,598 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-11-20 11:29:36,599 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:29:36,599 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:29:36,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2128526323] [2022-11-20 11:29:36,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2128526323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:36,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:29:36,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:29:36,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808566118] [2022-11-20 11:29:36,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:36,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:29:36,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:29:36,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:29:36,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:29:36,601 INFO L87 Difference]: Start difference. First operand 1819 states and 2433 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-20 11:29:37,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:37,266 INFO L93 Difference]: Finished difference Result 2562 states and 3314 transitions. [2022-11-20 11:29:37,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:29:37,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 172 [2022-11-20 11:29:37,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:37,274 INFO L225 Difference]: With dead ends: 2562 [2022-11-20 11:29:37,275 INFO L226 Difference]: Without dead ends: 1834 [2022-11-20 11:29:37,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 170 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 11:29:37,278 INFO L413 NwaCegarLoop]: 2441 mSDtfsCounter, 2403 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2403 SdHoareTripleChecker+Valid, 2463 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:29:37,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2403 Valid, 2463 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 11:29:37,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2022-11-20 11:29:37,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1832. [2022-11-20 11:29:37,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1832 states, 1168 states have (on average 1.2054794520547945) internal successors, (1408), 1206 states have internal predecessors, (1408), 519 states have call successors, (519), 125 states have call predecessors, (519), 124 states have return successors, (517), 514 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-20 11:29:37,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1832 states and 2444 transitions. [2022-11-20 11:29:37,647 INFO L78 Accepts]: Start accepts. Automaton has 1832 states and 2444 transitions. Word has length 172 [2022-11-20 11:29:37,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:37,647 INFO L495 AbstractCegarLoop]: Abstraction has 1832 states and 2444 transitions. [2022-11-20 11:29:37,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-20 11:29:37,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2444 transitions. [2022-11-20 11:29:37,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-20 11:29:37,650 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:37,650 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-20 11:29:37,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:37,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:37,875 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:29:37,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:37,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1540273816, now seen corresponding path program 1 times [2022-11-20 11:29:37,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:29:37,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912449891] [2022-11-20 11:29:37,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:37,881 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 11:29:37,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:29:37,883 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:37,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:45,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 5323 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:29:45,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:29:46,213 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-11-20 11:29:46,213 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:29:46,213 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:29:46,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912449891] [2022-11-20 11:29:46,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1912449891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:46,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:29:46,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:29:46,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053283762] [2022-11-20 11:29:46,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:46,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:29:46,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:29:46,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:29:46,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:29:46,216 INFO L87 Difference]: Start difference. First operand 1832 states and 2444 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-20 11:29:48,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:29:54,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:54,354 INFO L93 Difference]: Finished difference Result 3584 states and 4879 transitions. [2022-11-20 11:29:54,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:29:54,355 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 175 [2022-11-20 11:29:54,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:54,363 INFO L225 Difference]: With dead ends: 3584 [2022-11-20 11:29:54,363 INFO L226 Difference]: Without dead ends: 1838 [2022-11-20 11:29:54,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:29:54,371 INFO L413 NwaCegarLoop]: 2419 mSDtfsCounter, 2320 mSDsluCounter, 6223 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2328 SdHoareTripleChecker+Valid, 8642 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-20 11:29:54,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2328 Valid, 8642 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1038 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-11-20 11:29:54,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2022-11-20 11:29:54,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838. [2022-11-20 11:29:54,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1172 states have (on average 1.203924914675768) internal successors, (1411), 1210 states have internal predecessors, (1411), 519 states have call successors, (519), 127 states have call predecessors, (519), 126 states have return successors, (517), 514 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-20 11:29:54,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2447 transitions. [2022-11-20 11:29:54,655 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2447 transitions. Word has length 175 [2022-11-20 11:29:54,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:54,656 INFO L495 AbstractCegarLoop]: Abstraction has 1838 states and 2447 transitions. [2022-11-20 11:29:54,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-20 11:29:54,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2447 transitions. [2022-11-20 11:29:54,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-20 11:29:54,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:54,658 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-20 11:29:54,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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)] Ended with exit code 0 [2022-11-20 11:29:54,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:54,877 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:29:54,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:54,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1540333398, now seen corresponding path program 1 times [2022-11-20 11:29:54,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:29:54,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [234755835] [2022-11-20 11:29:54,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:54,881 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 11:29:54,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:29:54,882 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:29:54,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:01,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 5323 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:30:01,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:02,052 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-11-20 11:30:02,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:30:02,052 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:30:02,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [234755835] [2022-11-20 11:30:02,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [234755835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:30:02,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:30:02,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:30:02,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035435480] [2022-11-20 11:30:02,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:30:02,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:30:02,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:30:02,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:30:02,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:30:02,054 INFO L87 Difference]: Start difference. First operand 1838 states and 2447 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-20 11:30:02,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:02,353 INFO L93 Difference]: Finished difference Result 1838 states and 2447 transitions. [2022-11-20 11:30:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:30:02,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 175 [2022-11-20 11:30:02,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:02,361 INFO L225 Difference]: With dead ends: 1838 [2022-11-20 11:30:02,361 INFO L226 Difference]: Without dead ends: 1836 [2022-11-20 11:30:02,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 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 11:30:02,363 INFO L413 NwaCegarLoop]: 2418 mSDtfsCounter, 7 mSDsluCounter, 4830 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 7248 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 11:30:02,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 7248 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:30:02,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1836 states. [2022-11-20 11:30:02,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1836 to 1836. [2022-11-20 11:30:02,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1836 states, 1171 states have (on average 1.2032450896669513) internal successors, (1409), 1208 states have internal predecessors, (1409), 519 states have call successors, (519), 127 states have call predecessors, (519), 126 states have return successors, (517), 514 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-20 11:30:02,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2445 transitions. [2022-11-20 11:30:02,723 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2445 transitions. Word has length 175 [2022-11-20 11:30:02,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:02,724 INFO L495 AbstractCegarLoop]: Abstraction has 1836 states and 2445 transitions. [2022-11-20 11:30:02,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-20 11:30:02,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2445 transitions. [2022-11-20 11:30:02,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-20 11:30:02,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:02,726 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:30:02,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:02,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:02,939 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:30:02,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:02,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1014952406, now seen corresponding path program 1 times [2022-11-20 11:30:02,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:30:02,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068956798] [2022-11-20 11:30:02,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:02,944 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 11:30:02,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:30:02,946 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:02,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:07,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 4831 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:30:07,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:08,367 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:30:08,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:30:08,368 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:30:08,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068956798] [2022-11-20 11:30:08,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1068956798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:30:08,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:30:08,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:30:08,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415721581] [2022-11-20 11:30:08,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:30:08,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:30:08,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:30:08,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:30:08,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:30:08,370 INFO L87 Difference]: Start difference. First operand 1836 states and 2445 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 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 11:30:08,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:08,682 INFO L93 Difference]: Finished difference Result 1836 states and 2445 transitions. [2022-11-20 11:30:08,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:30:08,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 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 133 [2022-11-20 11:30:08,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:08,689 INFO L225 Difference]: With dead ends: 1836 [2022-11-20 11:30:08,689 INFO L226 Difference]: Without dead ends: 1834 [2022-11-20 11:30:08,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 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 11:30:08,691 INFO L413 NwaCegarLoop]: 2416 mSDtfsCounter, 2302 mSDsluCounter, 2414 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2304 SdHoareTripleChecker+Valid, 4830 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 11:30:08,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2304 Valid, 4830 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:30:08,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2022-11-20 11:30:09,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1834. [2022-11-20 11:30:09,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1834 states, 1170 states have (on average 1.2025641025641025) internal successors, (1407), 1206 states have internal predecessors, (1407), 519 states have call successors, (519), 127 states have call predecessors, (519), 126 states have return successors, (517), 514 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-20 11:30:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1834 states and 2443 transitions. [2022-11-20 11:30:09,023 INFO L78 Accepts]: Start accepts. Automaton has 1834 states and 2443 transitions. Word has length 133 [2022-11-20 11:30:09,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:09,023 INFO L495 AbstractCegarLoop]: Abstraction has 1834 states and 2443 transitions. [2022-11-20 11:30:09,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 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 11:30:09,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2443 transitions. [2022-11-20 11:30:09,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-20 11:30:09,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:09,024 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:30:09,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:09,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:09,225 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:30:09,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:09,225 INFO L85 PathProgramCache]: Analyzing trace with hash -464827413, now seen corresponding path program 1 times [2022-11-20 11:30:09,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:30:09,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [668893622] [2022-11-20 11:30:09,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:09,230 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 11:30:09,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:30:09,231 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:09,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:13,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 4840 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:30:13,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:14,502 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:30:14,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:30:14,503 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:30:14,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [668893622] [2022-11-20 11:30:14,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [668893622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:30:14,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:30:14,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:30:14,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764236814] [2022-11-20 11:30:14,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:30:14,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:30:14,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:30:14,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:30:14,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:30:14,504 INFO L87 Difference]: Start difference. First operand 1834 states and 2443 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 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 11:30:14,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:14,822 INFO L93 Difference]: Finished difference Result 1834 states and 2443 transitions. [2022-11-20 11:30:14,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:30:14,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 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 139 [2022-11-20 11:30:14,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:14,829 INFO L225 Difference]: With dead ends: 1834 [2022-11-20 11:30:14,829 INFO L226 Difference]: Without dead ends: 1832 [2022-11-20 11:30:14,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 136 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 11:30:14,831 INFO L413 NwaCegarLoop]: 2414 mSDtfsCounter, 2294 mSDsluCounter, 2412 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2296 SdHoareTripleChecker+Valid, 4826 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 11:30:14,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2296 Valid, 4826 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:30:14,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2022-11-20 11:30:15,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 1832. [2022-11-20 11:30:15,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1832 states, 1169 states have (on average 1.2018819503849445) internal successors, (1405), 1204 states have internal predecessors, (1405), 519 states have call successors, (519), 127 states have call predecessors, (519), 126 states have return successors, (517), 514 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-20 11:30:15,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1832 states and 2441 transitions. [2022-11-20 11:30:15,154 INFO L78 Accepts]: Start accepts. Automaton has 1832 states and 2441 transitions. Word has length 139 [2022-11-20 11:30:15,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:15,155 INFO L495 AbstractCegarLoop]: Abstraction has 1832 states and 2441 transitions. [2022-11-20 11:30:15,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 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 11:30:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2441 transitions. [2022-11-20 11:30:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-20 11:30:15,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:15,157 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-20 11:30:15,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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)] Forceful destruction successful, exit code 0 [2022-11-20 11:30:15,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:15,357 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:30:15,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:15,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1084445704, now seen corresponding path program 1 times [2022-11-20 11:30:15,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:30:15,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674518577] [2022-11-20 11:30:15,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:15,362 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 11:30:15,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:30:15,363 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:15,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:22,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 5334 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:30:22,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:23,783 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-11-20 11:30:23,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:30:23,783 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:30:23,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1674518577] [2022-11-20 11:30:23,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1674518577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:30:23,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:30:23,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:30:23,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8114672] [2022-11-20 11:30:23,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:30:23,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:30:23,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:30:23,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:30:23,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:30:23,785 INFO L87 Difference]: Start difference. First operand 1832 states and 2441 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-20 11:30:24,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:24,094 INFO L93 Difference]: Finished difference Result 3574 states and 4865 transitions. [2022-11-20 11:30:24,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:30:24,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 182 [2022-11-20 11:30:24,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:24,099 INFO L225 Difference]: With dead ends: 3574 [2022-11-20 11:30:24,100 INFO L226 Difference]: Without dead ends: 1828 [2022-11-20 11:30:24,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 180 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 11:30:24,107 INFO L413 NwaCegarLoop]: 2410 mSDtfsCounter, 2317 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2317 SdHoareTripleChecker+Valid, 2410 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 11:30:24,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2317 Valid, 2410 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:30:24,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2022-11-20 11:30:24,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1828. [2022-11-20 11:30:24,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1828 states, 1166 states have (on average 1.2006861063464838) internal successors, (1400), 1200 states have internal predecessors, (1400), 519 states have call successors, (519), 127 states have call predecessors, (519), 126 states have return successors, (517), 514 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-20 11:30:24,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1828 states and 2436 transitions. [2022-11-20 11:30:24,446 INFO L78 Accepts]: Start accepts. Automaton has 1828 states and 2436 transitions. Word has length 182 [2022-11-20 11:30:24,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:24,446 INFO L495 AbstractCegarLoop]: Abstraction has 1828 states and 2436 transitions. [2022-11-20 11:30:24,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-20 11:30:24,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2436 transitions. [2022-11-20 11:30:24,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-20 11:30:24,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:24,448 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:30:24,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:24,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:24,648 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:30:24,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:24,649 INFO L85 PathProgramCache]: Analyzing trace with hash -198779572, now seen corresponding path program 1 times [2022-11-20 11:30:24,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:30:24,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [329311961] [2022-11-20 11:30:24,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:24,653 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 11:30:24,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:30:24,654 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:24,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:29,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 4849 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:30:29,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:30,023 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:30:30,023 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:30:30,023 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:30:30,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [329311961] [2022-11-20 11:30:30,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [329311961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:30:30,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:30:30,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:30:30,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986738898] [2022-11-20 11:30:30,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:30:30,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:30:30,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:30:30,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:30:30,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:30:30,025 INFO L87 Difference]: Start difference. First operand 1828 states and 2436 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 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 11:30:30,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:30,350 INFO L93 Difference]: Finished difference Result 1828 states and 2436 transitions. [2022-11-20 11:30:30,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:30:30,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 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 145 [2022-11-20 11:30:30,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:30,357 INFO L225 Difference]: With dead ends: 1828 [2022-11-20 11:30:30,357 INFO L226 Difference]: Without dead ends: 1826 [2022-11-20 11:30:30,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 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 11:30:30,358 INFO L413 NwaCegarLoop]: 2407 mSDtfsCounter, 2281 mSDsluCounter, 2405 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2283 SdHoareTripleChecker+Valid, 4812 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 11:30:30,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2283 Valid, 4812 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:30:30,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2022-11-20 11:30:30,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1826. [2022-11-20 11:30:30,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1826 states, 1165 states have (on average 1.2) internal successors, (1398), 1198 states have internal predecessors, (1398), 519 states have call successors, (519), 127 states have call predecessors, (519), 126 states have return successors, (517), 514 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-20 11:30:30,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1826 states and 2434 transitions. [2022-11-20 11:30:30,697 INFO L78 Accepts]: Start accepts. Automaton has 1826 states and 2434 transitions. Word has length 145 [2022-11-20 11:30:30,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:30,698 INFO L495 AbstractCegarLoop]: Abstraction has 1826 states and 2434 transitions. [2022-11-20 11:30:30,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 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 11:30:30,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2434 transitions. [2022-11-20 11:30:30,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-20 11:30:30,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:30,699 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:30:30,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:30,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:30,903 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:30:30,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:30,903 INFO L85 PathProgramCache]: Analyzing trace with hash -197811400, now seen corresponding path program 1 times [2022-11-20 11:30:30,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:30:30,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1432211737] [2022-11-20 11:30:30,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:30,907 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 11:30:30,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:30:30,908 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:30,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:35,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 4858 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:30:35,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:36,365 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:30:36,365 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:30:36,365 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:30:36,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1432211737] [2022-11-20 11:30:36,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1432211737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:30:36,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:30:36,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:30:36,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247251217] [2022-11-20 11:30:36,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:30:36,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:30:36,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:30:36,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:30:36,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:30:36,367 INFO L87 Difference]: Start difference. First operand 1826 states and 2434 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 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 11:30:36,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:36,713 INFO L93 Difference]: Finished difference Result 1826 states and 2434 transitions. [2022-11-20 11:30:36,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:30:36,714 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 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 151 [2022-11-20 11:30:36,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:36,720 INFO L225 Difference]: With dead ends: 1826 [2022-11-20 11:30:36,720 INFO L226 Difference]: Without dead ends: 1824 [2022-11-20 11:30:36,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:30:36,722 INFO L413 NwaCegarLoop]: 2405 mSDtfsCounter, 2273 mSDsluCounter, 2403 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2275 SdHoareTripleChecker+Valid, 4808 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 11:30:36,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2275 Valid, 4808 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:30:36,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1824 states. [2022-11-20 11:30:37,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1824 to 1824. [2022-11-20 11:30:37,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1824 states, 1164 states have (on average 1.1993127147766323) internal successors, (1396), 1196 states have internal predecessors, (1396), 519 states have call successors, (519), 127 states have call predecessors, (519), 126 states have return successors, (517), 514 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-20 11:30:37,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1824 states and 2432 transitions. [2022-11-20 11:30:37,135 INFO L78 Accepts]: Start accepts. Automaton has 1824 states and 2432 transitions. Word has length 151 [2022-11-20 11:30:37,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:37,135 INFO L495 AbstractCegarLoop]: Abstraction has 1824 states and 2432 transitions. [2022-11-20 11:30:37,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 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 11:30:37,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 2432 transitions. [2022-11-20 11:30:37,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-20 11:30:37,136 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:37,136 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:30:37,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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)] Forceful destruction successful, exit code 0 [2022-11-20 11:30:37,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:37,337 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:30:37,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:37,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1581529500, now seen corresponding path program 1 times [2022-11-20 11:30:37,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:30:37,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1414423920] [2022-11-20 11:30:37,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:37,342 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 11:30:37,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:30:37,343 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:37,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:41,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 4867 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:30:41,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:42,910 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:30:42,910 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:30:42,910 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:30:42,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1414423920] [2022-11-20 11:30:42,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1414423920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:30:42,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:30:42,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:30:42,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533627096] [2022-11-20 11:30:42,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:30:42,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:30:42,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:30:42,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:30:42,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:30:42,912 INFO L87 Difference]: Start difference. First operand 1824 states and 2432 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 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 11:30:43,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:43,377 INFO L93 Difference]: Finished difference Result 1824 states and 2432 transitions. [2022-11-20 11:30:43,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:30:43,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 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 157 [2022-11-20 11:30:43,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:43,382 INFO L225 Difference]: With dead ends: 1824 [2022-11-20 11:30:43,382 INFO L226 Difference]: Without dead ends: 1822 [2022-11-20 11:30:43,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 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 11:30:43,383 INFO L413 NwaCegarLoop]: 2403 mSDtfsCounter, 2265 mSDsluCounter, 2401 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2267 SdHoareTripleChecker+Valid, 4804 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 11:30:43,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2267 Valid, 4804 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:30:43,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2022-11-20 11:30:43,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1822. [2022-11-20 11:30:43,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1822 states, 1163 states have (on average 1.1986242476354256) internal successors, (1394), 1194 states have internal predecessors, (1394), 519 states have call successors, (519), 127 states have call predecessors, (519), 126 states have return successors, (517), 514 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-20 11:30:43,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1822 states and 2430 transitions. [2022-11-20 11:30:43,746 INFO L78 Accepts]: Start accepts. Automaton has 1822 states and 2430 transitions. Word has length 157 [2022-11-20 11:30:43,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:43,747 INFO L495 AbstractCegarLoop]: Abstraction has 1822 states and 2430 transitions. [2022-11-20 11:30:43,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 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 11:30:43,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2430 transitions. [2022-11-20 11:30:43,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-20 11:30:43,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:43,750 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:30:43,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:43,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:43,952 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:30:43,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:43,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1533189487, now seen corresponding path program 1 times [2022-11-20 11:30:43,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:30:43,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1333162567] [2022-11-20 11:30:43,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:43,957 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 11:30:43,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:30:43,958 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:43,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:48,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 4876 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:30:48,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:49,548 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:30:49,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:30:49,548 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:30:49,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1333162567] [2022-11-20 11:30:49,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1333162567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:30:49,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:30:49,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:30:49,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190235326] [2022-11-20 11:30:49,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:30:49,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:30:49,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:30:49,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:30:49,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:30:49,550 INFO L87 Difference]: Start difference. First operand 1822 states and 2430 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 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 11:30:49,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:49,976 INFO L93 Difference]: Finished difference Result 2191 states and 2881 transitions. [2022-11-20 11:30:49,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:30:49,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 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 163 [2022-11-20 11:30:49,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:49,983 INFO L225 Difference]: With dead ends: 2191 [2022-11-20 11:30:49,984 INFO L226 Difference]: Without dead ends: 2189 [2022-11-20 11:30:49,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 160 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 11:30:49,985 INFO L413 NwaCegarLoop]: 2491 mSDtfsCounter, 2186 mSDsluCounter, 3008 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2188 SdHoareTripleChecker+Valid, 5499 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:30:49,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2188 Valid, 5499 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:30:49,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2189 states. [2022-11-20 11:30:50,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2189 to 2179. [2022-11-20 11:30:50,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2179 states, 1391 states have (on average 1.1919482386772107) internal successors, (1658), 1421 states have internal predecessors, (1658), 609 states have call successors, (609), 167 states have call predecessors, (609), 166 states have return successors, (607), 604 states have call predecessors, (607), 607 states have call successors, (607) [2022-11-20 11:30:50,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 2179 states and 2874 transitions. [2022-11-20 11:30:50,645 INFO L78 Accepts]: Start accepts. Automaton has 2179 states and 2874 transitions. Word has length 163 [2022-11-20 11:30:50,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:50,646 INFO L495 AbstractCegarLoop]: Abstraction has 2179 states and 2874 transitions. [2022-11-20 11:30:50,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 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 11:30:50,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2179 states and 2874 transitions. [2022-11-20 11:30:50,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-20 11:30:50,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:50,649 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:30:50,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:50,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:50,871 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:30:50,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:50,872 INFO L85 PathProgramCache]: Analyzing trace with hash -236470476, now seen corresponding path program 1 times [2022-11-20 11:30:50,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:30:50,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729474665] [2022-11-20 11:30:50,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:50,878 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 11:30:50,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:30:50,879 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:50,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:55,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 4885 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:30:55,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:56,659 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:30:56,659 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:30:56,660 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:30:56,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729474665] [2022-11-20 11:30:56,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729474665] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:30:56,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:30:56,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:30:56,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817143895] [2022-11-20 11:30:56,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:30:56,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:30:56,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:30:56,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:30:56,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:30:56,662 INFO L87 Difference]: Start difference. First operand 2179 states and 2874 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 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 11:30:57,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:57,131 INFO L93 Difference]: Finished difference Result 2179 states and 2874 transitions. [2022-11-20 11:30:57,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:30:57,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 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 169 [2022-11-20 11:30:57,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:57,137 INFO L225 Difference]: With dead ends: 2179 [2022-11-20 11:30:57,137 INFO L226 Difference]: Without dead ends: 2177 [2022-11-20 11:30:57,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 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 11:30:57,139 INFO L413 NwaCegarLoop]: 2399 mSDtfsCounter, 2249 mSDsluCounter, 2397 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2251 SdHoareTripleChecker+Valid, 4796 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 11:30:57,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2251 Valid, 4796 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:30:57,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2177 states. [2022-11-20 11:30:57,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2177 to 2177. [2022-11-20 11:30:57,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2177 states, 1390 states have (on average 1.1913669064748202) internal successors, (1656), 1419 states have internal predecessors, (1656), 609 states have call successors, (609), 167 states have call predecessors, (609), 166 states have return successors, (607), 604 states have call predecessors, (607), 607 states have call successors, (607) [2022-11-20 11:30:57,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 2177 states and 2872 transitions. [2022-11-20 11:30:57,593 INFO L78 Accepts]: Start accepts. Automaton has 2177 states and 2872 transitions. Word has length 169 [2022-11-20 11:30:57,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:57,594 INFO L495 AbstractCegarLoop]: Abstraction has 2177 states and 2872 transitions. [2022-11-20 11:30:57,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 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 11:30:57,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2872 transitions. [2022-11-20 11:30:57,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-20 11:30:57,597 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:57,597 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:30:57,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:57,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:57,811 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:30:57,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:57,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1228537962, now seen corresponding path program 1 times [2022-11-20 11:30:57,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:30:57,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124002101] [2022-11-20 11:30:57,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:57,817 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 11:30:57,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:30:57,818 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:30:57,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:31:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:31:02,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 4894 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:31:02,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:31:03,605 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:31:03,606 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:31:03,606 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:31:03,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1124002101] [2022-11-20 11:31:03,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1124002101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:31:03,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:31:03,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:31:03,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455571737] [2022-11-20 11:31:03,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:31:03,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:31:03,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:31:03,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:31:03,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:31:03,609 INFO L87 Difference]: Start difference. First operand 2177 states and 2872 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 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 11:31:04,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:31:04,322 INFO L93 Difference]: Finished difference Result 3188 states and 4188 transitions. [2022-11-20 11:31:04,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:31:04,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 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 175 [2022-11-20 11:31:04,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:31:04,334 INFO L225 Difference]: With dead ends: 3188 [2022-11-20 11:31:04,334 INFO L226 Difference]: Without dead ends: 3186 [2022-11-20 11:31:04,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 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 11:31:04,336 INFO L413 NwaCegarLoop]: 3020 mSDtfsCounter, 2239 mSDsluCounter, 4331 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2241 SdHoareTripleChecker+Valid, 7351 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:31:04,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2241 Valid, 7351 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:31:04,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2022-11-20 11:31:05,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 3151. [2022-11-20 11:31:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3151 states, 2016 states have (on average 1.193452380952381) internal successors, (2406), 2051 states have internal predecessors, (2406), 873 states have call successors, (873), 251 states have call predecessors, (873), 250 states have return successors, (880), 867 states have call predecessors, (880), 871 states have call successors, (880) [2022-11-20 11:31:05,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 3151 states and 4159 transitions. [2022-11-20 11:31:05,213 INFO L78 Accepts]: Start accepts. Automaton has 3151 states and 4159 transitions. Word has length 175 [2022-11-20 11:31:05,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:31:05,213 INFO L495 AbstractCegarLoop]: Abstraction has 3151 states and 4159 transitions. [2022-11-20 11:31:05,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 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 11:31:05,213 INFO L276 IsEmpty]: Start isEmpty. Operand 3151 states and 4159 transitions. [2022-11-20 11:31:05,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-20 11:31:05,215 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:31:05,215 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:31:05,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:31:05,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:31:05,415 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:31:05,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:31:05,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1170788587, now seen corresponding path program 1 times [2022-11-20 11:31:05,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:31:05,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728906632] [2022-11-20 11:31:05,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:31:05,420 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 11:31:05,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:31:05,421 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:31:05,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:31:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:31:10,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 4903 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:31:10,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:31:11,258 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:31:11,258 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:31:11,258 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:31:11,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1728906632] [2022-11-20 11:31:11,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1728906632] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:31:11,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:31:11,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:31:11,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552869550] [2022-11-20 11:31:11,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:31:11,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:31:11,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:31:11,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:31:11,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:31:11,260 INFO L87 Difference]: Start difference. First operand 3151 states and 4159 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 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 11:31:11,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:31:11,904 INFO L93 Difference]: Finished difference Result 3151 states and 4159 transitions. [2022-11-20 11:31:11,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:31:11,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 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 181 [2022-11-20 11:31:11,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:31:11,915 INFO L225 Difference]: With dead ends: 3151 [2022-11-20 11:31:11,915 INFO L226 Difference]: Without dead ends: 3149 [2022-11-20 11:31:11,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 178 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 11:31:11,918 INFO L413 NwaCegarLoop]: 2397 mSDtfsCounter, 2235 mSDsluCounter, 2395 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2237 SdHoareTripleChecker+Valid, 4792 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 11:31:11,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2237 Valid, 4792 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:31:11,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states. [2022-11-20 11:31:12,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 3149. [2022-11-20 11:31:12,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3149 states, 2015 states have (on average 1.1930521091811415) internal successors, (2404), 2049 states have internal predecessors, (2404), 873 states have call successors, (873), 251 states have call predecessors, (873), 250 states have return successors, (880), 867 states have call predecessors, (880), 871 states have call successors, (880) [2022-11-20 11:31:12,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 3149 states and 4157 transitions. [2022-11-20 11:31:12,765 INFO L78 Accepts]: Start accepts. Automaton has 3149 states and 4157 transitions. Word has length 181 [2022-11-20 11:31:12,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:31:12,766 INFO L495 AbstractCegarLoop]: Abstraction has 3149 states and 4157 transitions. [2022-11-20 11:31:12,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 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 11:31:12,766 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 4157 transitions. [2022-11-20 11:31:12,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-11-20 11:31:12,768 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:31:12,768 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2022-11-20 11:31:12,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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)] Ended with exit code 0 [2022-11-20 11:31:12,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:31:12,983 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:31:12,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:31:12,983 INFO L85 PathProgramCache]: Analyzing trace with hash -2090139578, now seen corresponding path program 1 times [2022-11-20 11:31:12,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:31:12,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [134451445] [2022-11-20 11:31:12,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:31:12,988 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 11:31:12,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:31:12,989 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:31:12,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:31:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:31:21,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 5564 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 11:31:21,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:31:21,939 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2022-11-20 11:31:21,939 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:31:21,940 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:31:21,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [134451445] [2022-11-20 11:31:21,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [134451445] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:31:21,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:31:21,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-20 11:31:21,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678555349] [2022-11-20 11:31:21,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:31:21,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-20 11:31:21,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:31:21,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-20 11:31:21,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-11-20 11:31:21,942 INFO L87 Difference]: Start difference. First operand 3149 states and 4157 transitions. Second operand has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) [2022-11-20 11:31:27,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:31:27,338 INFO L93 Difference]: Finished difference Result 4241 states and 5473 transitions. [2022-11-20 11:31:27,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 11:31:27,339 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) Word has length 228 [2022-11-20 11:31:27,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:31:27,351 INFO L225 Difference]: With dead ends: 4241 [2022-11-20 11:31:27,351 INFO L226 Difference]: Without dead ends: 3240 [2022-11-20 11:31:27,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2022-11-20 11:31:27,362 INFO L413 NwaCegarLoop]: 2471 mSDtfsCounter, 262 mSDsluCounter, 31504 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 406 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 33975 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 406 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:31:27,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 33975 Invalid, 1106 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [406 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-20 11:31:27,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3240 states. [2022-11-20 11:31:28,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3240 to 3166. [2022-11-20 11:31:28,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3166 states, 2027 states have (on average 1.1919092254563395) internal successors, (2416), 2061 states have internal predecessors, (2416), 878 states have call successors, (878), 251 states have call predecessors, (878), 250 states have return successors, (885), 872 states have call predecessors, (885), 876 states have call successors, (885) [2022-11-20 11:31:28,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 3166 states and 4179 transitions. [2022-11-20 11:31:28,229 INFO L78 Accepts]: Start accepts. Automaton has 3166 states and 4179 transitions. Word has length 228 [2022-11-20 11:31:28,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:31:28,229 INFO L495 AbstractCegarLoop]: Abstraction has 3166 states and 4179 transitions. [2022-11-20 11:31:28,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) [2022-11-20 11:31:28,229 INFO L276 IsEmpty]: Start isEmpty. Operand 3166 states and 4179 transitions. [2022-11-20 11:31:28,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-20 11:31:28,231 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:31:28,232 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:31:28,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:31:28,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:31:28,455 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:31:28,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:31:28,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1044881975, now seen corresponding path program 1 times [2022-11-20 11:31:28,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:31:28,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [830860717] [2022-11-20 11:31:28,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:31:28,461 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 11:31:28,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:31:28,462 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:31:28,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:31:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:31:33,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 4912 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:31:33,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:31:34,543 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:31:34,543 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:31:34,543 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:31:34,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [830860717] [2022-11-20 11:31:34,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [830860717] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:31:34,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:31:34,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:31:34,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783810458] [2022-11-20 11:31:34,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:31:34,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:31:34,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:31:34,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:31:34,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:31:34,545 INFO L87 Difference]: Start difference. First operand 3166 states and 4179 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2022-11-20 11:31:36,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:31:36,076 INFO L93 Difference]: Finished difference Result 6171 states and 8179 transitions. [2022-11-20 11:31:36,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:31:36,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 187 [2022-11-20 11:31:36,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:31:36,099 INFO L225 Difference]: With dead ends: 6171 [2022-11-20 11:31:36,099 INFO L226 Difference]: Without dead ends: 5944 [2022-11-20 11:31:36,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 184 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 11:31:36,104 INFO L413 NwaCegarLoop]: 3340 mSDtfsCounter, 2224 mSDsluCounter, 5580 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2224 SdHoareTripleChecker+Valid, 8920 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:31:36,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2224 Valid, 8920 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:31:36,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5944 states. [2022-11-20 11:31:37,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5944 to 5920. [2022-11-20 11:31:37,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5920 states, 3798 states have (on average 1.199315429173249) internal successors, (4555), 3848 states have internal predecessors, (4555), 1642 states have call successors, (1642), 472 states have call predecessors, (1642), 469 states have return successors, (1694), 1633 states have call predecessors, (1694), 1638 states have call successors, (1694) [2022-11-20 11:31:37,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5920 states to 5920 states and 7891 transitions. [2022-11-20 11:31:37,588 INFO L78 Accepts]: Start accepts. Automaton has 5920 states and 7891 transitions. Word has length 187 [2022-11-20 11:31:37,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:31:37,588 INFO L495 AbstractCegarLoop]: Abstraction has 5920 states and 7891 transitions. [2022-11-20 11:31:37,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2022-11-20 11:31:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand 5920 states and 7891 transitions. [2022-11-20 11:31:37,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-11-20 11:31:37,591 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:31:37,591 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 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] [2022-11-20 11:31:37,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:31:37,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:31:37,815 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:31:37,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:31:37,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1769418010, now seen corresponding path program 1 times [2022-11-20 11:31:37,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:31:37,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [951677893] [2022-11-20 11:31:37,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:31:37,820 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 11:31:37,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:31:37,821 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:31:37,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:31:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:31:45,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 5612 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-20 11:31:45,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:31:46,900 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2022-11-20 11:31:46,900 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:31:46,901 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:31:46,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [951677893] [2022-11-20 11:31:46,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [951677893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:31:46,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:31:46,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-20 11:31:46,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588962525] [2022-11-20 11:31:46,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:31:46,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-20 11:31:46,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:31:46,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-20 11:31:46,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-11-20 11:31:46,903 INFO L87 Difference]: Start difference. First operand 5920 states and 7891 transitions. Second operand has 15 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 7 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (29), 7 states have call predecessors, (29), 7 states have call successors, (29) [2022-11-20 11:31:54,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:31:56,830 WARN L539 Checker$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 11:31:58,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:31:58,551 INFO L93 Difference]: Finished difference Result 8047 states and 10570 transitions. [2022-11-20 11:31:58,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 11:31:58,551 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 7 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (29), 7 states have call predecessors, (29), 7 states have call successors, (29) Word has length 254 [2022-11-20 11:31:58,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:31:58,574 INFO L225 Difference]: With dead ends: 8047 [2022-11-20 11:31:58,574 INFO L226 Difference]: Without dead ends: 6260 [2022-11-20 11:31:58,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2022-11-20 11:31:58,581 INFO L413 NwaCegarLoop]: 2548 mSDtfsCounter, 581 mSDsluCounter, 31858 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 406 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 775 SdHoareTripleChecker+Valid, 34406 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 406 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:31:58,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [775 Valid, 34406 Invalid, 1191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [406 Valid, 783 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2022-11-20 11:31:58,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6260 states. [2022-11-20 11:32:00,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6260 to 5938. [2022-11-20 11:32:00,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5938 states, 3810 states have (on average 1.1979002624671915) internal successors, (4564), 3860 states have internal predecessors, (4564), 1648 states have call successors, (1648), 472 states have call predecessors, (1648), 469 states have return successors, (1700), 1639 states have call predecessors, (1700), 1644 states have call successors, (1700) [2022-11-20 11:32:00,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5938 states to 5938 states and 7912 transitions. [2022-11-20 11:32:00,091 INFO L78 Accepts]: Start accepts. Automaton has 5938 states and 7912 transitions. Word has length 254 [2022-11-20 11:32:00,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:32:00,092 INFO L495 AbstractCegarLoop]: Abstraction has 5938 states and 7912 transitions. [2022-11-20 11:32:00,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 7 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (29), 7 states have call predecessors, (29), 7 states have call successors, (29) [2022-11-20 11:32:00,093 INFO L276 IsEmpty]: Start isEmpty. Operand 5938 states and 7912 transitions. [2022-11-20 11:32:00,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2022-11-20 11:32:00,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:32:00,095 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 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] [2022-11-20 11:32:00,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:32:00,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:32:00,319 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:32:00,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:32:00,319 INFO L85 PathProgramCache]: Analyzing trace with hash 803345353, now seen corresponding path program 1 times [2022-11-20 11:32:00,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:32:00,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [96727782] [2022-11-20 11:32:00,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:32:00,326 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 11:32:00,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:32:00,327 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:32:00,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:32:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:32:09,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 5670 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 11:32:09,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:32:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1742 backedges. 148 proven. 3 refuted. 0 times theorem prover too weak. 1591 trivial. 0 not checked. [2022-11-20 11:32:09,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:32:11,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1742 backedges. 126 proven. 3 refuted. 0 times theorem prover too weak. 1613 trivial. 0 not checked. [2022-11-20 11:32:11,233 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:32:11,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [96727782] [2022-11-20 11:32:11,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [96727782] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:32:11,234 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:32:11,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2022-11-20 11:32:11,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871665044] [2022-11-20 11:32:11,235 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:32:11,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 11:32:11,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:32:11,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 11:32:11,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-11-20 11:32:11,237 INFO L87 Difference]: Start difference. First operand 5938 states and 7912 transitions. Second operand has 14 states, 13 states have (on average 6.153846153846154) internal successors, (80), 12 states have internal predecessors, (80), 5 states have call successors, (36), 2 states have call predecessors, (36), 5 states have return successors, (36), 6 states have call predecessors, (36), 5 states have call successors, (36) [2022-11-20 11:32:16,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:32:16,687 INFO L93 Difference]: Finished difference Result 13182 states and 17945 transitions. [2022-11-20 11:32:16,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:32:16,688 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.153846153846154) internal successors, (80), 12 states have internal predecessors, (80), 5 states have call successors, (36), 2 states have call predecessors, (36), 5 states have return successors, (36), 6 states have call predecessors, (36), 5 states have call successors, (36) Word has length 318 [2022-11-20 11:32:16,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:32:16,730 INFO L225 Difference]: With dead ends: 13182 [2022-11-20 11:32:16,730 INFO L226 Difference]: Without dead ends: 7365 [2022-11-20 11:32:16,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 636 GetRequests, 622 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-11-20 11:32:16,751 INFO L413 NwaCegarLoop]: 3034 mSDtfsCounter, 1096 mSDsluCounter, 26362 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1350 SdHoareTripleChecker+Valid, 29396 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:32:16,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1350 Valid, 29396 Invalid, 784 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [260 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-20 11:32:16,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7365 states. [2022-11-20 11:32:18,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7365 to 5938. [2022-11-20 11:32:18,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5938 states, 3810 states have (on average 1.1976377952755906) internal successors, (4563), 3860 states have internal predecessors, (4563), 1648 states have call successors, (1648), 472 states have call predecessors, (1648), 469 states have return successors, (1700), 1639 states have call predecessors, (1700), 1644 states have call successors, (1700) [2022-11-20 11:32:18,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5938 states to 5938 states and 7911 transitions. [2022-11-20 11:32:18,351 INFO L78 Accepts]: Start accepts. Automaton has 5938 states and 7911 transitions. Word has length 318 [2022-11-20 11:32:18,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:32:18,351 INFO L495 AbstractCegarLoop]: Abstraction has 5938 states and 7911 transitions. [2022-11-20 11:32:18,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.153846153846154) internal successors, (80), 12 states have internal predecessors, (80), 5 states have call successors, (36), 2 states have call predecessors, (36), 5 states have return successors, (36), 6 states have call predecessors, (36), 5 states have call successors, (36) [2022-11-20 11:32:18,352 INFO L276 IsEmpty]: Start isEmpty. Operand 5938 states and 7911 transitions. [2022-11-20 11:32:18,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-11-20 11:32:18,354 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:32:18,354 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:32:18,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:32:18,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:32:18,571 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:32:18,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:32:18,571 INFO L85 PathProgramCache]: Analyzing trace with hash 258403878, now seen corresponding path program 1 times [2022-11-20 11:32:18,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:32:18,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [254100367] [2022-11-20 11:32:18,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:32:18,576 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 11:32:18,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:32:18,577 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:32:18,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:32:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:32:28,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 5682 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:32:28,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:32:30,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1748 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1748 trivial. 0 not checked. [2022-11-20 11:32:30,492 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:32:30,493 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:32:30,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [254100367] [2022-11-20 11:32:30,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [254100367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:32:30,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:32:30,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:32:30,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761378922] [2022-11-20 11:32:30,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:32:30,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:32:30,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:32:30,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:32:30,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:32:30,496 INFO L87 Difference]: Start difference. First operand 5938 states and 7911 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-20 11:32:31,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:32:31,977 INFO L93 Difference]: Finished difference Result 5948 states and 7916 transitions. [2022-11-20 11:32:31,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:32:31,977 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 322 [2022-11-20 11:32:31,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:32:31,996 INFO L225 Difference]: With dead ends: 5948 [2022-11-20 11:32:31,996 INFO L226 Difference]: Without dead ends: 5946 [2022-11-20 11:32:31,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 318 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 11:32:31,999 INFO L413 NwaCegarLoop]: 2476 mSDtfsCounter, 2206 mSDsluCounter, 5468 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2207 SdHoareTripleChecker+Valid, 7944 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:32:32,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2207 Valid, 7944 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:32:32,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5946 states. [2022-11-20 11:32:33,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5946 to 5936. [2022-11-20 11:32:33,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5936 states, 3809 states have (on average 1.1966395379364663) internal successors, (4558), 3858 states have internal predecessors, (4558), 1648 states have call successors, (1648), 472 states have call predecessors, (1648), 469 states have return successors, (1700), 1639 states have call predecessors, (1700), 1644 states have call successors, (1700) [2022-11-20 11:32:33,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5936 states to 5936 states and 7906 transitions. [2022-11-20 11:32:33,521 INFO L78 Accepts]: Start accepts. Automaton has 5936 states and 7906 transitions. Word has length 322 [2022-11-20 11:32:33,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:32:33,521 INFO L495 AbstractCegarLoop]: Abstraction has 5936 states and 7906 transitions. [2022-11-20 11:32:33,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-20 11:32:33,522 INFO L276 IsEmpty]: Start isEmpty. Operand 5936 states and 7906 transitions. [2022-11-20 11:32:33,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-11-20 11:32:33,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:32:33,524 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:32:33,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:32:33,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:32:33,747 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:32:33,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:32:33,748 INFO L85 PathProgramCache]: Analyzing trace with hash 874842761, now seen corresponding path program 1 times [2022-11-20 11:32:33,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:32:33,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1987787285] [2022-11-20 11:32:33,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:32:33,755 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 11:32:33,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:32:33,756 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:32:33,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:32:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:32:42,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 5650 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-20 11:32:42,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:32:43,343 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2022-11-20 11:32:43,343 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:32:43,343 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:32:43,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1987787285] [2022-11-20 11:32:43,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1987787285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:32:43,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:32:43,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-11-20 11:32:43,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469363618] [2022-11-20 11:32:43,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:32:43,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-20 11:32:43,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:32:43,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-20 11:32:43,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2022-11-20 11:32:43,347 INFO L87 Difference]: Start difference. First operand 5936 states and 7906 transitions. Second operand has 16 states, 15 states have (on average 7.066666666666666) internal successors, (106), 15 states have internal predecessors, (106), 7 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (33), 7 states have call predecessors, (33), 7 states have call successors, (33) [2022-11-20 11:32:49,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:32:49,184 INFO L93 Difference]: Finished difference Result 7379 states and 9589 transitions. [2022-11-20 11:32:49,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 11:32:49,184 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.066666666666666) internal successors, (106), 15 states have internal predecessors, (106), 7 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (33), 7 states have call predecessors, (33), 7 states have call successors, (33) Word has length 274 [2022-11-20 11:32:49,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:32:49,199 INFO L225 Difference]: With dead ends: 7379 [2022-11-20 11:32:49,199 INFO L226 Difference]: Without dead ends: 5946 [2022-11-20 11:32:49,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=126, Invalid=524, Unknown=0, NotChecked=0, Total=650 [2022-11-20 11:32:49,204 INFO L413 NwaCegarLoop]: 2361 mSDtfsCounter, 88 mSDsluCounter, 32916 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 35277 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:32:49,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 35277 Invalid, 713 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [36 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-20 11:32:49,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5946 states. [2022-11-20 11:32:50,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5946 to 5936. [2022-11-20 11:32:50,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5936 states, 3809 states have (on average 1.195589393541612) internal successors, (4554), 3855 states have internal predecessors, (4554), 1648 states have call successors, (1648), 472 states have call predecessors, (1648), 469 states have return successors, (1700), 1639 states have call predecessors, (1700), 1644 states have call successors, (1700) [2022-11-20 11:32:50,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5936 states to 5936 states and 7902 transitions. [2022-11-20 11:32:50,612 INFO L78 Accepts]: Start accepts. Automaton has 5936 states and 7902 transitions. Word has length 274 [2022-11-20 11:32:50,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:32:50,613 INFO L495 AbstractCegarLoop]: Abstraction has 5936 states and 7902 transitions. [2022-11-20 11:32:50,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.066666666666666) internal successors, (106), 15 states have internal predecessors, (106), 7 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (33), 7 states have call predecessors, (33), 7 states have call successors, (33) [2022-11-20 11:32:50,613 INFO L276 IsEmpty]: Start isEmpty. Operand 5936 states and 7902 transitions. [2022-11-20 11:32:50,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2022-11-20 11:32:50,615 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:32:50,615 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:32:50,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:32:50,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:32:50,816 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:32:50,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:32:50,816 INFO L85 PathProgramCache]: Analyzing trace with hash 198375843, now seen corresponding path program 1 times [2022-11-20 11:32:50,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:32:50,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039420586] [2022-11-20 11:32:50,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:32:50,820 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 11:32:50,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:32:50,821 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:32:50,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:33:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:33:00,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 5831 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 11:33:00,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:33:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1748 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1748 trivial. 0 not checked. [2022-11-20 11:33:00,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:33:00,956 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:33:00,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039420586] [2022-11-20 11:33:00,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2039420586] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:33:00,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:33:00,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:33:00,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873137449] [2022-11-20 11:33:00,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:33:00,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:33:00,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:33:00,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:33:00,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:33:00,958 INFO L87 Difference]: Start difference. First operand 5936 states and 7902 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 11:33:02,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:33:04,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:33:04,394 INFO L93 Difference]: Finished difference Result 11751 states and 15659 transitions. [2022-11-20 11:33:04,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:33:04,395 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 342 [2022-11-20 11:33:04,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:33:04,413 INFO L225 Difference]: With dead ends: 11751 [2022-11-20 11:33:04,414 INFO L226 Difference]: Without dead ends: 5936 [2022-11-20 11:33:04,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 337 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 11:33:04,433 INFO L413 NwaCegarLoop]: 2351 mSDtfsCounter, 52 mSDsluCounter, 9283 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 11634 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:33:04,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 11634 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-20 11:33:04,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5936 states. [2022-11-20 11:33:06,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5936 to 5936. [2022-11-20 11:33:06,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5936 states, 3809 states have (on average 1.1940141769493304) internal successors, (4548), 3855 states have internal predecessors, (4548), 1648 states have call successors, (1648), 472 states have call predecessors, (1648), 469 states have return successors, (1700), 1639 states have call predecessors, (1700), 1644 states have call successors, (1700) [2022-11-20 11:33:06,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5936 states to 5936 states and 7896 transitions. [2022-11-20 11:33:06,024 INFO L78 Accepts]: Start accepts. Automaton has 5936 states and 7896 transitions. Word has length 342 [2022-11-20 11:33:06,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:33:06,024 INFO L495 AbstractCegarLoop]: Abstraction has 5936 states and 7896 transitions. [2022-11-20 11:33:06,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 11:33:06,024 INFO L276 IsEmpty]: Start isEmpty. Operand 5936 states and 7896 transitions. [2022-11-20 11:33:06,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2022-11-20 11:33:06,026 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:33:06,026 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:33:06,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:33:06,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:33:06,227 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:33:06,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:33:06,227 INFO L85 PathProgramCache]: Analyzing trace with hash -610970783, now seen corresponding path program 1 times [2022-11-20 11:33:06,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:33:06,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274464990] [2022-11-20 11:33:06,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:33:06,232 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 11:33:06,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:33:06,233 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:33:06,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:33:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:33:16,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 5831 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 11:33:16,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:33:18,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1748 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1748 trivial. 0 not checked. [2022-11-20 11:33:18,577 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:33:18,578 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:33:18,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [274464990] [2022-11-20 11:33:18,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [274464990] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:33:18,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:33:18,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:33:18,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393911122] [2022-11-20 11:33:18,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:33:18,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:33:18,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:33:18,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:33:18,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:33:18,580 INFO L87 Difference]: Start difference. First operand 5936 states and 7896 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-20 11:33:20,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:33:20,182 INFO L93 Difference]: Finished difference Result 6946 states and 9088 transitions. [2022-11-20 11:33:20,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:33:20,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 342 [2022-11-20 11:33:20,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:33:20,201 INFO L225 Difference]: With dead ends: 6946 [2022-11-20 11:33:20,201 INFO L226 Difference]: Without dead ends: 6944 [2022-11-20 11:33:20,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 338 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 11:33:20,204 INFO L413 NwaCegarLoop]: 2736 mSDtfsCounter, 1795 mSDsluCounter, 6462 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1796 SdHoareTripleChecker+Valid, 9198 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:33:20,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1796 Valid, 9198 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:33:20,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6944 states. [2022-11-20 11:33:21,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6944 to 6936. [2022-11-20 11:33:21,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6936 states, 4474 states have (on average 1.1868573983012964) internal successors, (5310), 4523 states have internal predecessors, (5310), 1856 states have call successors, (1856), 600 states have call predecessors, (1856), 597 states have return successors, (1911), 1847 states have call predecessors, (1911), 1852 states have call successors, (1911) [2022-11-20 11:33:21,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6936 states to 6936 states and 9077 transitions. [2022-11-20 11:33:21,843 INFO L78 Accepts]: Start accepts. Automaton has 6936 states and 9077 transitions. Word has length 342 [2022-11-20 11:33:21,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:33:21,843 INFO L495 AbstractCegarLoop]: Abstraction has 6936 states and 9077 transitions. [2022-11-20 11:33:21,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-20 11:33:21,844 INFO L276 IsEmpty]: Start isEmpty. Operand 6936 states and 9077 transitions. [2022-11-20 11:33:21,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2022-11-20 11:33:21,847 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:33:21,847 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:33:21,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:33:22,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:33:22,048 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_linux_net_rtnetlink_past_rtnl_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:33:22,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:33:22,048 INFO L85 PathProgramCache]: Analyzing trace with hash -220115858, now seen corresponding path program 1 times [2022-11-20 11:33:22,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:33:22,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11590454] [2022-11-20 11:33:22,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:33:22,054 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 11:33:22,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:33:22,055 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:33:22,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:33:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:33:30,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 5984 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-20 11:33:30,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:33:31,280 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2022-11-20 11:33:31,280 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:33:31,280 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:33:31,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [11590454] [2022-11-20 11:33:31,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [11590454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:33:31,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:33:31,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 11:33:31,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81233731] [2022-11-20 11:33:31,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:33:31,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:33:31,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:33:31,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:33:31,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:33:31,284 INFO L87 Difference]: Start difference. First operand 6936 states and 9077 transitions. Second operand has 8 states, 8 states have (on average 21.0) internal successors, (168), 6 states have internal predecessors, (168), 3 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (54), 5 states have call predecessors, (54), 3 states have call successors, (54) [2022-11-20 11:33:33,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:33:33,318 INFO L93 Difference]: Finished difference Result 8506 states and 10907 transitions. [2022-11-20 11:33:33,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 11:33:33,319 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.0) internal successors, (168), 6 states have internal predecessors, (168), 3 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (54), 5 states have call predecessors, (54), 3 states have call successors, (54) Word has length 420 [2022-11-20 11:33:33,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:33:33,337 INFO L225 Difference]: With dead ends: 8506 [2022-11-20 11:33:33,338 INFO L226 Difference]: Without dead ends: 6953 [2022-11-20 11:33:33,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:33:33,343 INFO L413 NwaCegarLoop]: 2381 mSDtfsCounter, 2 mSDsluCounter, 14257 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 16638 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:33:33,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 16638 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 11:33:33,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6953 states. [2022-11-20 11:33:35,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6953 to 6943. [2022-11-20 11:33:35,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6943 states, 4478 states have (on average 1.1866904868244752) internal successors, (5314), 4528 states have internal predecessors, (5314), 1857 states have call successors, (1857), 600 states have call predecessors, (1857), 599 states have return successors, (1919), 1849 states have call predecessors, (1919), 1853 states have call successors, (1919) [2022-11-20 11:33:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6943 states to 6943 states and 9090 transitions. [2022-11-20 11:33:35,061 INFO L78 Accepts]: Start accepts. Automaton has 6943 states and 9090 transitions. Word has length 420 [2022-11-20 11:33:35,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:33:35,062 INFO L495 AbstractCegarLoop]: Abstraction has 6943 states and 9090 transitions. [2022-11-20 11:33:35,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.0) internal successors, (168), 6 states have internal predecessors, (168), 3 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (54), 5 states have call predecessors, (54), 3 states have call successors, (54) [2022-11-20 11:33:35,062 INFO L276 IsEmpty]: Start isEmpty. Operand 6943 states and 9090 transitions. [2022-11-20 11:33:35,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2022-11-20 11:33:35,066 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:33:35,066 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:33:35,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:33:35,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:33:35,267 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_linux_net_rtnetlink_past_rtnl_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:33:35,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:33:35,267 INFO L85 PathProgramCache]: Analyzing trace with hash -961812198, now seen corresponding path program 1 times [2022-11-20 11:33:35,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:33:35,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [769673089] [2022-11-20 11:33:35,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:33:35,272 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 11:33:35,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:33:35,273 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:33:35,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:33:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:33:44,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 6086 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:33:44,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:33:44,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 963 trivial. 0 not checked. [2022-11-20 11:33:44,512 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:33:44,512 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:33:44,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [769673089] [2022-11-20 11:33:44,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [769673089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:33:44,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:33:44,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:33:44,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663059725] [2022-11-20 11:33:44,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:33:44,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:33:44,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:33:44,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:33:44,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:33:44,515 INFO L87 Difference]: Start difference. First operand 6943 states and 9090 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-20 11:33:46,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:33:46,336 INFO L93 Difference]: Finished difference Result 13828 states and 18485 transitions. [2022-11-20 11:33:46,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:33:46,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 468 [2022-11-20 11:33:46,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:33:46,358 INFO L225 Difference]: With dead ends: 13828 [2022-11-20 11:33:46,358 INFO L226 Difference]: Without dead ends: 6953 [2022-11-20 11:33:46,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 465 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 11:33:46,379 INFO L413 NwaCegarLoop]: 2381 mSDtfsCounter, 2 mSDsluCounter, 4755 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 7136 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:33:46,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 7136 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:33:46,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6953 states. [2022-11-20 11:33:48,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6953 to 6953. [2022-11-20 11:33:48,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6953 states, 4488 states have (on average 1.1862745098039216) internal successors, (5324), 4538 states have internal predecessors, (5324), 1857 states have call successors, (1857), 600 states have call predecessors, (1857), 599 states have return successors, (1919), 1849 states have call predecessors, (1919), 1853 states have call successors, (1919) [2022-11-20 11:33:48,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6953 states to 6953 states and 9100 transitions. [2022-11-20 11:33:48,338 INFO L78 Accepts]: Start accepts. Automaton has 6953 states and 9100 transitions. Word has length 468 [2022-11-20 11:33:48,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:33:48,339 INFO L495 AbstractCegarLoop]: Abstraction has 6953 states and 9100 transitions. [2022-11-20 11:33:48,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-20 11:33:48,339 INFO L276 IsEmpty]: Start isEmpty. Operand 6953 states and 9100 transitions. [2022-11-20 11:33:48,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-11-20 11:33:48,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:33:48,342 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 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 11:33:48,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:33:48,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:33:48,543 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_linux_net_rtnetlink_past_rtnl_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:33:48,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:33:48,543 INFO L85 PathProgramCache]: Analyzing trace with hash -752492145, now seen corresponding path program 1 times [2022-11-20 11:33:48,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:33:48,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1021028499] [2022-11-20 11:33:48,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:33:48,548 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 11:33:48,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:33:48,549 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:33:48,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:33:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:33:57,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 6029 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-20 11:33:57,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:33:57,494 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2022-11-20 11:33:57,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:33:57,494 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:33:57,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1021028499] [2022-11-20 11:33:57,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1021028499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:33:57,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:33:57,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 11:33:57,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126540250] [2022-11-20 11:33:57,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:33:57,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:33:57,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:33:57,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:33:57,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:33:57,496 INFO L87 Difference]: Start difference. First operand 6953 states and 9100 transitions. Second operand has 8 states, 8 states have (on average 22.0) internal successors, (176), 6 states have internal predecessors, (176), 3 states have call successors, (60), 2 states have call predecessors, (60), 4 states have return successors, (59), 5 states have call predecessors, (59), 3 states have call successors, (59) [2022-11-20 11:33:59,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:33:59,418 INFO L93 Difference]: Finished difference Result 8522 states and 10922 transitions. [2022-11-20 11:33:59,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 11:33:59,420 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.0) internal successors, (176), 6 states have internal predecessors, (176), 3 states have call successors, (60), 2 states have call predecessors, (60), 4 states have return successors, (59), 5 states have call predecessors, (59), 3 states have call successors, (59) Word has length 437 [2022-11-20 11:33:59,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:33:59,434 INFO L225 Difference]: With dead ends: 8522 [2022-11-20 11:33:59,434 INFO L226 Difference]: Without dead ends: 6963 [2022-11-20 11:33:59,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:33:59,437 INFO L413 NwaCegarLoop]: 2383 mSDtfsCounter, 2 mSDsluCounter, 14272 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 16655 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:33:59,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 16655 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 11:33:59,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6963 states. [2022-11-20 11:34:01,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6963 to 6953. [2022-11-20 11:34:01,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6953 states, 4488 states have (on average 1.1862745098039216) internal successors, (5324), 4538 states have internal predecessors, (5324), 1857 states have call successors, (1857), 600 states have call predecessors, (1857), 599 states have return successors, (1918), 1849 states have call predecessors, (1918), 1853 states have call successors, (1918) [2022-11-20 11:34:01,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6953 states to 6953 states and 9099 transitions. [2022-11-20 11:34:01,088 INFO L78 Accepts]: Start accepts. Automaton has 6953 states and 9099 transitions. Word has length 437 [2022-11-20 11:34:01,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:34:01,089 INFO L495 AbstractCegarLoop]: Abstraction has 6953 states and 9099 transitions. [2022-11-20 11:34:01,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.0) internal successors, (176), 6 states have internal predecessors, (176), 3 states have call successors, (60), 2 states have call predecessors, (60), 4 states have return successors, (59), 5 states have call predecessors, (59), 3 states have call successors, (59) [2022-11-20 11:34:01,089 INFO L276 IsEmpty]: Start isEmpty. Operand 6953 states and 9099 transitions. [2022-11-20 11:34:01,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-11-20 11:34:01,092 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:34:01,093 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:34:01,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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)] Forceful destruction successful, exit code 0 [2022-11-20 11:34:01,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:34:01,293 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_linux_net_rtnetlink_past_rtnl_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:34:01,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:34:01,294 INFO L85 PathProgramCache]: Analyzing trace with hash 767434539, now seen corresponding path program 2 times [2022-11-20 11:34:01,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:34:01,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [39127019] [2022-11-20 11:34:01,298 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:34:01,298 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 11:34:01,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:34:01,299 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:34:01,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 (41)] Waiting until timeout for monitored process [2022-11-20 11:34:06,832 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:34:06,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:34:07,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 4755 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 11:34:07,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:34:07,296 INFO L134 CoverageAnalysis]: Checked inductivity of 971 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 971 trivial. 0 not checked. [2022-11-20 11:34:07,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:34:07,296 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:34:07,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [39127019] [2022-11-20 11:34:07,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [39127019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:34:07,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:34:07,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:34:07,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168133082] [2022-11-20 11:34:07,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:34:07,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:34:07,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:34:07,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:34:07,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:34:07,298 INFO L87 Difference]: Start difference. First operand 6953 states and 9099 transitions. Second operand has 6 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-20 11:34:09,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:34:09,720 INFO L93 Difference]: Finished difference Result 8141 states and 10443 transitions. [2022-11-20 11:34:09,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:34:09,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 453 [2022-11-20 11:34:09,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:34:09,740 INFO L225 Difference]: With dead ends: 8141 [2022-11-20 11:34:09,740 INFO L226 Difference]: Without dead ends: 6953 [2022-11-20 11:34:09,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 448 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 11:34:09,744 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 10 mSDsluCounter, 9333 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 11681 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 11:34:09,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 11681 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 11:34:09,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6953 states. [2022-11-20 11:34:11,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6953 to 6953. [2022-11-20 11:34:11,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6953 states, 4488 states have (on average 1.1853832442067735) internal successors, (5320), 4538 states have internal predecessors, (5320), 1857 states have call successors, (1857), 600 states have call predecessors, (1857), 599 states have return successors, (1918), 1849 states have call predecessors, (1918), 1853 states have call successors, (1918) [2022-11-20 11:34:11,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6953 states to 6953 states and 9095 transitions. [2022-11-20 11:34:11,402 INFO L78 Accepts]: Start accepts. Automaton has 6953 states and 9095 transitions. Word has length 453 [2022-11-20 11:34:11,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:34:11,402 INFO L495 AbstractCegarLoop]: Abstraction has 6953 states and 9095 transitions. [2022-11-20 11:34:11,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-20 11:34:11,403 INFO L276 IsEmpty]: Start isEmpty. Operand 6953 states and 9095 transitions. [2022-11-20 11:34:11,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-11-20 11:34:11,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:34:11,405 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:34:11,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 (41)] Forceful destruction successful, exit code 0 [2022-11-20 11:34:11,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:34:11,607 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_linux_net_rtnetlink_past_rtnl_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:34:11,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:34:11,608 INFO L85 PathProgramCache]: Analyzing trace with hash -921509203, now seen corresponding path program 1 times [2022-11-20 11:34:11,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:34:11,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [987455084] [2022-11-20 11:34:11,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:34:11,612 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 11:34:11,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:34:11,613 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:34:11,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 (42)] Waiting until timeout for monitored process [2022-11-20 11:34:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:34:20,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 6063 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-20 11:34:20,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:34:21,079 INFO L134 CoverageAnalysis]: Checked inductivity of 971 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2022-11-20 11:34:21,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:34:21,079 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:34:21,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [987455084] [2022-11-20 11:34:21,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [987455084] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:34:21,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:34:21,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 11:34:21,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057450011] [2022-11-20 11:34:21,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:34:21,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:34:21,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:34:21,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:34:21,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:34:21,081 INFO L87 Difference]: Start difference. First operand 6953 states and 9095 transitions. Second operand has 8 states, 8 states have (on average 19.0) internal successors, (152), 6 states have internal predecessors, (152), 3 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (52), 5 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-20 11:34:22,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:34:22,837 INFO L93 Difference]: Finished difference Result 8466 states and 10855 transitions. [2022-11-20 11:34:22,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 11:34:22,838 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 6 states have internal predecessors, (152), 3 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (52), 5 states have call predecessors, (52), 3 states have call successors, (52) Word has length 453 [2022-11-20 11:34:22,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:34:22,859 INFO L225 Difference]: With dead ends: 8466 [2022-11-20 11:34:22,859 INFO L226 Difference]: Without dead ends: 6958 [2022-11-20 11:34:22,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:34:22,866 INFO L413 NwaCegarLoop]: 2382 mSDtfsCounter, 2 mSDsluCounter, 14266 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 16648 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:34:22,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 16648 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 11:34:22,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6958 states. [2022-11-20 11:34:24,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6958 to 6948. [2022-11-20 11:34:24,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6948 states, 4485 states have (on average 1.1855072463768115) internal successors, (5317), 4535 states have internal predecessors, (5317), 1856 states have call successors, (1856), 600 states have call predecessors, (1856), 598 states have return successors, (1915), 1847 states have call predecessors, (1915), 1852 states have call successors, (1915) [2022-11-20 11:34:24,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6948 states to 6948 states and 9088 transitions. [2022-11-20 11:34:24,547 INFO L78 Accepts]: Start accepts. Automaton has 6948 states and 9088 transitions. Word has length 453 [2022-11-20 11:34:24,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:34:24,548 INFO L495 AbstractCegarLoop]: Abstraction has 6948 states and 9088 transitions. [2022-11-20 11:34:24,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 6 states have internal predecessors, (152), 3 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (52), 5 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-20 11:34:24,548 INFO L276 IsEmpty]: Start isEmpty. Operand 6948 states and 9088 transitions. [2022-11-20 11:34:24,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2022-11-20 11:34:24,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:34:24,551 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:34:24,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 (42)] Forceful destruction successful, exit code 0 [2022-11-20 11:34:24,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:34:24,755 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_linux_net_rtnetlink_past_rtnl_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:34:24,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:34:24,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1158217655, now seen corresponding path program 1 times [2022-11-20 11:34:24,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:34:24,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529794891] [2022-11-20 11:34:24,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:34:24,760 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 11:34:24,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:34:24,761 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:34:24,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 (43)] Waiting until timeout for monitored process [2022-11-20 11:34:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:34:33,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 6097 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:34:33,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:34:34,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 186 proven. 1 refuted. 0 times theorem prover too weak. 963 trivial. 0 not checked. [2022-11-20 11:34:34,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:34:34,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2022-11-20 11:34:34,726 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:34:34,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1529794891] [2022-11-20 11:34:34,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1529794891] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:34:34,726 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:34:34,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 11:34:34,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234026960] [2022-11-20 11:34:34,727 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:34:34,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:34:34,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:34:34,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:34:34,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:34:34,728 INFO L87 Difference]: Start difference. First operand 6948 states and 9088 transitions. Second operand has 8 states, 8 states have (on average 21.375) internal successors, (171), 8 states have internal predecessors, (171), 2 states have call successors, (72), 2 states have call predecessors, (72), 4 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2022-11-20 11:34:36,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:34:36,982 INFO L93 Difference]: Finished difference Result 13851 states and 18501 transitions. [2022-11-20 11:34:36,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 11:34:36,983 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 8 states have internal predecessors, (171), 2 states have call successors, (72), 2 states have call predecessors, (72), 4 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) Word has length 469 [2022-11-20 11:34:36,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:34:36,999 INFO L225 Difference]: With dead ends: 13851 [2022-11-20 11:34:36,999 INFO L226 Difference]: Without dead ends: 6966 [2022-11-20 11:34:37,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 940 GetRequests, 930 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:34:37,015 INFO L413 NwaCegarLoop]: 2376 mSDtfsCounter, 13 mSDsluCounter, 4751 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 7127 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:34:37,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 7127 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 11:34:37,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6966 states. [2022-11-20 11:34:38,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6966 to 6966. [2022-11-20 11:34:38,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6966 states, 4502 states have (on average 1.1854731230564193) internal successors, (5337), 4552 states have internal predecessors, (5337), 1856 states have call successors, (1856), 601 states have call predecessors, (1856), 599 states have return successors, (1915), 1847 states have call predecessors, (1915), 1852 states have call successors, (1915) [2022-11-20 11:34:38,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6966 states to 6966 states and 9108 transitions. [2022-11-20 11:34:38,580 INFO L78 Accepts]: Start accepts. Automaton has 6966 states and 9108 transitions. Word has length 469 [2022-11-20 11:34:38,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:34:38,580 INFO L495 AbstractCegarLoop]: Abstraction has 6966 states and 9108 transitions. [2022-11-20 11:34:38,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 8 states have internal predecessors, (171), 2 states have call successors, (72), 2 states have call predecessors, (72), 4 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2022-11-20 11:34:38,581 INFO L276 IsEmpty]: Start isEmpty. Operand 6966 states and 9108 transitions. [2022-11-20 11:34:38,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2022-11-20 11:34:38,583 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:34:38,583 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:34:38,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 (43)] Forceful destruction successful, exit code 0 [2022-11-20 11:34:38,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:34:38,784 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ar5523_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:34:38,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:34:38,785 INFO L85 PathProgramCache]: Analyzing trace with hash 423240061, now seen corresponding path program 1 times [2022-11-20 11:34:38,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:34:38,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742324487] [2022-11-20 11:34:38,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:34:38,790 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 11:34:38,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:34:38,790 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:34:38,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 (44)] Waiting until timeout for monitored process [2022-11-20 11:34:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:34:51,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 6336 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:34:51,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:34:51,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 1751 trivial. 0 not checked. [2022-11-20 11:34:51,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:34:51,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1754 trivial. 0 not checked. [2022-11-20 11:34:51,979 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:34:51,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742324487] [2022-11-20 11:34:51,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1742324487] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:34:51,981 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:34:51,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-20 11:34:51,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930268841] [2022-11-20 11:34:51,981 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:34:51,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 11:34:51,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:34:51,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 11:34:51,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:34:51,983 INFO L87 Difference]: Start difference. First operand 6966 states and 9108 transitions. Second operand has 10 states, 10 states have (on average 15.6) internal successors, (156), 10 states have internal predecessors, (156), 2 states have call successors, (57), 2 states have call predecessors, (57), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-20 11:34:54,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:34:54,591 INFO L93 Difference]: Finished difference Result 13913 states and 18588 transitions. [2022-11-20 11:34:54,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 11:34:54,592 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.6) internal successors, (156), 10 states have internal predecessors, (156), 2 states have call successors, (57), 2 states have call predecessors, (57), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 421 [2022-11-20 11:34:54,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:34:54,609 INFO L225 Difference]: With dead ends: 13913 [2022-11-20 11:34:54,609 INFO L226 Difference]: Without dead ends: 7048 [2022-11-20 11:34:54,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 846 GetRequests, 832 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=91, Invalid=149, Unknown=0, NotChecked=0, Total=240 [2022-11-20 11:34:54,628 INFO L413 NwaCegarLoop]: 2375 mSDtfsCounter, 23 mSDsluCounter, 9493 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 11868 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:34:54,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 11868 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 11:34:54,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7048 states. [2022-11-20 11:34:56,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7048 to 7048. [2022-11-20 11:34:56,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7048 states, 4578 states have (on average 1.1871996505024027) internal successors, (5435), 4628 states have internal predecessors, (5435), 1856 states have call successors, (1856), 607 states have call predecessors, (1856), 605 states have return successors, (1915), 1847 states have call predecessors, (1915), 1852 states have call successors, (1915) [2022-11-20 11:34:56,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7048 states to 7048 states and 9206 transitions. [2022-11-20 11:34:56,272 INFO L78 Accepts]: Start accepts. Automaton has 7048 states and 9206 transitions. Word has length 421 [2022-11-20 11:34:56,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:34:56,272 INFO L495 AbstractCegarLoop]: Abstraction has 7048 states and 9206 transitions. [2022-11-20 11:34:56,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.6) internal successors, (156), 10 states have internal predecessors, (156), 2 states have call successors, (57), 2 states have call predecessors, (57), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-20 11:34:56,273 INFO L276 IsEmpty]: Start isEmpty. Operand 7048 states and 9206 transitions. [2022-11-20 11:34:56,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-11-20 11:34:56,276 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:34:56,276 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:34:56,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 (44)] Forceful destruction successful, exit code 0 [2022-11-20 11:34:56,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:34:56,477 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ldv_linux_net_rtnetlink_past_rtnl_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:34:56,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:34:56,478 INFO L85 PathProgramCache]: Analyzing trace with hash 382644188, now seen corresponding path program 2 times [2022-11-20 11:34:56,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:34:56,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036539310] [2022-11-20 11:34:56,482 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:34:56,482 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 11:34:56,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:34:56,486 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:34:56,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 (45)] Waiting until timeout for monitored process [2022-11-20 11:35:01,841 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:35:01,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:35:02,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 4755 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:35:02,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:35:02,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1159 trivial. 0 not checked. [2022-11-20 11:35:02,203 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:35:02,203 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:35:02,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036539310] [2022-11-20 11:35:02,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036539310] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:35:02,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:35:02,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:35:02,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065264841] [2022-11-20 11:35:02,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:35:02,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:35:02,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:35:02,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:35:02,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:35:02,205 INFO L87 Difference]: Start difference. First operand 7048 states and 9206 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 2 states have call predecessors, (50), 1 states have call successors, (50) [2022-11-20 11:35:04,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:35:06,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:35:06,426 INFO L93 Difference]: Finished difference Result 7056 states and 9210 transitions. [2022-11-20 11:35:06,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:35:06,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 2 states have call predecessors, (50), 1 states have call successors, (50) Word has length 472 [2022-11-20 11:35:06,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:35:06,447 INFO L225 Difference]: With dead ends: 7056 [2022-11-20 11:35:06,447 INFO L226 Difference]: Without dead ends: 7054 [2022-11-20 11:35:06,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 469 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 11:35:06,450 INFO L413 NwaCegarLoop]: 2586 mSDtfsCounter, 515 mSDsluCounter, 4893 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 7479 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:35:06,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 7479 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-20 11:35:06,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7054 states. [2022-11-20 11:35:07,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7054 to 7046. [2022-11-20 11:35:07,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7046 states, 4577 states have (on average 1.1863666156871313) internal successors, (5430), 4626 states have internal predecessors, (5430), 1856 states have call successors, (1856), 607 states have call predecessors, (1856), 605 states have return successors, (1915), 1847 states have call predecessors, (1915), 1852 states have call successors, (1915) [2022-11-20 11:35:07,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7046 states to 7046 states and 9201 transitions. [2022-11-20 11:35:07,997 INFO L78 Accepts]: Start accepts. Automaton has 7046 states and 9201 transitions. Word has length 472 [2022-11-20 11:35:07,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:35:07,997 INFO L495 AbstractCegarLoop]: Abstraction has 7046 states and 9201 transitions. [2022-11-20 11:35:07,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 2 states have call predecessors, (50), 1 states have call successors, (50) [2022-11-20 11:35:07,998 INFO L276 IsEmpty]: Start isEmpty. Operand 7046 states and 9201 transitions. [2022-11-20 11:35:08,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2022-11-20 11:35:08,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:35:08,000 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:35:08,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 (45)] Forceful destruction successful, exit code 0 [2022-11-20 11:35:08,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:35:08,201 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ar5523_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-20 11:35:08,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:35:08,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1850249411, now seen corresponding path program 2 times [2022-11-20 11:35:08,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:35:08,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789242753] [2022-11-20 11:35:08,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:35:08,207 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 11:35:08,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:35:08,208 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 11:35:08,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5536fc-cd9e-4a51-8b25-122c84c033c1/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 (46)] Waiting until timeout for monitored process