./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--scsi--megaraid.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ac352421032347d7bf5d3bf9ef59e7281826004c82f3c932b159f55f0c829686 --- 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-5e519f3 [2022-11-03 02:53:15,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:53:15,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:53:15,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:53:15,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:53:15,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:53:15,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:53:15,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:53:15,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:53:15,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:53:15,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:53:15,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:53:15,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:53:15,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:53:15,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:53:15,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:53:15,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:53:15,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:53:15,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:53:15,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:53:15,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:53:15,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:53:15,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:53:15,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:53:15,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:53:15,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:53:15,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:53:15,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:53:15,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:53:15,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:53:15,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:53:15,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:53:15,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:53:15,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:53:15,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:53:15,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:53:15,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:53:15,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:53:15,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:53:15,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:53:15,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:53:15,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:53:15,569 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:53:15,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:53:15,570 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:53:15,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:53:15,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:53:15,573 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:53:15,573 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:53:15,573 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:53:15,573 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:53:15,574 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:53:15,575 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:53:15,575 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:53:15,576 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:53:15,576 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:53:15,576 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:53:15,576 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:53:15,577 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:53:15,577 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:53:15,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:53:15,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:53:15,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:53:15,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:53:15,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:53:15,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:53:15,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:53:15,582 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:53:15,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:53:15,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:53:15,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:53:15,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:53:15,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:53:15,584 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:53:15,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:53:15,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:53:15,584 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:53:15,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:53:15,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:53:15,585 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:53:15,586 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_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac352421032347d7bf5d3bf9ef59e7281826004c82f3c932b159f55f0c829686 [2022-11-03 02:53:15,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:53:15,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:53:15,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:53:15,935 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:53:15,936 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:53:15,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2022-11-03 02:53:16,033 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/data/e9c3ff13a/fd5ee9ffed0e48f9b8245a3e599dbef0/FLAG69ea983e0 [2022-11-03 02:53:17,283 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:53:17,285 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2022-11-03 02:53:17,370 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/data/e9c3ff13a/fd5ee9ffed0e48f9b8245a3e599dbef0/FLAG69ea983e0 [2022-11-03 02:53:17,471 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/data/e9c3ff13a/fd5ee9ffed0e48f9b8245a3e599dbef0 [2022-11-03 02:53:17,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:53:17,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:53:17,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:53:17,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:53:17,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:53:17,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:53:17" (1/1) ... [2022-11-03 02:53:17,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7622516a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:17, skipping insertion in model container [2022-11-03 02:53:17,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:53:17" (1/1) ... [2022-11-03 02:53:17,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:53:17,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:53:23,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486469,486482] [2022-11-03 02:53:23,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486614,486627] [2022-11-03 02:53:23,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486760,486773] [2022-11-03 02:53:23,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486925,486938] [2022-11-03 02:53:23,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487083,487096] [2022-11-03 02:53:23,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487241,487254] [2022-11-03 02:53:23,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487399,487412] [2022-11-03 02:53:23,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487559,487572] [2022-11-03 02:53:23,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487718,487731] [2022-11-03 02:53:23,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487857,487870] [2022-11-03 02:53:23,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487999,488012] [2022-11-03 02:53:23,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488148,488161] [2022-11-03 02:53:23,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488287,488300] [2022-11-03 02:53:23,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488442,488455] [2022-11-03 02:53:23,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488602,488615] [2022-11-03 02:53:23,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488753,488766] [2022-11-03 02:53:23,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488904,488917] [2022-11-03 02:53:23,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489056,489069] [2022-11-03 02:53:23,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489205,489218] [2022-11-03 02:53:23,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489353,489366] [2022-11-03 02:53:23,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489510,489523] [2022-11-03 02:53:23,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489659,489672] [2022-11-03 02:53:23,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489815,489828] [2022-11-03 02:53:23,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489968,489981] [2022-11-03 02:53:23,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490114,490127] [2022-11-03 02:53:23,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490257,490270] [2022-11-03 02:53:23,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490409,490422] [2022-11-03 02:53:23,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490555,490568] [2022-11-03 02:53:23,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490700,490713] [2022-11-03 02:53:23,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490854,490867] [2022-11-03 02:53:23,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491005,491018] [2022-11-03 02:53:23,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491160,491173] [2022-11-03 02:53:23,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491312,491325] [2022-11-03 02:53:23,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491467,491480] [2022-11-03 02:53:23,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491631,491644] [2022-11-03 02:53:23,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491787,491800] [2022-11-03 02:53:23,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491951,491964] [2022-11-03 02:53:23,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492093,492106] [2022-11-03 02:53:23,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492251,492264] [2022-11-03 02:53:23,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492418,492431] [2022-11-03 02:53:23,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492577,492590] [2022-11-03 02:53:23,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492736,492749] [2022-11-03 02:53:23,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492885,492898] [2022-11-03 02:53:23,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493032,493045] [2022-11-03 02:53:23,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493171,493184] [2022-11-03 02:53:23,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493334,493347] [2022-11-03 02:53:23,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493500,493513] [2022-11-03 02:53:23,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493664,493677] [2022-11-03 02:53:23,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493829,493842] [2022-11-03 02:53:23,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493994,494007] [2022-11-03 02:53:23,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494160,494173] [2022-11-03 02:53:23,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494325,494338] [2022-11-03 02:53:23,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494492,494505] [2022-11-03 02:53:23,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494652,494665] [2022-11-03 02:53:23,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494814,494827] [2022-11-03 02:53:23,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494973,494986] [2022-11-03 02:53:23,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495119,495132] [2022-11-03 02:53:23,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495262,495275] [2022-11-03 02:53:23,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495406,495419] [2022-11-03 02:53:23,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495549,495562] [2022-11-03 02:53:23,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495693,495706] [2022-11-03 02:53:23,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495834,495847] [2022-11-03 02:53:23,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495972,495985] [2022-11-03 02:53:23,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496130,496143] [2022-11-03 02:53:23,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496289,496302] [2022-11-03 02:53:23,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496445,496458] [2022-11-03 02:53:23,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496594,496607] [2022-11-03 02:53:23,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496746,496759] [2022-11-03 02:53:23,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496897,496910] [2022-11-03 02:53:23,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497046,497059] [2022-11-03 02:53:23,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497198,497211] [2022-11-03 02:53:23,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497346,497359] [2022-11-03 02:53:23,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497499,497512] [2022-11-03 02:53:23,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497650,497663] [2022-11-03 02:53:23,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497800,497813] [2022-11-03 02:53:23,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497947,497960] [2022-11-03 02:53:23,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498098,498111] [2022-11-03 02:53:23,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498249,498262] [2022-11-03 02:53:23,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498397,498410] [2022-11-03 02:53:23,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498563,498576] [2022-11-03 02:53:23,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498732,498745] [2022-11-03 02:53:23,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498899,498912] [2022-11-03 02:53:23,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499067,499080] [2022-11-03 02:53:23,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499217,499230] [2022-11-03 02:53:23,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499364,499377] [2022-11-03 02:53:23,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499525,499538] [2022-11-03 02:53:23,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499695,499708] [2022-11-03 02:53:23,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499857,499870] [2022-11-03 02:53:24,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:53:24,078 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:53:24,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486469,486482] [2022-11-03 02:53:24,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486614,486627] [2022-11-03 02:53:24,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486760,486773] [2022-11-03 02:53:24,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486925,486938] [2022-11-03 02:53:24,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487083,487096] [2022-11-03 02:53:24,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487241,487254] [2022-11-03 02:53:24,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487399,487412] [2022-11-03 02:53:24,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487559,487572] [2022-11-03 02:53:24,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487718,487731] [2022-11-03 02:53:24,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487857,487870] [2022-11-03 02:53:24,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487999,488012] [2022-11-03 02:53:24,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488148,488161] [2022-11-03 02:53:24,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488287,488300] [2022-11-03 02:53:24,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488442,488455] [2022-11-03 02:53:24,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488602,488615] [2022-11-03 02:53:24,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488753,488766] [2022-11-03 02:53:24,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488904,488917] [2022-11-03 02:53:24,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489056,489069] [2022-11-03 02:53:24,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489205,489218] [2022-11-03 02:53:24,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489353,489366] [2022-11-03 02:53:24,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489510,489523] [2022-11-03 02:53:24,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489659,489672] [2022-11-03 02:53:24,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489815,489828] [2022-11-03 02:53:24,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489968,489981] [2022-11-03 02:53:24,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490114,490127] [2022-11-03 02:53:24,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490257,490270] [2022-11-03 02:53:24,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490409,490422] [2022-11-03 02:53:24,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490555,490568] [2022-11-03 02:53:24,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490700,490713] [2022-11-03 02:53:24,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490854,490867] [2022-11-03 02:53:24,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491005,491018] [2022-11-03 02:53:24,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491160,491173] [2022-11-03 02:53:24,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491312,491325] [2022-11-03 02:53:24,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491467,491480] [2022-11-03 02:53:24,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491631,491644] [2022-11-03 02:53:24,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491787,491800] [2022-11-03 02:53:24,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491951,491964] [2022-11-03 02:53:24,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492093,492106] [2022-11-03 02:53:24,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492251,492264] [2022-11-03 02:53:24,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492418,492431] [2022-11-03 02:53:24,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492577,492590] [2022-11-03 02:53:24,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492736,492749] [2022-11-03 02:53:24,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492885,492898] [2022-11-03 02:53:24,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493032,493045] [2022-11-03 02:53:24,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493171,493184] [2022-11-03 02:53:24,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493334,493347] [2022-11-03 02:53:24,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493500,493513] [2022-11-03 02:53:24,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493664,493677] [2022-11-03 02:53:24,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493829,493842] [2022-11-03 02:53:24,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493994,494007] [2022-11-03 02:53:24,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494160,494173] [2022-11-03 02:53:24,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494325,494338] [2022-11-03 02:53:24,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494492,494505] [2022-11-03 02:53:24,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494652,494665] [2022-11-03 02:53:24,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494814,494827] [2022-11-03 02:53:24,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494973,494986] [2022-11-03 02:53:24,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495119,495132] [2022-11-03 02:53:24,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495262,495275] [2022-11-03 02:53:24,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495406,495419] [2022-11-03 02:53:24,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495549,495562] [2022-11-03 02:53:24,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495693,495706] [2022-11-03 02:53:24,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495834,495847] [2022-11-03 02:53:24,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495972,495985] [2022-11-03 02:53:24,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496130,496143] [2022-11-03 02:53:24,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496289,496302] [2022-11-03 02:53:24,808 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496445,496458] [2022-11-03 02:53:24,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496594,496607] [2022-11-03 02:53:24,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496746,496759] [2022-11-03 02:53:24,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496897,496910] [2022-11-03 02:53:24,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497046,497059] [2022-11-03 02:53:24,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497198,497211] [2022-11-03 02:53:24,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497346,497359] [2022-11-03 02:53:24,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497499,497512] [2022-11-03 02:53:24,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497650,497663] [2022-11-03 02:53:24,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497800,497813] [2022-11-03 02:53:24,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497947,497960] [2022-11-03 02:53:24,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498098,498111] [2022-11-03 02:53:24,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498249,498262] [2022-11-03 02:53:24,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498397,498410] [2022-11-03 02:53:24,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498563,498576] [2022-11-03 02:53:24,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498732,498745] [2022-11-03 02:53:24,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498899,498912] [2022-11-03 02:53:24,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499067,499080] [2022-11-03 02:53:24,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499217,499230] [2022-11-03 02:53:24,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499364,499377] [2022-11-03 02:53:24,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499525,499538] [2022-11-03 02:53:24,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499695,499708] [2022-11-03 02:53:24,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499857,499870] [2022-11-03 02:53:24,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:53:25,133 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:53:25,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:25 WrapperNode [2022-11-03 02:53:25,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:53:25,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:53:25,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:53:25,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:53:25,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:25" (1/1) ... [2022-11-03 02:53:25,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:25" (1/1) ... [2022-11-03 02:53:25,791 INFO L138 Inliner]: procedures = 746, calls = 3600, calls flagged for inlining = 396, calls inlined = 313, statements flattened = 8753 [2022-11-03 02:53:25,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:53:25,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:53:25,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:53:25,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:53:25,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:25" (1/1) ... [2022-11-03 02:53:25,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:25" (1/1) ... [2022-11-03 02:53:25,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:25" (1/1) ... [2022-11-03 02:53:25,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:25" (1/1) ... [2022-11-03 02:53:26,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:25" (1/1) ... [2022-11-03 02:53:26,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:25" (1/1) ... [2022-11-03 02:53:26,245 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:25" (1/1) ... [2022-11-03 02:53:26,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:25" (1/1) ... [2022-11-03 02:53:26,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:53:26,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:53:26,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:53:26,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:53:26,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:25" (1/1) ... [2022-11-03 02:53:26,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:53:26,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:53:26,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:53:26,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:53:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 02:53:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 02:53:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-03 02:53:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-03 02:53:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-11-03 02:53:26,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-11-03 02:53:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 02:53:26,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 02:53:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_info [2022-11-03 02:53:26,560 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_info [2022-11-03 02:53:26,561 INFO L130 BoogieDeclarations]: Found specification of procedure mega_adapinq [2022-11-03 02:53:26,561 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_adapinq [2022-11-03 02:53:26,561 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-03 02:53:26,561 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-03 02:53:26,561 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 02:53:26,562 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 02:53:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_inquiry [2022-11-03 02:53:26,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_inquiry [2022-11-03 02:53:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2022-11-03 02:53:26,562 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2022-11-03 02:53:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:53:26,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:53:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 02:53:26,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 02:53:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 02:53:26,563 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 02:53:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure mega_build_sglist [2022-11-03 02:53:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_build_sglist [2022-11-03 02:53:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 02:53:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 02:53:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:53:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:53:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-03 02:53:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-03 02:53:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 02:53:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 02:53:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure megadev_unlocked_ioctl [2022-11-03 02:53:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure megadev_unlocked_ioctl [2022-11-03 02:53:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 02:53:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_scb [2022-11-03 02:53:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_scb [2022-11-03 02:53:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:53:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:53:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:53:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:53:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-03 02:53:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-03 02:53:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort_and_reset [2022-11-03 02:53:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort_and_reset [2022-11-03 02:53:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:53:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:53:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-03 02:53:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-03 02:53:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 02:53:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 02:53:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:53:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-03 02:53:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-03 02:53:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure issue_scb_block [2022-11-03 02:53:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_scb_block [2022-11-03 02:53:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:53:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 02:53:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 02:53:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:53:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:53:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_sgl [2022-11-03 02:53:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_sgl [2022-11-03 02:53:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-03 02:53:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-03 02:53:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:53:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-03 02:53:26,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-03 02:53:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:53:26,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:53:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 02:53:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 02:53:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:53:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 02:53:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 02:53:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:53:26,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:53:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-03 02:53:26,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-03 02:53:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:53:26,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:53:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 02:53:26,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 02:53:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 02:53:26,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 02:53:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:53:26,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:53:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-03 02:53:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-03 02:53:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure mega_runpendq [2022-11-03 02:53:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_runpendq [2022-11-03 02:53:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-11-03 02:53:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-11-03 02:53:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 02:53:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 02:53:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 02:53:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 02:53:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 02:53:26,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 02:53:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:53:26,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:53:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-03 02:53:26,578 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-03 02:53:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 02:53:26,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 02:53:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-03 02:53:26,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-03 02:53:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_int_mtx_of_NOT_ARG_SIGN [2022-11-03 02:53:26,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_int_mtx_of_NOT_ARG_SIGN [2022-11-03 02:53:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:53:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-11-03 02:53:26,580 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-11-03 02:53:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-03 02:53:26,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-03 02:53:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 02:53:26,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 02:53:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:53:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2022-11-03 02:53:26,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2022-11-03 02:53:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:53:26,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:53:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:53:26,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:53:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure mega_n_to_m [2022-11-03 02:53:26,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_n_to_m [2022-11-03 02:53:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:53:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:53:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:53:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:53:26,583 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-03 02:53:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-03 02:53:26,583 INFO L130 BoogieDeclarations]: Found specification of procedure mega_internal_command [2022-11-03 02:53:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_internal_command [2022-11-03 02:53:26,583 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-03 02:53:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-03 02:53:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:53:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:53:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_shutdown [2022-11-03 02:53:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_shutdown [2022-11-03 02:53:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-03 02:53:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-03 02:53:26,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 02:53:26,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 02:53:26,585 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-11-03 02:53:26,585 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-11-03 02:53:26,585 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 02:53:26,585 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 02:53:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure proc_show_rdrv [2022-11-03 02:53:26,586 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_show_rdrv [2022-11-03 02:53:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:53:26,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:53:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:53:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:53:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:53:26,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:53:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_inquiry [2022-11-03 02:53:26,587 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_inquiry [2022-11-03 02:53:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure free_local_pdev [2022-11-03 02:53:26,587 INFO L138 BoogieDeclarations]: Found implementation of procedure free_local_pdev [2022-11-03 02:53:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 02:53:26,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 02:53:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure proc_show_pdrv [2022-11-03 02:53:26,588 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_show_pdrv [2022-11-03 02:53:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-03 02:53:26,588 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-03 02:53:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-11-03 02:53:26,589 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-11-03 02:53:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-03 02:53:26,589 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-03 02:53:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2022-11-03 02:53:26,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2022-11-03 02:53:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure __megaraid_shutdown [2022-11-03 02:53:26,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __megaraid_shutdown [2022-11-03 02:53:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 02:53:26,590 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 02:53:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:53:26,590 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:53:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-03 02:53:26,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-03 02:53:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2022-11-03 02:53:26,591 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2022-11-03 02:53:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-03 02:53:26,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-03 02:53:26,592 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 02:53:26,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 02:53:26,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-03 02:53:26,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-03 02:53:26,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 02:53:26,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 02:53:26,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:53:26,593 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_reset [2022-11-03 02:53:26,593 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_reset [2022-11-03 02:53:26,593 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:53:26,593 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:53:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 02:53:26,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 02:53:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:53:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_queue [2022-11-03 02:53:26,594 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_queue [2022-11-03 02:53:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_biosparam [2022-11-03 02:53:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_biosparam [2022-11-03 02:53:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_remove_one [2022-11-03 02:53:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_remove_one [2022-11-03 02:53:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-03 02:53:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-03 02:53:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:53:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 02:53:26,596 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 02:53:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 02:53:26,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 02:53:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-03 02:53:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-03 02:53:26,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 02:53:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 02:53:26,597 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-03 02:53:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-03 02:53:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:53:26,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:53:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 02:53:26,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 02:53:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure seq_write [2022-11-03 02:53:26,598 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_write [2022-11-03 02:53:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_scb [2022-11-03 02:53:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_scb [2022-11-03 02:53:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 02:53:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 02:53:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure make_local_pdev [2022-11-03 02:53:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure make_local_pdev [2022-11-03 02:53:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 02:53:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 02:53:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-03 02:53:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-03 02:53:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 02:53:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 02:53:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 02:53:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 02:53:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 02:53:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 02:53:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-03 02:53:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-03 02:53:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:53:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:53:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-03 02:53:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-03 02:53:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:53:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 02:53:26,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 02:53:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-03 02:53:26,603 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-03 02:53:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:53:26,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:53:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 02:53:26,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 02:53:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 02:53:26,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 02:53:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 02:53:26,604 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 02:53:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure mega_rundoneq [2022-11-03 02:53:26,605 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_rundoneq [2022-11-03 02:53:26,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:53:26,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:53:26,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 02:53:26,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 02:53:26,606 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 02:53:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 02:53:26,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:53:26,606 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-03 02:53:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-03 02:53:26,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-11-03 02:53:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-11-03 02:53:26,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_megadev_mutex [2022-11-03 02:53:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_megadev_mutex [2022-11-03 02:53:26,607 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort [2022-11-03 02:53:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort [2022-11-03 02:53:26,607 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-11-03 02:53:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-11-03 02:53:28,176 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:53:28,188 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:53:28,632 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:53:31,875 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: mega_build_cmd_#res#1.base, mega_build_cmd_#res#1.offset := 0, 0;call ULTIMATE.dealloc(mega_build_cmd_~#seg~0#1.base, mega_build_cmd_~#seg~0#1.offset);havoc mega_build_cmd_~#seg~0#1.base, mega_build_cmd_~#seg~0#1.offset; [2022-11-03 02:53:45,391 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:53:48,294 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:53:48,295 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-03 02:53:48,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:53:48 BoogieIcfgContainer [2022-11-03 02:53:48,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:53:48,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:53:48,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:53:48,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:53:48,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:53:17" (1/3) ... [2022-11-03 02:53:48,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@676b8924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:53:48, skipping insertion in model container [2022-11-03 02:53:48,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:25" (2/3) ... [2022-11-03 02:53:48,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@676b8924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:53:48, skipping insertion in model container [2022-11-03 02:53:48,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:53:48" (3/3) ... [2022-11-03 02:53:48,314 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2022-11-03 02:53:48,338 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:53:48,338 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2022-11-03 02:53:48,450 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:53:48,457 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=FINITE_AUTOMATA, 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;@13147e67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:53:48,457 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2022-11-03 02:53:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand has 2167 states, 1276 states have (on average 1.3205329153605017) internal successors, (1685), 1368 states have internal predecessors, (1685), 725 states have call successors, (725), 131 states have call predecessors, (725), 130 states have return successors, (718), 708 states have call predecessors, (718), 718 states have call successors, (718) [2022-11-03 02:53:48,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-03 02:53:48,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:48,484 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:53:48,484 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:53:48,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:48,491 INFO L85 PathProgramCache]: Analyzing trace with hash 480471242, now seen corresponding path program 1 times [2022-11-03 02:53:48,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:48,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605481571] [2022-11-03 02:53:48,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:48,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:50,228 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-03 02:53:50,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:50,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605481571] [2022-11-03 02:53:50,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605481571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:50,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:50,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:53:50,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799428113] [2022-11-03 02:53:50,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:50,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:53:50,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:50,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:53:50,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:53:50,297 INFO L87 Difference]: Start difference. First operand has 2167 states, 1276 states have (on average 1.3205329153605017) internal successors, (1685), 1368 states have internal predecessors, (1685), 725 states have call successors, (725), 131 states have call predecessors, (725), 130 states have return successors, (718), 708 states have call predecessors, (718), 718 states have call successors, (718) Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 02:53:54,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:57,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:00,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:03,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:06,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:54:08,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:54:12,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:14,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:54:14,032 INFO L93 Difference]: Finished difference Result 5230 states and 7661 transitions. [2022-11-03 02:54:14,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:54:14,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2022-11-03 02:54:14,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:54:14,088 INFO L225 Difference]: With dead ends: 5230 [2022-11-03 02:54:14,088 INFO L226 Difference]: Without dead ends: 3065 [2022-11-03 02:54:14,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:54:14,114 INFO L413 NwaCegarLoop]: 3098 mSDtfsCounter, 3065 mSDsluCounter, 8178 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3068 SdHoareTripleChecker+Valid, 10416 SdHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:54:14,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3068 Valid, 10416 Invalid, 1250 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1240 Invalid, 5 Unknown, 0 Unchecked, 23.2s Time] [2022-11-03 02:54:14,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3065 states. [2022-11-03 02:54:14,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3065 to 3000. [2022-11-03 02:54:14,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3000 states, 1761 states have (on average 1.2776831345826236) internal successors, (2250), 1871 states have internal predecessors, (2250), 1004 states have call successors, (1004), 202 states have call predecessors, (1004), 201 states have return successors, (1002), 989 states have call predecessors, (1002), 1002 states have call successors, (1002) [2022-11-03 02:54:14,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 3000 states and 4256 transitions. [2022-11-03 02:54:14,436 INFO L78 Accepts]: Start accepts. Automaton has 3000 states and 4256 transitions. Word has length 46 [2022-11-03 02:54:14,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:54:14,439 INFO L495 AbstractCegarLoop]: Abstraction has 3000 states and 4256 transitions. [2022-11-03 02:54:14,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 02:54:14,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 4256 transitions. [2022-11-03 02:54:14,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-03 02:54:14,449 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:54:14,450 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:54:14,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:54:14,451 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:54:14,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:54:14,451 INFO L85 PathProgramCache]: Analyzing trace with hash 395495126, now seen corresponding path program 1 times [2022-11-03 02:54:14,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:54:14,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623873625] [2022-11-03 02:54:14,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:14,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:54:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:54:15,337 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-03 02:54:15,337 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:54:15,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623873625] [2022-11-03 02:54:15,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623873625] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:54:15,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:54:15,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:54:15,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831230040] [2022-11-03 02:54:15,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:54:15,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:54:15,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:54:15,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:54:15,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:54:15,343 INFO L87 Difference]: Start difference. First operand 3000 states and 4256 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 02:54:18,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:22,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:24,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:27,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:30,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:34,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:35,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:37,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:40,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:54:40,263 INFO L93 Difference]: Finished difference Result 5173 states and 7244 transitions. [2022-11-03 02:54:40,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:54:40,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 61 [2022-11-03 02:54:40,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:54:40,307 INFO L225 Difference]: With dead ends: 5173 [2022-11-03 02:54:40,307 INFO L226 Difference]: Without dead ends: 5171 [2022-11-03 02:54:40,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:54:40,313 INFO L413 NwaCegarLoop]: 3124 mSDtfsCounter, 1811 mSDsluCounter, 10003 mSDsCounter, 0 mSdLazyCounter, 1463 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1812 SdHoareTripleChecker+Valid, 12042 SdHoareTripleChecker+Invalid, 1467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1463 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:54:40,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1812 Valid, 12042 Invalid, 1467 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1463 Invalid, 3 Unknown, 0 Unchecked, 24.5s Time] [2022-11-03 02:54:40,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5171 states. [2022-11-03 02:54:40,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5171 to 4888. [2022-11-03 02:54:40,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4888 states, 2854 states have (on average 1.2655921513665032) internal successors, (3612), 3027 states have internal predecessors, (3612), 1660 states have call successors, (1660), 341 states have call predecessors, (1660), 340 states have return successors, (1658), 1635 states have call predecessors, (1658), 1658 states have call successors, (1658) [2022-11-03 02:54:40,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4888 states to 4888 states and 6930 transitions. [2022-11-03 02:54:40,809 INFO L78 Accepts]: Start accepts. Automaton has 4888 states and 6930 transitions. Word has length 61 [2022-11-03 02:54:40,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:54:40,810 INFO L495 AbstractCegarLoop]: Abstraction has 4888 states and 6930 transitions. [2022-11-03 02:54:40,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 02:54:40,810 INFO L276 IsEmpty]: Start isEmpty. Operand 4888 states and 6930 transitions. [2022-11-03 02:54:40,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-03 02:54:40,817 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:54:40,817 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-03 02:54:40,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:54:40,817 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:54:40,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:54:40,819 INFO L85 PathProgramCache]: Analyzing trace with hash 994155557, now seen corresponding path program 1 times [2022-11-03 02:54:40,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:54:40,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499462630] [2022-11-03 02:54:40,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:40,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:54:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:54:41,501 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:54:41,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:54:41,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499462630] [2022-11-03 02:54:41,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499462630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:54:41,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:54:41,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:54:41,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068890795] [2022-11-03 02:54:41,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:54:41,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:54:41,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:54:41,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:54:41,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:54:41,505 INFO L87 Difference]: Start difference. First operand 4888 states and 6930 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 02:54:44,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:46,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:48,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:51,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:02,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:06,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:55:06,711 INFO L93 Difference]: Finished difference Result 9744 states and 13854 transitions. [2022-11-03 02:55:06,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:55:06,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2022-11-03 02:55:06,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:55:06,785 INFO L225 Difference]: With dead ends: 9744 [2022-11-03 02:55:06,786 INFO L226 Difference]: Without dead ends: 9742 [2022-11-03 02:55:06,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:55:06,794 INFO L413 NwaCegarLoop]: 4213 mSDtfsCounter, 3027 mSDsluCounter, 7818 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3029 SdHoareTripleChecker+Valid, 11128 SdHoareTripleChecker+Invalid, 1463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:55:06,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3029 Valid, 11128 Invalid, 1463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1459 Invalid, 3 Unknown, 0 Unchecked, 24.6s Time] [2022-11-03 02:55:06,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9742 states. [2022-11-03 02:55:07,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9742 to 9458. [2022-11-03 02:55:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9458 states, 5533 states have (on average 1.2656786553406831) internal successors, (7003), 5848 states have internal predecessors, (7003), 3249 states have call successors, (3249), 643 states have call predecessors, (3249), 642 states have return successors, (3286), 3197 states have call predecessors, (3286), 3247 states have call successors, (3286) [2022-11-03 02:55:07,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9458 states to 9458 states and 13538 transitions. [2022-11-03 02:55:07,687 INFO L78 Accepts]: Start accepts. Automaton has 9458 states and 13538 transitions. Word has length 63 [2022-11-03 02:55:07,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:55:07,688 INFO L495 AbstractCegarLoop]: Abstraction has 9458 states and 13538 transitions. [2022-11-03 02:55:07,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 02:55:07,689 INFO L276 IsEmpty]: Start isEmpty. Operand 9458 states and 13538 transitions. [2022-11-03 02:55:07,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-03 02:55:07,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:55:07,690 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:55:07,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:55:07,692 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:55:07,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:55:07,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1531048386, now seen corresponding path program 1 times [2022-11-03 02:55:07,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:55:07,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495584712] [2022-11-03 02:55:07,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:55:07,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:55:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:55:09,232 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:55:09,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:55:09,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495584712] [2022-11-03 02:55:09,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495584712] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:55:09,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:55:09,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:55:09,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852472947] [2022-11-03 02:55:09,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:55:09,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 02:55:09,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:55:09,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 02:55:09,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:55:09,234 INFO L87 Difference]: Start difference. First operand 9458 states and 13538 transitions. Second operand has 12 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 11 states have internal predecessors, (33), 7 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2022-11-03 02:55:13,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:21,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:24,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:26,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:28,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:37,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:39,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:42,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:47,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:55:47,480 INFO L93 Difference]: Finished difference Result 12160 states and 17288 transitions. [2022-11-03 02:55:47,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 02:55:47,480 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 11 states have internal predecessors, (33), 7 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 66 [2022-11-03 02:55:47,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:55:47,543 INFO L225 Difference]: With dead ends: 12160 [2022-11-03 02:55:47,543 INFO L226 Difference]: Without dead ends: 9529 [2022-11-03 02:55:47,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:55:47,624 INFO L413 NwaCegarLoop]: 2680 mSDtfsCounter, 29 mSDsluCounter, 30144 mSDsCounter, 0 mSdLazyCounter, 4598 mSolverCounterSat, 122 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 29235 SdHoareTripleChecker+Invalid, 4723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 4598 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:55:47,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 29235 Invalid, 4723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [122 Valid, 4598 Invalid, 3 Unknown, 0 Unchecked, 37.6s Time] [2022-11-03 02:55:47,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9529 states. [2022-11-03 02:55:48,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9529 to 9494. [2022-11-03 02:55:48,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9494 states, 5553 states have (on average 1.264721772015127) internal successors, (7023), 5868 states have internal predecessors, (7023), 3265 states have call successors, (3265), 643 states have call predecessors, (3265), 642 states have return successors, (3302), 3213 states have call predecessors, (3302), 3263 states have call successors, (3302) [2022-11-03 02:55:48,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9494 states to 9494 states and 13590 transitions. [2022-11-03 02:55:48,189 INFO L78 Accepts]: Start accepts. Automaton has 9494 states and 13590 transitions. Word has length 66 [2022-11-03 02:55:48,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:55:48,189 INFO L495 AbstractCegarLoop]: Abstraction has 9494 states and 13590 transitions. [2022-11-03 02:55:48,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 11 states have internal predecessors, (33), 7 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2022-11-03 02:55:48,190 INFO L276 IsEmpty]: Start isEmpty. Operand 9494 states and 13590 transitions. [2022-11-03 02:55:48,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-03 02:55:48,192 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:55:48,192 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-03 02:55:48,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:55:48,193 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:55:48,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:55:48,193 INFO L85 PathProgramCache]: Analyzing trace with hash 2057442819, now seen corresponding path program 1 times [2022-11-03 02:55:48,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:55:48,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600095277] [2022-11-03 02:55:48,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:55:48,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:55:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:55:48,791 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:55:48,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:55:48,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600095277] [2022-11-03 02:55:48,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600095277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:55:48,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:55:48,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:55:48,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301662715] [2022-11-03 02:55:48,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:55:48,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:55:48,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:55:48,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:55:48,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:55:48,794 INFO L87 Difference]: Start difference. First operand 9494 states and 13590 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 02:55:51,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:54,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:55,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:57,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:00,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:56:02,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:04,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:06,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:56:06,297 INFO L93 Difference]: Finished difference Result 10768 states and 15113 transitions. [2022-11-03 02:56:06,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:56:06,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 68 [2022-11-03 02:56:06,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:56:06,352 INFO L225 Difference]: With dead ends: 10768 [2022-11-03 02:56:06,353 INFO L226 Difference]: Without dead ends: 10766 [2022-11-03 02:56:06,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:56:06,362 INFO L413 NwaCegarLoop]: 3132 mSDtfsCounter, 1784 mSDsluCounter, 6530 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1790 SdHoareTripleChecker+Valid, 8935 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:56:06,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1790 Valid, 8935 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1102 Invalid, 3 Unknown, 0 Unchecked, 17.1s Time] [2022-11-03 02:56:06,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10766 states. [2022-11-03 02:56:06,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10766 to 10497. [2022-11-03 02:56:06,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10497 states, 6137 states have (on average 1.2587583509858238) internal successors, (7725), 6460 states have internal predecessors, (7725), 3522 states have call successors, (3522), 805 states have call predecessors, (3522), 804 states have return successors, (3559), 3466 states have call predecessors, (3559), 3520 states have call successors, (3559) [2022-11-03 02:56:07,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10497 states to 10497 states and 14806 transitions. [2022-11-03 02:56:07,015 INFO L78 Accepts]: Start accepts. Automaton has 10497 states and 14806 transitions. Word has length 68 [2022-11-03 02:56:07,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:56:07,016 INFO L495 AbstractCegarLoop]: Abstraction has 10497 states and 14806 transitions. [2022-11-03 02:56:07,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 02:56:07,016 INFO L276 IsEmpty]: Start isEmpty. Operand 10497 states and 14806 transitions. [2022-11-03 02:56:07,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-03 02:56:07,017 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:56:07,017 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-03 02:56:07,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:56:07,018 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:56:07,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:56:07,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1541827601, now seen corresponding path program 1 times [2022-11-03 02:56:07,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:56:07,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390387937] [2022-11-03 02:56:07,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:56:07,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:56:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:56:07,486 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:56:07,486 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:56:07,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390387937] [2022-11-03 02:56:07,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390387937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:56:07,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:56:07,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:56:07,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654710907] [2022-11-03 02:56:07,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:56:07,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:56:07,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:56:07,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:56:07,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:56:07,489 INFO L87 Difference]: Start difference. First operand 10497 states and 14806 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 02:56:09,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:12,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:15,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:21,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:56:21,956 INFO L93 Difference]: Finished difference Result 10754 states and 15086 transitions. [2022-11-03 02:56:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:56:21,957 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 73 [2022-11-03 02:56:21,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:56:22,003 INFO L225 Difference]: With dead ends: 10754 [2022-11-03 02:56:22,004 INFO L226 Difference]: Without dead ends: 10752 [2022-11-03 02:56:22,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:56:22,013 INFO L413 NwaCegarLoop]: 3136 mSDtfsCounter, 1794 mSDsluCounter, 6538 mSDsCounter, 0 mSdLazyCounter, 1108 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1796 SdHoareTripleChecker+Valid, 8943 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1108 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:56:22,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1796 Valid, 8943 Invalid, 1110 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1108 Invalid, 1 Unknown, 0 Unchecked, 14.0s Time] [2022-11-03 02:56:22,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10752 states. [2022-11-03 02:56:22,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10752 to 10508. [2022-11-03 02:56:22,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10508 states, 6143 states have (on average 1.2585056161484616) internal successors, (7731), 6466 states have internal predecessors, (7731), 3525 states have call successors, (3525), 807 states have call predecessors, (3525), 806 states have return successors, (3562), 3469 states have call predecessors, (3562), 3523 states have call successors, (3562) [2022-11-03 02:56:22,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10508 states to 10508 states and 14818 transitions. [2022-11-03 02:56:22,796 INFO L78 Accepts]: Start accepts. Automaton has 10508 states and 14818 transitions. Word has length 73 [2022-11-03 02:56:22,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:56:22,796 INFO L495 AbstractCegarLoop]: Abstraction has 10508 states and 14818 transitions. [2022-11-03 02:56:22,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 02:56:22,797 INFO L276 IsEmpty]: Start isEmpty. Operand 10508 states and 14818 transitions. [2022-11-03 02:56:22,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-03 02:56:22,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:56:22,799 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-03 02:56:22,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:56:22,800 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:56:22,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:56:22,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1919995825, now seen corresponding path program 1 times [2022-11-03 02:56:22,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:56:22,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153865715] [2022-11-03 02:56:22,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:56:22,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:56:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:56:23,361 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:56:23,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:56:23,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153865715] [2022-11-03 02:56:23,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153865715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:56:23,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:56:23,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:56:23,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146271641] [2022-11-03 02:56:23,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:56:23,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:56:23,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:56:23,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:56:23,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:56:23,364 INFO L87 Difference]: Start difference. First operand 10508 states and 14818 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 02:56:25,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:35,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:37,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:56:37,347 INFO L93 Difference]: Finished difference Result 10752 states and 15083 transitions. [2022-11-03 02:56:37,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:56:37,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 78 [2022-11-03 02:56:37,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:56:37,388 INFO L225 Difference]: With dead ends: 10752 [2022-11-03 02:56:37,388 INFO L226 Difference]: Without dead ends: 10750 [2022-11-03 02:56:37,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:56:37,394 INFO L413 NwaCegarLoop]: 3136 mSDtfsCounter, 1791 mSDsluCounter, 6538 mSDsCounter, 0 mSdLazyCounter, 1108 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1793 SdHoareTripleChecker+Valid, 8943 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1108 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:56:37,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1793 Valid, 8943 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1108 Invalid, 1 Unknown, 0 Unchecked, 13.5s Time] [2022-11-03 02:56:37,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10750 states. [2022-11-03 02:56:38,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10750 to 10519. [2022-11-03 02:56:38,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10519 states, 6149 states have (on average 1.2582533745324442) internal successors, (7737), 6472 states have internal predecessors, (7737), 3528 states have call successors, (3528), 809 states have call predecessors, (3528), 808 states have return successors, (3565), 3472 states have call predecessors, (3565), 3526 states have call successors, (3565) [2022-11-03 02:56:38,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10519 states to 10519 states and 14830 transitions. [2022-11-03 02:56:38,069 INFO L78 Accepts]: Start accepts. Automaton has 10519 states and 14830 transitions. Word has length 78 [2022-11-03 02:56:38,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:56:38,070 INFO L495 AbstractCegarLoop]: Abstraction has 10519 states and 14830 transitions. [2022-11-03 02:56:38,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 02:56:38,071 INFO L276 IsEmpty]: Start isEmpty. Operand 10519 states and 14830 transitions. [2022-11-03 02:56:38,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-03 02:56:38,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:56:38,079 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-03 02:56:38,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:56:38,079 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:56:38,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:56:38,080 INFO L85 PathProgramCache]: Analyzing trace with hash 460891415, now seen corresponding path program 1 times [2022-11-03 02:56:38,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:56:38,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834599555] [2022-11-03 02:56:38,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:56:38,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:56:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:56:38,498 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:56:38,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:56:38,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834599555] [2022-11-03 02:56:38,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834599555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:56:38,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:56:38,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:56:38,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17888921] [2022-11-03 02:56:38,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:56:38,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:56:38,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:56:38,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:56:38,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:56:38,502 INFO L87 Difference]: Start difference. First operand 10519 states and 14830 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:56:46,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:56:46,686 INFO L93 Difference]: Finished difference Result 10519 states and 14830 transitions. [2022-11-03 02:56:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:56:46,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 83 [2022-11-03 02:56:46,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:56:46,797 INFO L225 Difference]: With dead ends: 10519 [2022-11-03 02:56:46,797 INFO L226 Difference]: Without dead ends: 10517 [2022-11-03 02:56:46,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:56:46,802 INFO L413 NwaCegarLoop]: 2697 mSDtfsCounter, 3033 mSDsluCounter, 3060 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3035 SdHoareTripleChecker+Valid, 5394 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:56:46,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3035 Valid, 5394 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2022-11-03 02:56:46,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10517 states. [2022-11-03 02:56:47,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10517 to 10517. [2022-11-03 02:56:47,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10517 states, 6148 states have (on average 1.2579700715679896) internal successors, (7734), 6470 states have internal predecessors, (7734), 3528 states have call successors, (3528), 809 states have call predecessors, (3528), 808 states have return successors, (3565), 3472 states have call predecessors, (3565), 3526 states have call successors, (3565) [2022-11-03 02:56:47,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10517 states to 10517 states and 14827 transitions. [2022-11-03 02:56:47,478 INFO L78 Accepts]: Start accepts. Automaton has 10517 states and 14827 transitions. Word has length 83 [2022-11-03 02:56:47,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:56:47,478 INFO L495 AbstractCegarLoop]: Abstraction has 10517 states and 14827 transitions. [2022-11-03 02:56:47,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:56:47,479 INFO L276 IsEmpty]: Start isEmpty. Operand 10517 states and 14827 transitions. [2022-11-03 02:56:47,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-03 02:56:47,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:56:47,481 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:56:47,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:56:47,481 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:56:47,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:56:47,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1814760651, now seen corresponding path program 1 times [2022-11-03 02:56:47,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:56:47,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626924779] [2022-11-03 02:56:47,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:56:47,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:56:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:56:47,890 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-03 02:56:47,890 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:56:47,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626924779] [2022-11-03 02:56:47,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626924779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:56:47,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:56:47,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:56:47,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805420774] [2022-11-03 02:56:47,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:56:47,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:56:47,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:56:47,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:56:47,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:56:47,893 INFO L87 Difference]: Start difference. First operand 10517 states and 14827 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 02:56:50,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:53,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:56:53,951 INFO L93 Difference]: Finished difference Result 21004 states and 29618 transitions. [2022-11-03 02:56:53,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:56:53,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2022-11-03 02:56:53,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:56:53,995 INFO L225 Difference]: With dead ends: 21004 [2022-11-03 02:56:53,995 INFO L226 Difference]: Without dead ends: 10507 [2022-11-03 02:56:54,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:56:54,039 INFO L413 NwaCegarLoop]: 2693 mSDtfsCounter, 3047 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3047 SdHoareTripleChecker+Valid, 2693 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:56:54,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3047 Valid, 2693 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-03 02:56:54,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10507 states. [2022-11-03 02:56:54,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10507 to 10507. [2022-11-03 02:56:54,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10507 states, 6139 states have (on average 1.2570451213552696) internal successors, (7717), 6460 states have internal predecessors, (7717), 3528 states have call successors, (3528), 809 states have call predecessors, (3528), 808 states have return successors, (3565), 3472 states have call predecessors, (3565), 3526 states have call successors, (3565) [2022-11-03 02:56:54,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10507 states to 10507 states and 14810 transitions. [2022-11-03 02:56:54,843 INFO L78 Accepts]: Start accepts. Automaton has 10507 states and 14810 transitions. Word has length 101 [2022-11-03 02:56:54,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:56:54,843 INFO L495 AbstractCegarLoop]: Abstraction has 10507 states and 14810 transitions. [2022-11-03 02:56:54,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 02:56:54,844 INFO L276 IsEmpty]: Start isEmpty. Operand 10507 states and 14810 transitions. [2022-11-03 02:56:54,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-03 02:56:54,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:56:54,846 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-03 02:56:54,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:56:54,846 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:56:54,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:56:54,847 INFO L85 PathProgramCache]: Analyzing trace with hash -2075100316, now seen corresponding path program 1 times [2022-11-03 02:56:54,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:56:54,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670774731] [2022-11-03 02:56:54,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:56:54,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:56:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:56:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:56:55,435 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:56:55,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670774731] [2022-11-03 02:56:55,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670774731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:56:55,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:56:55,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:56:55,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733046620] [2022-11-03 02:56:55,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:56:55,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:56:55,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:56:55,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:56:55,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:56:55,438 INFO L87 Difference]: Start difference. First operand 10507 states and 14810 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:56:57,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:01,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:04,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:08,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:10,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:57:13,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:15,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:57:15,304 INFO L93 Difference]: Finished difference Result 10675 states and 14964 transitions. [2022-11-03 02:57:15,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:57:15,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 88 [2022-11-03 02:57:15,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:57:15,341 INFO L225 Difference]: With dead ends: 10675 [2022-11-03 02:57:15,341 INFO L226 Difference]: Without dead ends: 10673 [2022-11-03 02:57:15,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:57:15,350 INFO L413 NwaCegarLoop]: 3746 mSDtfsCounter, 1777 mSDsluCounter, 7157 mSDsCounter, 0 mSdLazyCounter, 1237 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1779 SdHoareTripleChecker+Valid, 10111 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1237 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:57:15,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1779 Valid, 10111 Invalid, 1243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1237 Invalid, 4 Unknown, 0 Unchecked, 19.2s Time] [2022-11-03 02:57:15,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10673 states. [2022-11-03 02:57:16,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10673 to 10504. [2022-11-03 02:57:16,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10504 states, 6139 states have (on average 1.256882228375957) internal successors, (7716), 6460 states have internal predecessors, (7716), 3523 states have call successors, (3523), 811 states have call predecessors, (3523), 810 states have return successors, (3560), 3467 states have call predecessors, (3560), 3521 states have call successors, (3560) [2022-11-03 02:57:16,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10504 states to 10504 states and 14799 transitions. [2022-11-03 02:57:16,093 INFO L78 Accepts]: Start accepts. Automaton has 10504 states and 14799 transitions. Word has length 88 [2022-11-03 02:57:16,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:57:16,094 INFO L495 AbstractCegarLoop]: Abstraction has 10504 states and 14799 transitions. [2022-11-03 02:57:16,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:57:16,094 INFO L276 IsEmpty]: Start isEmpty. Operand 10504 states and 14799 transitions. [2022-11-03 02:57:16,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-03 02:57:16,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:57:16,096 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-03 02:57:16,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 02:57:16,097 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:57:16,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:57:16,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1811506112, now seen corresponding path program 1 times [2022-11-03 02:57:16,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:57:16,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485691836] [2022-11-03 02:57:16,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:57:16,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:57:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:57:16,520 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:57:16,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:57:16,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485691836] [2022-11-03 02:57:16,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485691836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:57:16,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:57:16,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:57:16,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493818790] [2022-11-03 02:57:16,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:57:16,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:57:16,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:57:16,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:57:16,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:57:16,523 INFO L87 Difference]: Start difference. First operand 10504 states and 14799 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 02:57:18,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:22,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:25,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:57:28,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:57:28,262 INFO L93 Difference]: Finished difference Result 11502 states and 16024 transitions. [2022-11-03 02:57:28,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:57:28,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 93 [2022-11-03 02:57:28,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:57:28,304 INFO L225 Difference]: With dead ends: 11502 [2022-11-03 02:57:28,304 INFO L226 Difference]: Without dead ends: 11500 [2022-11-03 02:57:28,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:57:28,313 INFO L413 NwaCegarLoop]: 2752 mSDtfsCounter, 3011 mSDsluCounter, 3425 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3017 SdHoareTripleChecker+Valid, 5774 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:57:28,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3017 Valid, 5774 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 767 Invalid, 2 Unknown, 0 Unchecked, 11.1s Time] [2022-11-03 02:57:28,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11500 states. [2022-11-03 02:57:29,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11500 to 11466. [2022-11-03 02:57:29,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11466 states, 6698 states have (on average 1.2524634219169901) internal successors, (8389), 7026 states have internal predecessors, (8389), 3771 states have call successors, (3771), 967 states have call predecessors, (3771), 966 states have return successors, (3808), 3711 states have call predecessors, (3808), 3769 states have call successors, (3808) [2022-11-03 02:57:29,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11466 states to 11466 states and 15968 transitions. [2022-11-03 02:57:29,145 INFO L78 Accepts]: Start accepts. Automaton has 11466 states and 15968 transitions. Word has length 93 [2022-11-03 02:57:29,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:57:29,146 INFO L495 AbstractCegarLoop]: Abstraction has 11466 states and 15968 transitions. [2022-11-03 02:57:29,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 02:57:29,146 INFO L276 IsEmpty]: Start isEmpty. Operand 11466 states and 15968 transitions. [2022-11-03 02:57:29,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-03 02:57:29,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:57:29,148 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 02:57:29,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 02:57:29,149 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:57:29,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:57:29,149 INFO L85 PathProgramCache]: Analyzing trace with hash 2140840658, now seen corresponding path program 1 times [2022-11-03 02:57:29,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:57:29,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533845224] [2022-11-03 02:57:29,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:57:29,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:57:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:57:29,783 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-03 02:57:29,783 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:57:29,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533845224] [2022-11-03 02:57:29,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533845224] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:57:29,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863728327] [2022-11-03 02:57:29,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:57:29,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:57:29,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:57:29,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:57:29,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:57:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:57:31,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 3115 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:57:31,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:57:31,454 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-03 02:57:31,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:57:31,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863728327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:57:31,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:57:31,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-03 02:57:31,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305635350] [2022-11-03 02:57:31,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:57:31,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:57:31,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:57:31,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:57:31,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:57:31,457 INFO L87 Difference]: Start difference. First operand 11466 states and 15968 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:57:33,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:35,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:37,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:40,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:40,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:57:40,745 INFO L93 Difference]: Finished difference Result 22902 states and 31900 transitions. [2022-11-03 02:57:40,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:57:40,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2022-11-03 02:57:40,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:57:40,787 INFO L225 Difference]: With dead ends: 22902 [2022-11-03 02:57:40,788 INFO L226 Difference]: Without dead ends: 11456 [2022-11-03 02:57:40,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:57:40,827 INFO L413 NwaCegarLoop]: 2686 mSDtfsCounter, 3031 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3031 SdHoareTripleChecker+Valid, 2686 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:57:40,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3031 Valid, 2686 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-11-03 02:57:40,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11456 states. [2022-11-03 02:57:41,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11456 to 11456. [2022-11-03 02:57:41,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11456 states, 6689 states have (on average 1.251607116160861) internal successors, (8372), 7016 states have internal predecessors, (8372), 3771 states have call successors, (3771), 967 states have call predecessors, (3771), 966 states have return successors, (3808), 3711 states have call predecessors, (3808), 3769 states have call successors, (3808) [2022-11-03 02:57:41,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11456 states to 11456 states and 15951 transitions. [2022-11-03 02:57:41,689 INFO L78 Accepts]: Start accepts. Automaton has 11456 states and 15951 transitions. Word has length 109 [2022-11-03 02:57:41,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:57:41,690 INFO L495 AbstractCegarLoop]: Abstraction has 11456 states and 15951 transitions. [2022-11-03 02:57:41,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:57:41,690 INFO L276 IsEmpty]: Start isEmpty. Operand 11456 states and 15951 transitions. [2022-11-03 02:57:41,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-03 02:57:41,692 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:57:41,692 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-03 02:57:41,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:57:41,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-03 02:57:41,902 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:57:41,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:57:41,902 INFO L85 PathProgramCache]: Analyzing trace with hash 2139802362, now seen corresponding path program 1 times [2022-11-03 02:57:41,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:57:41,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154810742] [2022-11-03 02:57:41,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:57:41,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:57:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:57:42,361 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:57:42,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:57:42,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154810742] [2022-11-03 02:57:42,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154810742] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:57:42,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:57:42,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:57:42,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274127592] [2022-11-03 02:57:42,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:57:42,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:57:42,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:57:42,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:57:42,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:57:42,364 INFO L87 Difference]: Start difference. First operand 11456 states and 15951 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 02:57:44,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:51,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:56,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:58,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:57:58,781 INFO L93 Difference]: Finished difference Result 11664 states and 16162 transitions. [2022-11-03 02:57:58,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:57:58,781 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 98 [2022-11-03 02:57:58,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:57:58,822 INFO L225 Difference]: With dead ends: 11664 [2022-11-03 02:57:58,822 INFO L226 Difference]: Without dead ends: 11662 [2022-11-03 02:57:58,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:57:58,829 INFO L413 NwaCegarLoop]: 3130 mSDtfsCounter, 1779 mSDsluCounter, 6514 mSDsCounter, 0 mSdLazyCounter, 1108 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1781 SdHoareTripleChecker+Valid, 8913 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1108 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:57:58,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1781 Valid, 8913 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1108 Invalid, 1 Unknown, 0 Unchecked, 15.5s Time] [2022-11-03 02:57:58,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11662 states. [2022-11-03 02:57:59,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11662 to 11555. [2022-11-03 02:57:59,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11555 states, 6750 states have (on average 1.2514074074074073) internal successors, (8447), 7077 states have internal predecessors, (8447), 3790 states have call successors, (3790), 986 states have call predecessors, (3790), 985 states have return successors, (3827), 3730 states have call predecessors, (3827), 3788 states have call successors, (3827) [2022-11-03 02:57:59,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11555 states to 11555 states and 16064 transitions. [2022-11-03 02:57:59,566 INFO L78 Accepts]: Start accepts. Automaton has 11555 states and 16064 transitions. Word has length 98 [2022-11-03 02:57:59,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:57:59,566 INFO L495 AbstractCegarLoop]: Abstraction has 11555 states and 16064 transitions. [2022-11-03 02:57:59,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 02:57:59,566 INFO L276 IsEmpty]: Start isEmpty. Operand 11555 states and 16064 transitions. [2022-11-03 02:57:59,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-03 02:57:59,568 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:57:59,569 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-03 02:57:59,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 02:57:59,569 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:57:59,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:57:59,570 INFO L85 PathProgramCache]: Analyzing trace with hash -939123107, now seen corresponding path program 1 times [2022-11-03 02:57:59,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:57:59,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256364514] [2022-11-03 02:57:59,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:57:59,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:57:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:58:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:58:00,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:58:00,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256364514] [2022-11-03 02:58:00,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256364514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:58:00,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:58:00,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:58:00,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382587001] [2022-11-03 02:58:00,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:58:00,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:58:00,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:58:00,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:58:00,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:58:00,013 INFO L87 Difference]: Start difference. First operand 11555 states and 16064 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 02:58:02,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:05,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:09,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:14,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:15,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:17,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:58:17,377 INFO L93 Difference]: Finished difference Result 11662 states and 16159 transitions. [2022-11-03 02:58:17,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:58:17,378 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), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 100 [2022-11-03 02:58:17,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:58:17,406 INFO L225 Difference]: With dead ends: 11662 [2022-11-03 02:58:17,406 INFO L226 Difference]: Without dead ends: 11660 [2022-11-03 02:58:17,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:58:17,412 INFO L413 NwaCegarLoop]: 3130 mSDtfsCounter, 1767 mSDsluCounter, 6518 mSDsCounter, 0 mSdLazyCounter, 1108 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1769 SdHoareTripleChecker+Valid, 8917 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1108 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:58:17,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1769 Valid, 8917 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1108 Invalid, 1 Unknown, 0 Unchecked, 16.5s Time] [2022-11-03 02:58:17,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11660 states. [2022-11-03 02:58:18,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11660 to 11555. [2022-11-03 02:58:18,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11555 states, 6750 states have (on average 1.251111111111111) internal successors, (8445), 7077 states have internal predecessors, (8445), 3790 states have call successors, (3790), 986 states have call predecessors, (3790), 985 states have return successors, (3827), 3730 states have call predecessors, (3827), 3788 states have call successors, (3827) [2022-11-03 02:58:18,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11555 states to 11555 states and 16062 transitions. [2022-11-03 02:58:18,151 INFO L78 Accepts]: Start accepts. Automaton has 11555 states and 16062 transitions. Word has length 100 [2022-11-03 02:58:18,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:58:18,151 INFO L495 AbstractCegarLoop]: Abstraction has 11555 states and 16062 transitions. [2022-11-03 02:58:18,151 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), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 02:58:18,151 INFO L276 IsEmpty]: Start isEmpty. Operand 11555 states and 16062 transitions. [2022-11-03 02:58:18,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-03 02:58:18,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:58:18,154 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 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] [2022-11-03 02:58:18,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 02:58:18,154 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:58:18,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:58:18,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1974623645, now seen corresponding path program 1 times [2022-11-03 02:58:18,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:58:18,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863856603] [2022-11-03 02:58:18,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:58:18,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:58:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:58:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-03 02:58:18,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:58:18,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863856603] [2022-11-03 02:58:18,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863856603] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:58:18,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814127944] [2022-11-03 02:58:18,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:58:18,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:58:18,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:58:18,874 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:58:18,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:58:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:58:20,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 3104 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-03 02:58:20,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:58:20,507 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-03 02:58:20,509 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:58:20,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814127944] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:58:20,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:58:20,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2022-11-03 02:58:20,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131513976] [2022-11-03 02:58:20,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:58:20,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:58:20,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:58:20,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:58:20,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:58:20,514 INFO L87 Difference]: Start difference. First operand 11555 states and 16062 transitions. Second operand has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 02:58:23,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:25,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:33,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:36,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:38,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:44,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:46,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:48,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:49,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:51,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:54,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:58:54,871 INFO L93 Difference]: Finished difference Result 13908 states and 19256 transitions. [2022-11-03 02:58:54,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:58:54,872 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 108 [2022-11-03 02:58:54,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:58:54,905 INFO L225 Difference]: With dead ends: 13908 [2022-11-03 02:58:54,905 INFO L226 Difference]: Without dead ends: 11639 [2022-11-03 02:58:54,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:58:54,919 INFO L413 NwaCegarLoop]: 2693 mSDtfsCounter, 35 mSDsluCounter, 15096 mSDsCounter, 0 mSdLazyCounter, 2506 mSolverCounterSat, 76 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 15984 SdHoareTripleChecker+Invalid, 2584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 2506 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:58:54,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 15984 Invalid, 2584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 2506 Invalid, 2 Unknown, 0 Unchecked, 33.4s Time] [2022-11-03 02:58:54,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11639 states. [2022-11-03 02:58:55,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11639 to 11557. [2022-11-03 02:58:55,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11557 states, 6752 states have (on average 1.25103672985782) internal successors, (8447), 7079 states have internal predecessors, (8447), 3790 states have call successors, (3790), 986 states have call predecessors, (3790), 985 states have return successors, (3827), 3730 states have call predecessors, (3827), 3788 states have call successors, (3827) [2022-11-03 02:58:55,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11557 states to 11557 states and 16064 transitions. [2022-11-03 02:58:55,649 INFO L78 Accepts]: Start accepts. Automaton has 11557 states and 16064 transitions. Word has length 108 [2022-11-03 02:58:55,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:58:55,650 INFO L495 AbstractCegarLoop]: Abstraction has 11557 states and 16064 transitions. [2022-11-03 02:58:55,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 02:58:55,650 INFO L276 IsEmpty]: Start isEmpty. Operand 11557 states and 16064 transitions. [2022-11-03 02:58:55,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-03 02:58:55,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:58:55,651 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-03 02:58:55,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:58:55,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-03 02:58:55,865 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:58:55,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:58:55,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1123668968, now seen corresponding path program 1 times [2022-11-03 02:58:55,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:58:55,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628474323] [2022-11-03 02:58:55,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:58:55,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:58:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:58:56,287 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:58:56,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:58:56,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628474323] [2022-11-03 02:58:56,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628474323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:58:56,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:58:56,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:58:56,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130227795] [2022-11-03 02:58:56,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:58:56,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:58:56,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:58:56,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:58:56,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:58:56,291 INFO L87 Difference]: Start difference. First operand 11557 states and 16064 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 02:58:58,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:59:00,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:59:05,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:59:08,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:59:08,028 INFO L93 Difference]: Finished difference Result 11563 states and 16072 transitions. [2022-11-03 02:59:08,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:59:08,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 105 [2022-11-03 02:59:08,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:59:08,066 INFO L225 Difference]: With dead ends: 11563 [2022-11-03 02:59:08,066 INFO L226 Difference]: Without dead ends: 11561 [2022-11-03 02:59:08,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:59:08,072 INFO L413 NwaCegarLoop]: 2683 mSDtfsCounter, 3014 mSDsluCounter, 3047 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3018 SdHoareTripleChecker+Valid, 5368 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:59:08,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3018 Valid, 5368 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 727 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2022-11-03 02:59:08,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11561 states. [2022-11-03 02:59:08,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11561 to 11555. [2022-11-03 02:59:08,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11555 states, 6751 states have (on average 1.2506295363649829) internal successors, (8443), 7077 states have internal predecessors, (8443), 3790 states have call successors, (3790), 986 states have call predecessors, (3790), 985 states have return successors, (3827), 3730 states have call predecessors, (3827), 3788 states have call successors, (3827) [2022-11-03 02:59:08,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11555 states to 11555 states and 16060 transitions. [2022-11-03 02:59:08,746 INFO L78 Accepts]: Start accepts. Automaton has 11555 states and 16060 transitions. Word has length 105 [2022-11-03 02:59:08,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:59:08,747 INFO L495 AbstractCegarLoop]: Abstraction has 11555 states and 16060 transitions. [2022-11-03 02:59:08,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 02:59:08,747 INFO L276 IsEmpty]: Start isEmpty. Operand 11555 states and 16060 transitions. [2022-11-03 02:59:08,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-03 02:59:08,748 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:59:08,749 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-03 02:59:08,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 02:59:08,749 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:59:08,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:59:08,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1318539542, now seen corresponding path program 1 times [2022-11-03 02:59:08,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:59:08,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175617361] [2022-11-03 02:59:08,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:59:08,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:59:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:59:09,157 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:59:09,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:59:09,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175617361] [2022-11-03 02:59:09,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175617361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:59:09,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:59:09,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:59:09,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352986017] [2022-11-03 02:59:09,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:59:09,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:59:09,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:59:09,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:59:09,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:59:09,160 INFO L87 Difference]: Start difference. First operand 11555 states and 16060 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 02:59:11,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:59:17,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:59:19,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:59:22,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:59:26,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:59:26,729 INFO L93 Difference]: Finished difference Result 11658 states and 16152 transitions. [2022-11-03 02:59:26,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:59:26,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 110 [2022-11-03 02:59:26,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:59:26,756 INFO L225 Difference]: With dead ends: 11658 [2022-11-03 02:59:26,756 INFO L226 Difference]: Without dead ends: 11656 [2022-11-03 02:59:26,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:59:26,761 INFO L413 NwaCegarLoop]: 3134 mSDtfsCounter, 1763 mSDsluCounter, 6519 mSDsCounter, 0 mSdLazyCounter, 1105 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 8923 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1105 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:59:26,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 8923 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1105 Invalid, 4 Unknown, 0 Unchecked, 16.6s Time] [2022-11-03 02:59:26,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11656 states. [2022-11-03 02:59:27,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11656 to 11565. [2022-11-03 02:59:27,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11565 states, 6757 states have (on average 1.2502589906763357) internal successors, (8448), 7083 states have internal predecessors, (8448), 3792 states have call successors, (3792), 988 states have call predecessors, (3792), 987 states have return successors, (3829), 3732 states have call predecessors, (3829), 3790 states have call successors, (3829) [2022-11-03 02:59:27,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11565 states to 11565 states and 16069 transitions. [2022-11-03 02:59:27,470 INFO L78 Accepts]: Start accepts. Automaton has 11565 states and 16069 transitions. Word has length 110 [2022-11-03 02:59:27,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:59:27,470 INFO L495 AbstractCegarLoop]: Abstraction has 11565 states and 16069 transitions. [2022-11-03 02:59:27,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 02:59:27,471 INFO L276 IsEmpty]: Start isEmpty. Operand 11565 states and 16069 transitions. [2022-11-03 02:59:27,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-03 02:59:27,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:59:27,473 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-03 02:59:27,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-03 02:59:27,473 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:59:27,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:59:27,474 INFO L85 PathProgramCache]: Analyzing trace with hash -31599274, now seen corresponding path program 1 times [2022-11-03 02:59:27,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:59:27,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510312288] [2022-11-03 02:59:27,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:59:27,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:59:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:59:27,878 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:59:27,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:59:27,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510312288] [2022-11-03 02:59:27,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510312288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:59:27,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:59:27,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:59:27,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841150871] [2022-11-03 02:59:27,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:59:27,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:59:27,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:59:27,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:59:27,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:59:27,881 INFO L87 Difference]: Start difference. First operand 11565 states and 16069 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 02:59:29,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:59:32,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:59:37,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:59:38,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:59:38,575 INFO L93 Difference]: Finished difference Result 11565 states and 16069 transitions. [2022-11-03 02:59:38,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:59:38,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 115 [2022-11-03 02:59:38,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:59:38,602 INFO L225 Difference]: With dead ends: 11565 [2022-11-03 02:59:38,602 INFO L226 Difference]: Without dead ends: 11563 [2022-11-03 02:59:38,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:59:38,607 INFO L413 NwaCegarLoop]: 2681 mSDtfsCounter, 3011 mSDsluCounter, 3044 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3013 SdHoareTripleChecker+Valid, 5362 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:59:38,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3013 Valid, 5362 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-11-03 02:59:38,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11563 states. [2022-11-03 02:59:39,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11563 to 11563. [2022-11-03 02:59:39,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11563 states, 6756 states have (on average 1.2498519834221433) internal successors, (8444), 7081 states have internal predecessors, (8444), 3792 states have call successors, (3792), 988 states have call predecessors, (3792), 987 states have return successors, (3829), 3732 states have call predecessors, (3829), 3790 states have call successors, (3829) [2022-11-03 02:59:39,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11563 states to 11563 states and 16065 transitions. [2022-11-03 02:59:39,327 INFO L78 Accepts]: Start accepts. Automaton has 11563 states and 16065 transitions. Word has length 115 [2022-11-03 02:59:39,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:59:39,327 INFO L495 AbstractCegarLoop]: Abstraction has 11563 states and 16065 transitions. [2022-11-03 02:59:39,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 02:59:39,327 INFO L276 IsEmpty]: Start isEmpty. Operand 11563 states and 16065 transitions. [2022-11-03 02:59:39,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-03 02:59:39,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:59:39,329 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:59:39,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 02:59:39,329 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 02:59:39,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:59:39,330 INFO L85 PathProgramCache]: Analyzing trace with hash -118148981, now seen corresponding path program 1 times [2022-11-03 02:59:39,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:59:39,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436155119] [2022-11-03 02:59:39,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:59:39,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:59:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:59:40,424 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-03 02:59:40,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:59:40,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436155119] [2022-11-03 02:59:40,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436155119] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:59:40,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819949348] [2022-11-03 02:59:40,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:59:40,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:59:40,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:59:40,433 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:59:40,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:59:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:59:42,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 3312 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-03 02:59:42,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:59:42,385 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-11-03 02:59:42,385 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:59:42,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819949348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:59:42,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:59:42,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 8 [2022-11-03 02:59:42,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258603430] [2022-11-03 02:59:42,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:59:42,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 02:59:42,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:59:42,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 02:59:42,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:59:42,388 INFO L87 Difference]: Start difference. First operand 11563 states and 16065 transitions. Second operand has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 5 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 02:59:45,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:59:48,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:59:50,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:59:59,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:00:03,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:00:05,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:00:11,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:00:17,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:00:17,089 INFO L93 Difference]: Finished difference Result 26272 states and 37219 transitions. [2022-11-03 03:00:17,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:00:17,090 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 5 states have call predecessors, (20), 2 states have call successors, (20) Word has length 135 [2022-11-03 03:00:17,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:00:17,148 INFO L225 Difference]: With dead ends: 26272 [2022-11-03 03:00:17,149 INFO L226 Difference]: Without dead ends: 14731 [2022-11-03 03:00:17,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:00:17,185 INFO L413 NwaCegarLoop]: 3353 mSDtfsCounter, 293 mSDsluCounter, 22092 mSDsCounter, 0 mSdLazyCounter, 2912 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 22997 SdHoareTripleChecker+Invalid, 2918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2912 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:00:17,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 22997 Invalid, 2918 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2912 Invalid, 6 Unknown, 0 Unchecked, 33.2s Time] [2022-11-03 03:00:17,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14731 states. [2022-11-03 03:00:18,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14731 to 11587. [2022-11-03 03:00:18,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11587 states, 6772 states have (on average 1.2492616656822209) internal successors, (8460), 7097 states have internal predecessors, (8460), 3792 states have call successors, (3792), 988 states have call predecessors, (3792), 995 states have return successors, (3876), 3740 states have call predecessors, (3876), 3790 states have call successors, (3876) [2022-11-03 03:00:18,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11587 states to 11587 states and 16128 transitions. [2022-11-03 03:00:18,363 INFO L78 Accepts]: Start accepts. Automaton has 11587 states and 16128 transitions. Word has length 135 [2022-11-03 03:00:18,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:00:18,364 INFO L495 AbstractCegarLoop]: Abstraction has 11587 states and 16128 transitions. [2022-11-03 03:00:18,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 5 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 03:00:18,364 INFO L276 IsEmpty]: Start isEmpty. Operand 11587 states and 16128 transitions. [2022-11-03 03:00:18,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-03 03:00:18,365 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:00:18,366 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-03 03:00:18,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 03:00:18,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:00:18,567 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 03:00:18,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:00:18,567 INFO L85 PathProgramCache]: Analyzing trace with hash 241030001, now seen corresponding path program 1 times [2022-11-03 03:00:18,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:00:18,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558306229] [2022-11-03 03:00:18,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:00:18,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:00:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:00:19,075 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:00:19,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:00:19,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558306229] [2022-11-03 03:00:19,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558306229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:00:19,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:00:19,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:00:19,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633313806] [2022-11-03 03:00:19,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:00:19,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:00:19,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:00:19,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:00:19,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:00:19,079 INFO L87 Difference]: Start difference. First operand 11587 states and 16128 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 03:00:21,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:00:25,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:00:28,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:00:29,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:00:30,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:00:34,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:00:36,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:00:36,819 INFO L93 Difference]: Finished difference Result 11676 states and 16206 transitions. [2022-11-03 03:00:36,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:00:36,819 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 120 [2022-11-03 03:00:36,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:00:36,857 INFO L225 Difference]: With dead ends: 11676 [2022-11-03 03:00:36,858 INFO L226 Difference]: Without dead ends: 11674 [2022-11-03 03:00:36,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:00:36,865 INFO L413 NwaCegarLoop]: 3129 mSDtfsCounter, 1757 mSDsluCounter, 6513 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1759 SdHoareTripleChecker+Valid, 8911 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:00:36,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1759 Valid, 8911 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1107 Invalid, 2 Unknown, 0 Unchecked, 16.4s Time] [2022-11-03 03:00:36,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11674 states. [2022-11-03 03:00:38,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11674 to 11597. [2022-11-03 03:00:38,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11597 states, 6778 states have (on average 1.2488934789023312) internal successors, (8465), 7103 states have internal predecessors, (8465), 3794 states have call successors, (3794), 990 states have call predecessors, (3794), 997 states have return successors, (3878), 3742 states have call predecessors, (3878), 3792 states have call successors, (3878) [2022-11-03 03:00:38,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11597 states to 11597 states and 16137 transitions. [2022-11-03 03:00:38,175 INFO L78 Accepts]: Start accepts. Automaton has 11597 states and 16137 transitions. Word has length 120 [2022-11-03 03:00:38,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:00:38,175 INFO L495 AbstractCegarLoop]: Abstraction has 11597 states and 16137 transitions. [2022-11-03 03:00:38,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 03:00:38,176 INFO L276 IsEmpty]: Start isEmpty. Operand 11597 states and 16137 transitions. [2022-11-03 03:00:38,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-03 03:00:38,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:00:38,178 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-03 03:00:38,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-03 03:00:38,178 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 03:00:38,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:00:38,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1863672461, now seen corresponding path program 1 times [2022-11-03 03:00:38,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:00:38,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251438239] [2022-11-03 03:00:38,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:00:38,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:00:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:00:38,653 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:00:38,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:00:38,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251438239] [2022-11-03 03:00:38,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251438239] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:00:38,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:00:38,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:00:38,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928998628] [2022-11-03 03:00:38,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:00:38,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:00:38,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:00:38,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:00:38,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:00:38,657 INFO L87 Difference]: Start difference. First operand 11597 states and 16137 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 03:00:44,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:00:47,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:00:49,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:00:49,740 INFO L93 Difference]: Finished difference Result 11631 states and 16190 transitions. [2022-11-03 03:00:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:00:49,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 125 [2022-11-03 03:00:49,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:00:49,770 INFO L225 Difference]: With dead ends: 11631 [2022-11-03 03:00:49,770 INFO L226 Difference]: Without dead ends: 11629 [2022-11-03 03:00:49,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:00:49,776 INFO L413 NwaCegarLoop]: 2741 mSDtfsCounter, 2994 mSDsluCounter, 3414 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3000 SdHoareTripleChecker+Valid, 5752 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:00:49,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3000 Valid, 5752 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 768 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2022-11-03 03:00:49,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11629 states. [2022-11-03 03:00:50,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11629 to 11595. [2022-11-03 03:00:50,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11595 states, 6777 states have (on average 1.2484875313560573) internal successors, (8461), 7101 states have internal predecessors, (8461), 3794 states have call successors, (3794), 990 states have call predecessors, (3794), 997 states have return successors, (3878), 3742 states have call predecessors, (3878), 3792 states have call successors, (3878) [2022-11-03 03:00:50,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11595 states to 11595 states and 16133 transitions. [2022-11-03 03:00:50,744 INFO L78 Accepts]: Start accepts. Automaton has 11595 states and 16133 transitions. Word has length 125 [2022-11-03 03:00:50,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:00:50,745 INFO L495 AbstractCegarLoop]: Abstraction has 11595 states and 16133 transitions. [2022-11-03 03:00:50,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 03:00:50,745 INFO L276 IsEmpty]: Start isEmpty. Operand 11595 states and 16133 transitions. [2022-11-03 03:00:50,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-03 03:00:50,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:00:50,747 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 03:00:50,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-03 03:00:50,748 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-03 03:00:50,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:00:50,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1257038580, now seen corresponding path program 1 times [2022-11-03 03:00:50,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:00:50,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450873691] [2022-11-03 03:00:50,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:00:50,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:00:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:00:53,960 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2022-11-03 03:00:53,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:00:53,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450873691] [2022-11-03 03:00:53,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450873691] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:00:53,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774095878] [2022-11-03 03:00:53,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:00:53,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:00:53,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:00:53,963 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:00:53,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec31837-1709-458a-8beb-d5c00b3a716b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 03:00:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:00:56,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 3361 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-03 03:00:56,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:00:56,765 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 124 proven. 2 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-03 03:00:56,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:00:57,570 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-11-03 03:00:57,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774095878] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:00:57,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [526835377] [2022-11-03 03:00:57,597 INFO L159 IcfgInterpreter]: Started Sifa with 80 locations of interest [2022-11-03 03:00:57,598 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:00:57,602 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:00:57,609 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:00:57,609 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:01:03,550 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 496 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 161 [2022-11-03 03:01:04,231 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 03:01:04,409 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 109 [2022-11-03 03:01:05,048 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 496 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 161 [2022-11-03 03:01:05,481 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 785 treesize of output 666 [2022-11-03 03:01:06,632 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 496 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 161 [2022-11-03 03:01:07,044 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 03:01:07,251 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 103 [2022-11-03 03:01:07,550 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 03:01:08,191 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 03:01:08,783 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 03:01:09,079 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 03:01:09,399 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 03:01:51,610 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 03:01:51,623 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9