./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 8393723b 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_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/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_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS --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-8393723 [2022-11-19 07:18:42,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:18:42,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:18:42,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:18:42,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:18:42,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:18:42,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:18:42,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:18:42,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:18:42,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:18:42,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:18:42,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:18:42,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:18:42,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:18:42,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:18:42,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:18:42,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:18:42,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:18:42,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:18:42,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:18:42,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:18:42,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:18:42,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:18:42,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:18:42,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:18:42,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:18:42,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:18:42,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:18:42,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:18:42,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:18:42,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:18:42,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:18:42,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:18:42,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:18:42,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:18:42,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:18:42,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:18:42,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:18:42,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:18:42,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:18:42,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:18:42,350 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:18:42,394 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:18:42,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:18:42,395 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:18:42,395 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:18:42,396 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:18:42,396 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:18:42,396 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:18:42,396 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:18:42,396 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:18:42,397 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:18:42,398 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:18:42,398 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:18:42,398 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:18:42,399 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:18:42,399 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:18:42,399 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:18:42,399 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:18:42,399 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:18:42,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:18:42,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:18:42,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:18:42,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:18:42,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:18:42,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:18:42,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:18:42,403 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:18:42,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:18:42,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:18:42,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:18:42,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:18:42,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:18:42,405 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:18:42,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:18:42,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:18:42,405 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:18:42,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:18:42,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:18:42,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:18:42,406 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_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac352421032347d7bf5d3bf9ef59e7281826004c82f3c932b159f55f0c829686 [2022-11-19 07:18:42,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:18:42,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:18:42,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:18:42,782 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:18:42,783 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:18:42,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2022-11-19 07:18:42,867 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/data/d599d261f/5ebf941fee0c45bb955bbddf264762a9/FLAG0c43d626e [2022-11-19 07:18:43,991 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:18:43,992 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2022-11-19 07:18:44,059 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/data/d599d261f/5ebf941fee0c45bb955bbddf264762a9/FLAG0c43d626e [2022-11-19 07:18:44,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/data/d599d261f/5ebf941fee0c45bb955bbddf264762a9 [2022-11-19 07:18:44,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:18:44,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:18:44,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:18:44,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:18:44,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:18:44,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:18:44" (1/1) ... [2022-11-19 07:18:44,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c7214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:18:44, skipping insertion in model container [2022-11-19 07:18:44,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:18:44" (1/1) ... [2022-11-19 07:18:44,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:18:44,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:18:49,573 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486469,486482] [2022-11-19 07:18:49,578 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486614,486627] [2022-11-19 07:18:49,578 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486760,486773] [2022-11-19 07:18:49,579 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486925,486938] [2022-11-19 07:18:49,579 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487083,487096] [2022-11-19 07:18:49,580 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487241,487254] [2022-11-19 07:18:49,580 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487399,487412] [2022-11-19 07:18:49,581 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487559,487572] [2022-11-19 07:18:49,581 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487718,487731] [2022-11-19 07:18:49,582 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487857,487870] [2022-11-19 07:18:49,582 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487999,488012] [2022-11-19 07:18:49,583 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488148,488161] [2022-11-19 07:18:49,583 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488287,488300] [2022-11-19 07:18:49,584 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488442,488455] [2022-11-19 07:18:49,584 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488602,488615] [2022-11-19 07:18:49,585 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488753,488766] [2022-11-19 07:18:49,585 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488904,488917] [2022-11-19 07:18:49,586 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489056,489069] [2022-11-19 07:18:49,586 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489205,489218] [2022-11-19 07:18:49,587 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489353,489366] [2022-11-19 07:18:49,587 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489510,489523] [2022-11-19 07:18:49,588 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489659,489672] [2022-11-19 07:18:49,588 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489815,489828] [2022-11-19 07:18:49,589 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489968,489981] [2022-11-19 07:18:49,589 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490114,490127] [2022-11-19 07:18:49,590 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490257,490270] [2022-11-19 07:18:49,590 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490409,490422] [2022-11-19 07:18:49,591 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490555,490568] [2022-11-19 07:18:49,591 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490700,490713] [2022-11-19 07:18:49,592 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490854,490867] [2022-11-19 07:18:49,592 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491005,491018] [2022-11-19 07:18:49,593 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491160,491173] [2022-11-19 07:18:49,593 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491312,491325] [2022-11-19 07:18:49,594 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491467,491480] [2022-11-19 07:18:49,594 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491631,491644] [2022-11-19 07:18:49,595 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491787,491800] [2022-11-19 07:18:49,595 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491951,491964] [2022-11-19 07:18:49,596 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492093,492106] [2022-11-19 07:18:49,596 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492251,492264] [2022-11-19 07:18:49,597 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492418,492431] [2022-11-19 07:18:49,597 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492577,492590] [2022-11-19 07:18:49,597 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492736,492749] [2022-11-19 07:18:49,598 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492885,492898] [2022-11-19 07:18:49,598 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493032,493045] [2022-11-19 07:18:49,599 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493171,493184] [2022-11-19 07:18:49,599 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493334,493347] [2022-11-19 07:18:49,600 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493500,493513] [2022-11-19 07:18:49,600 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493664,493677] [2022-11-19 07:18:49,601 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493829,493842] [2022-11-19 07:18:49,601 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493994,494007] [2022-11-19 07:18:49,602 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494160,494173] [2022-11-19 07:18:49,602 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494325,494338] [2022-11-19 07:18:49,603 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494492,494505] [2022-11-19 07:18:49,603 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494652,494665] [2022-11-19 07:18:49,604 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494814,494827] [2022-11-19 07:18:49,604 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494973,494986] [2022-11-19 07:18:49,605 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495119,495132] [2022-11-19 07:18:49,605 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495262,495275] [2022-11-19 07:18:49,606 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495406,495419] [2022-11-19 07:18:49,606 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495549,495562] [2022-11-19 07:18:49,607 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495693,495706] [2022-11-19 07:18:49,607 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495834,495847] [2022-11-19 07:18:49,608 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495972,495985] [2022-11-19 07:18:49,608 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496130,496143] [2022-11-19 07:18:49,609 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496289,496302] [2022-11-19 07:18:49,609 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496445,496458] [2022-11-19 07:18:49,609 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496594,496607] [2022-11-19 07:18:49,610 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496746,496759] [2022-11-19 07:18:49,610 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496897,496910] [2022-11-19 07:18:49,611 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497046,497059] [2022-11-19 07:18:49,611 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497198,497211] [2022-11-19 07:18:49,612 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497346,497359] [2022-11-19 07:18:49,612 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497499,497512] [2022-11-19 07:18:49,613 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497650,497663] [2022-11-19 07:18:49,613 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497800,497813] [2022-11-19 07:18:49,614 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497947,497960] [2022-11-19 07:18:49,616 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498098,498111] [2022-11-19 07:18:49,617 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498249,498262] [2022-11-19 07:18:49,617 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498397,498410] [2022-11-19 07:18:49,618 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498563,498576] [2022-11-19 07:18:49,618 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498732,498745] [2022-11-19 07:18:49,619 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498899,498912] [2022-11-19 07:18:49,619 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499067,499080] [2022-11-19 07:18:49,620 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499217,499230] [2022-11-19 07:18:49,621 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499364,499377] [2022-11-19 07:18:49,623 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499525,499538] [2022-11-19 07:18:49,624 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499695,499708] [2022-11-19 07:18:49,625 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499857,499870] [2022-11-19 07:18:49,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:18:49,698 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:18:50,252 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486469,486482] [2022-11-19 07:18:50,257 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486614,486627] [2022-11-19 07:18:50,257 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486760,486773] [2022-11-19 07:18:50,258 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486925,486938] [2022-11-19 07:18:50,258 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487083,487096] [2022-11-19 07:18:50,259 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487241,487254] [2022-11-19 07:18:50,259 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487399,487412] [2022-11-19 07:18:50,259 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487559,487572] [2022-11-19 07:18:50,260 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487718,487731] [2022-11-19 07:18:50,260 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487857,487870] [2022-11-19 07:18:50,261 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487999,488012] [2022-11-19 07:18:50,262 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488148,488161] [2022-11-19 07:18:50,263 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488287,488300] [2022-11-19 07:18:50,263 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488442,488455] [2022-11-19 07:18:50,264 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488602,488615] [2022-11-19 07:18:50,264 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488753,488766] [2022-11-19 07:18:50,264 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488904,488917] [2022-11-19 07:18:50,265 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489056,489069] [2022-11-19 07:18:50,265 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489205,489218] [2022-11-19 07:18:50,266 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489353,489366] [2022-11-19 07:18:50,266 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489510,489523] [2022-11-19 07:18:50,266 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489659,489672] [2022-11-19 07:18:50,267 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489815,489828] [2022-11-19 07:18:50,267 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489968,489981] [2022-11-19 07:18:50,268 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490114,490127] [2022-11-19 07:18:50,268 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490257,490270] [2022-11-19 07:18:50,269 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490409,490422] [2022-11-19 07:18:50,271 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490555,490568] [2022-11-19 07:18:50,271 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490700,490713] [2022-11-19 07:18:50,272 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490854,490867] [2022-11-19 07:18:50,272 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491005,491018] [2022-11-19 07:18:50,273 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491160,491173] [2022-11-19 07:18:50,273 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491312,491325] [2022-11-19 07:18:50,274 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491467,491480] [2022-11-19 07:18:50,275 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491631,491644] [2022-11-19 07:18:50,275 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491787,491800] [2022-11-19 07:18:50,276 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491951,491964] [2022-11-19 07:18:50,277 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492093,492106] [2022-11-19 07:18:50,277 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492251,492264] [2022-11-19 07:18:50,278 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492418,492431] [2022-11-19 07:18:50,279 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492577,492590] [2022-11-19 07:18:50,279 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492736,492749] [2022-11-19 07:18:50,280 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492885,492898] [2022-11-19 07:18:50,280 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493032,493045] [2022-11-19 07:18:50,281 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493171,493184] [2022-11-19 07:18:50,281 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493334,493347] [2022-11-19 07:18:50,282 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493500,493513] [2022-11-19 07:18:50,282 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493664,493677] [2022-11-19 07:18:50,283 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493829,493842] [2022-11-19 07:18:50,283 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493994,494007] [2022-11-19 07:18:50,284 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494160,494173] [2022-11-19 07:18:50,284 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494325,494338] [2022-11-19 07:18:50,284 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494492,494505] [2022-11-19 07:18:50,285 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494652,494665] [2022-11-19 07:18:50,286 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494814,494827] [2022-11-19 07:18:50,287 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494973,494986] [2022-11-19 07:18:50,290 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495119,495132] [2022-11-19 07:18:50,290 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495262,495275] [2022-11-19 07:18:50,291 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495406,495419] [2022-11-19 07:18:50,291 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495549,495562] [2022-11-19 07:18:50,292 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495693,495706] [2022-11-19 07:18:50,293 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495834,495847] [2022-11-19 07:18:50,294 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495972,495985] [2022-11-19 07:18:50,295 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496130,496143] [2022-11-19 07:18:50,300 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496289,496302] [2022-11-19 07:18:50,305 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496445,496458] [2022-11-19 07:18:50,306 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496594,496607] [2022-11-19 07:18:50,307 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496746,496759] [2022-11-19 07:18:50,307 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496897,496910] [2022-11-19 07:18:50,308 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497046,497059] [2022-11-19 07:18:50,308 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497198,497211] [2022-11-19 07:18:50,309 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497346,497359] [2022-11-19 07:18:50,309 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497499,497512] [2022-11-19 07:18:50,309 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497650,497663] [2022-11-19 07:18:50,310 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497800,497813] [2022-11-19 07:18:50,310 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497947,497960] [2022-11-19 07:18:50,311 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498098,498111] [2022-11-19 07:18:50,311 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498249,498262] [2022-11-19 07:18:50,313 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498397,498410] [2022-11-19 07:18:50,314 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498563,498576] [2022-11-19 07:18:50,314 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498732,498745] [2022-11-19 07:18:50,315 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498899,498912] [2022-11-19 07:18:50,316 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499067,499080] [2022-11-19 07:18:50,316 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499217,499230] [2022-11-19 07:18:50,317 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499364,499377] [2022-11-19 07:18:50,317 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499525,499538] [2022-11-19 07:18:50,317 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499695,499708] [2022-11-19 07:18:50,319 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499857,499870] [2022-11-19 07:18:50,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:18:50,689 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:18:50,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:18:50 WrapperNode [2022-11-19 07:18:50,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:18:50,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:18:50,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:18:50,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:18:50,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:18:50" (1/1) ... [2022-11-19 07:18:50,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:18:50" (1/1) ... [2022-11-19 07:18:51,140 INFO L138 Inliner]: procedures = 746, calls = 3640, calls flagged for inlining = 396, calls inlined = 313, statements flattened = 8792 [2022-11-19 07:18:51,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:18:51,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:18:51,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:18:51,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:18:51,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:18:50" (1/1) ... [2022-11-19 07:18:51,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:18:50" (1/1) ... [2022-11-19 07:18:51,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:18:50" (1/1) ... [2022-11-19 07:18:51,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:18:50" (1/1) ... [2022-11-19 07:18:51,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:18:50" (1/1) ... [2022-11-19 07:18:51,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:18:50" (1/1) ... [2022-11-19 07:18:51,451 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:18:50" (1/1) ... [2022-11-19 07:18:51,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:18:50" (1/1) ... [2022-11-19 07:18:51,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:18:51,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:18:51,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:18:51,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:18:51,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:18:50" (1/1) ... [2022-11-19 07:18:51,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:18:51,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:18:51,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:18:51,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:18:51,631 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-19 07:18:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-19 07:18:51,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-19 07:18:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-19 07:18:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-11-19 07:18:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-11-19 07:18:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-19 07:18:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-19 07:18:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_info [2022-11-19 07:18:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_info [2022-11-19 07:18:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure mega_adapinq [2022-11-19 07:18:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_adapinq [2022-11-19 07:18:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-19 07:18:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-19 07:18:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-19 07:18:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-19 07:18:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_inquiry [2022-11-19 07:18:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_inquiry [2022-11-19 07:18:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2022-11-19 07:18:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2022-11-19 07:18:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:18:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:18:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-19 07:18:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-19 07:18:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 07:18:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 07:18:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure mega_build_sglist [2022-11-19 07:18:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_build_sglist [2022-11-19 07:18:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 07:18:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 07:18:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 07:18:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 07:18:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-19 07:18:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-19 07:18:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-19 07:18:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-19 07:18:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure megadev_unlocked_ioctl [2022-11-19 07:18:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure megadev_unlocked_ioctl [2022-11-19 07:18:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 07:18:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_scb [2022-11-19 07:18:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_scb [2022-11-19 07:18:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 07:18:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 07:18:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 07:18:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 07:18:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-19 07:18:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-19 07:18:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort_and_reset [2022-11-19 07:18:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort_and_reset [2022-11-19 07:18:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 07:18:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 07:18:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-19 07:18:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-19 07:18:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:18:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:18:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:18:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-19 07:18:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-19 07:18:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure issue_scb_block [2022-11-19 07:18:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_scb_block [2022-11-19 07:18:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:18:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-19 07:18:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-19 07:18:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 07:18:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 07:18:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_sgl [2022-11-19 07:18:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_sgl [2022-11-19 07:18:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-19 07:18:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-19 07:18:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:18:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-19 07:18:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-19 07:18:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 07:18:51,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 07:18:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-19 07:18:51,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-19 07:18:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:18:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-19 07:18:51,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-19 07:18:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 07:18:51,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 07:18:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-19 07:18:51,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-19 07:18:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:18:51,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:18:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-19 07:18:51,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-19 07:18:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 07:18:51,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 07:18:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 07:18:51,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 07:18:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-19 07:18:51,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-19 07:18:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure mega_runpendq [2022-11-19 07:18:51,712 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_runpendq [2022-11-19 07:18:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-11-19 07:18:51,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-11-19 07:18:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 07:18:51,712 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 07:18:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-19 07:18:51,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-19 07:18:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-19 07:18:51,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-19 07:18:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 07:18:51,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 07:18:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-19 07:18:51,712 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-19 07:18:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-19 07:18:51,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-19 07:18:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-19 07:18:51,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-19 07:18:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_int_mtx_of_NOT_ARG_SIGN [2022-11-19 07:18:51,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_int_mtx_of_NOT_ARG_SIGN [2022-11-19 07:18:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:18:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-11-19 07:18:51,713 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-11-19 07:18:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-19 07:18:51,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-19 07:18:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-19 07:18:51,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-19 07:18:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:18:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2022-11-19 07:18:51,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2022-11-19 07:18:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 07:18:51,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 07:18:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 07:18:51,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 07:18:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure mega_n_to_m [2022-11-19 07:18:51,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_n_to_m [2022-11-19 07:18:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:18:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 07:18:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:18:51,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:18:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-19 07:18:51,714 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-19 07:18:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure mega_internal_command [2022-11-19 07:18:51,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_internal_command [2022-11-19 07:18:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-19 07:18:51,714 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-19 07:18:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:18:51,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:18:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_shutdown [2022-11-19 07:18:51,715 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_shutdown [2022-11-19 07:18:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-19 07:18:51,715 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-19 07:18:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-19 07:18:51,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-19 07:18:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-11-19 07:18:51,715 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-11-19 07:18:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 07:18:51,715 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 07:18:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure proc_show_rdrv [2022-11-19 07:18:51,715 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_show_rdrv [2022-11-19 07:18:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:18:51,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:18:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:18:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:18:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:18:51,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:18:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_inquiry [2022-11-19 07:18:51,715 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_inquiry [2022-11-19 07:18:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure free_local_pdev [2022-11-19 07:18:51,715 INFO L138 BoogieDeclarations]: Found implementation of procedure free_local_pdev [2022-11-19 07:18:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 07:18:51,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 07:18:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure proc_show_pdrv [2022-11-19 07:18:51,716 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_show_pdrv [2022-11-19 07:18:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-19 07:18:51,716 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-19 07:18:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-11-19 07:18:51,716 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-11-19 07:18:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-19 07:18:51,716 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-19 07:18:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2022-11-19 07:18:51,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2022-11-19 07:18:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure __megaraid_shutdown [2022-11-19 07:18:51,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __megaraid_shutdown [2022-11-19 07:18:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-19 07:18:51,716 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-19 07:18:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:18:51,716 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:18:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-19 07:18:51,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-19 07:18:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2022-11-19 07:18:51,716 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2022-11-19 07:18:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-19 07:18:51,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-19 07:18:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-19 07:18:51,717 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-19 07:18:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-19 07:18:51,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-19 07:18:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-19 07:18:51,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-19 07:18:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:18:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_reset [2022-11-19 07:18:51,717 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_reset [2022-11-19 07:18:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 07:18:51,717 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 07:18:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-19 07:18:51,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-19 07:18:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:18:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_queue [2022-11-19 07:18:51,717 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_queue [2022-11-19 07:18:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_biosparam [2022-11-19 07:18:51,717 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_biosparam [2022-11-19 07:18:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_remove_one [2022-11-19 07:18:51,717 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_remove_one [2022-11-19 07:18:51,718 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-19 07:18:51,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-19 07:18:51,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:18:51,718 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-19 07:18:51,718 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-19 07:18:51,718 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 07:18:51,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 07:18:51,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-19 07:18:51,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-19 07:18:51,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-19 07:18:51,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-19 07:18:51,721 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-19 07:18:51,721 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-19 07:18:51,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 07:18:51,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 07:18:51,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-19 07:18:51,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-19 07:18:51,722 INFO L130 BoogieDeclarations]: Found specification of procedure seq_write [2022-11-19 07:18:51,722 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_write [2022-11-19 07:18:51,722 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_scb [2022-11-19 07:18:51,722 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_scb [2022-11-19 07:18:51,723 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-19 07:18:51,723 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-19 07:18:51,723 INFO L130 BoogieDeclarations]: Found specification of procedure make_local_pdev [2022-11-19 07:18:51,723 INFO L138 BoogieDeclarations]: Found implementation of procedure make_local_pdev [2022-11-19 07:18:51,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-19 07:18:51,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-19 07:18:51,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-19 07:18:51,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-19 07:18:51,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-19 07:18:51,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-19 07:18:51,724 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-19 07:18:51,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-19 07:18:51,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-19 07:18:51,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-19 07:18:51,725 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-19 07:18:51,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-19 07:18:51,725 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:18:51,725 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:18:51,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-19 07:18:51,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-19 07:18:51,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:18:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-19 07:18:51,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-19 07:18:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-19 07:18:51,726 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-19 07:18:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:18:51,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:18:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-19 07:18:51,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-19 07:18:51,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-19 07:18:51,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-19 07:18:51,727 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-19 07:18:51,727 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-19 07:18:51,727 INFO L130 BoogieDeclarations]: Found specification of procedure mega_rundoneq [2022-11-19 07:18:51,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_rundoneq [2022-11-19 07:18:51,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 07:18:51,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 07:18:51,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-19 07:18:51,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-19 07:18:51,728 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-19 07:18:51,728 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-19 07:18:51,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:18:51,729 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-19 07:18:51,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-19 07:18:51,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-11-19 07:18:51,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-11-19 07:18:51,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_megadev_mutex [2022-11-19 07:18:51,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_megadev_mutex [2022-11-19 07:18:51,729 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort [2022-11-19 07:18:51,730 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort [2022-11-19 07:18:51,730 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-11-19 07:18:51,730 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-11-19 07:18:53,092 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:18:53,103 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:18:53,512 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:18:56,885 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##180: 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; [2022-11-19 07:19:02,339 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:19:04,621 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:19:04,621 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-19 07:19:04,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:19:04 BoogieIcfgContainer [2022-11-19 07:19:04,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:19:04,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:19:04,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:19:04,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:19:04,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:18:44" (1/3) ... [2022-11-19 07:19:04,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229bc118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:19:04, skipping insertion in model container [2022-11-19 07:19:04,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:18:50" (2/3) ... [2022-11-19 07:19:04,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229bc118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:19:04, skipping insertion in model container [2022-11-19 07:19:04,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:19:04" (3/3) ... [2022-11-19 07:19:04,640 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2022-11-19 07:19:04,662 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:19:04,663 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2022-11-19 07:19:04,768 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:19:04,774 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;@483e4478, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:19:04,775 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2022-11-19 07:19:04,787 INFO L276 IsEmpty]: Start isEmpty. Operand has 2166 states, 1275 states have (on average 1.3207843137254902) internal successors, (1684), 1367 states have internal predecessors, (1684), 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) [2022-11-19 07:19:04,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-19 07:19:04,798 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:19:04,799 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] [2022-11-19 07:19:04,800 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)] === [2022-11-19 07:19:04,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:19:04,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1451761059, now seen corresponding path program 1 times [2022-11-19 07:19:04,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:19:04,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840817047] [2022-11-19 07:19:04,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:19:04,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:19:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:19:06,165 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-19 07:19:06,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:19:06,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840817047] [2022-11-19 07:19:06,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840817047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:19:06,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:19:06,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:19:06,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815705916] [2022-11-19 07:19:06,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:19:06,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:19:06,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:19:06,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:19:06,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:19:06,230 INFO L87 Difference]: Start difference. First operand has 2166 states, 1275 states have (on average 1.3207843137254902) internal successors, (1684), 1367 states have internal predecessors, (1684), 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) [2022-11-19 07:19:09,400 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 [] [2022-11-19 07:19:16,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:19:17,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:19:17,690 INFO L93 Difference]: Finished difference Result 5606 states and 8198 transitions. [2022-11-19 07:19:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:19:17,693 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 [2022-11-19 07:19:17,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:19:17,737 INFO L225 Difference]: With dead ends: 5606 [2022-11-19 07:19:17,738 INFO L226 Difference]: Without dead ends: 3441 [2022-11-19 07:19:17,758 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 [2022-11-19 07:19:17,762 INFO L413 NwaCegarLoop]: 3207 mSDtfsCounter, 1824 mSDsluCounter, 9064 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1825 SdHoareTripleChecker+Valid, 12271 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1457 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:19:17,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1825 Valid, 12271 Invalid, 1465 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1457 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2022-11-19 07:19:17,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3441 states. [2022-11-19 07:19:18,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3441 to 3371. [2022-11-19 07:19:18,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3371 states, 1979 states have (on average 1.2758969176351693) internal successors, (2525), 2104 states have internal predecessors, (2525), 1123 states have call successors, (1123), 235 states have call predecessors, (1123), 234 states have return successors, (1121), 1104 states have call predecessors, (1121), 1121 states have call successors, (1121) [2022-11-19 07:19:18,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3371 states to 3371 states and 4769 transitions. [2022-11-19 07:19:18,118 INFO L78 Accepts]: Start accepts. Automaton has 3371 states and 4769 transitions. Word has length 46 [2022-11-19 07:19:18,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:19:18,119 INFO L495 AbstractCegarLoop]: Abstraction has 3371 states and 4769 transitions. [2022-11-19 07:19:18,120 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) [2022-11-19 07:19:18,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3371 states and 4769 transitions. [2022-11-19 07:19:18,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-19 07:19:18,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:19:18,132 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] [2022-11-19 07:19:18,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:19:18,133 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)] === [2022-11-19 07:19:18,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:19:18,134 INFO L85 PathProgramCache]: Analyzing trace with hash -968058804, now seen corresponding path program 1 times [2022-11-19 07:19:18,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:19:18,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438851960] [2022-11-19 07:19:18,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:19:18,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:19:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:19:19,100 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-19 07:19:19,101 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:19:19,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438851960] [2022-11-19 07:19:19,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438851960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:19:19,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:19:19,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:19:19,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086254492] [2022-11-19 07:19:19,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:19:19,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:19:19,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:19:19,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:19:19,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:19:19,105 INFO L87 Difference]: Start difference. First operand 3371 states and 4769 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) [2022-11-19 07:19:21,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:19:23,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:19:26,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:19:27,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:19:29,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:19:30,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:19:30,177 INFO L93 Difference]: Finished difference Result 3371 states and 4769 transitions. [2022-11-19 07:19:30,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:19:30,178 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 [2022-11-19 07:19:30,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:19:30,200 INFO L225 Difference]: With dead ends: 3371 [2022-11-19 07:19:30,200 INFO L226 Difference]: Without dead ends: 3369 [2022-11-19 07:19:30,203 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 [2022-11-19 07:19:30,204 INFO L413 NwaCegarLoop]: 2703 mSDtfsCounter, 3049 mSDsluCounter, 5403 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3050 SdHoareTripleChecker+Valid, 8106 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:19:30,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3050 Valid, 8106 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2022-11-19 07:19:30,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3369 states. [2022-11-19 07:19:30,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3369 to 3369. [2022-11-19 07:19:30,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3369 states, 1978 states have (on average 1.275025278058645) internal successors, (2522), 2102 states have internal predecessors, (2522), 1123 states have call successors, (1123), 235 states have call predecessors, (1123), 234 states have return successors, (1121), 1104 states have call predecessors, (1121), 1121 states have call successors, (1121) [2022-11-19 07:19:30,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 3369 states and 4766 transitions. [2022-11-19 07:19:30,437 INFO L78 Accepts]: Start accepts. Automaton has 3369 states and 4766 transitions. Word has length 61 [2022-11-19 07:19:30,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:19:30,438 INFO L495 AbstractCegarLoop]: Abstraction has 3369 states and 4766 transitions. [2022-11-19 07:19:30,438 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) [2022-11-19 07:19:30,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3369 states and 4766 transitions. [2022-11-19 07:19:30,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-19 07:19:30,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:19:30,444 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] [2022-11-19 07:19:30,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:19:30,445 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)] === [2022-11-19 07:19:30,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:19:30,456 INFO L85 PathProgramCache]: Analyzing trace with hash -216762385, now seen corresponding path program 1 times [2022-11-19 07:19:30,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:19:30,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170782905] [2022-11-19 07:19:30,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:19:30,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:19:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:19:31,102 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-19 07:19:31,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:19:31,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170782905] [2022-11-19 07:19:31,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170782905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:19:31,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:19:31,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:19:31,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868442288] [2022-11-19 07:19:31,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:19:31,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:19:31,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:19:31,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:19:31,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:19:31,105 INFO L87 Difference]: Start difference. First operand 3369 states and 4766 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) [2022-11-19 07:19:33,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:19:39,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:19:40,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:19:40,250 INFO L93 Difference]: Finished difference Result 5532 states and 7751 transitions. [2022-11-19 07:19:40,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:19:40,250 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 [2022-11-19 07:19:40,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:19:40,284 INFO L225 Difference]: With dead ends: 5532 [2022-11-19 07:19:40,284 INFO L226 Difference]: Without dead ends: 5530 [2022-11-19 07:19:40,288 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 [2022-11-19 07:19:40,289 INFO L413 NwaCegarLoop]: 3145 mSDtfsCounter, 1786 mSDsluCounter, 5832 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1788 SdHoareTripleChecker+Valid, 8977 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:19:40,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1788 Valid, 8977 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1082 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2022-11-19 07:19:40,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5530 states. [2022-11-19 07:19:40,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5530 to 5257. [2022-11-19 07:19:40,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5257 states, 3070 states have (on average 1.2641693811074919) internal successors, (3881), 3258 states have internal predecessors, (3881), 1779 states have call successors, (1779), 375 states have call predecessors, (1779), 374 states have return successors, (1786), 1749 states have call predecessors, (1786), 1777 states have call successors, (1786) [2022-11-19 07:19:40,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5257 states to 5257 states and 7446 transitions. [2022-11-19 07:19:40,636 INFO L78 Accepts]: Start accepts. Automaton has 5257 states and 7446 transitions. Word has length 63 [2022-11-19 07:19:40,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:19:40,638 INFO L495 AbstractCegarLoop]: Abstraction has 5257 states and 7446 transitions. [2022-11-19 07:19:40,639 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) [2022-11-19 07:19:40,639 INFO L276 IsEmpty]: Start isEmpty. Operand 5257 states and 7446 transitions. [2022-11-19 07:19:40,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-19 07:19:40,640 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:19:40,641 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] [2022-11-19 07:19:40,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:19:40,641 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)] === [2022-11-19 07:19:40,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:19:40,642 INFO L85 PathProgramCache]: Analyzing trace with hash 909482187, now seen corresponding path program 1 times [2022-11-19 07:19:40,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:19:40,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729324360] [2022-11-19 07:19:40,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:19:40,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:19:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:19:43,211 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-19 07:19:43,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:19:43,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729324360] [2022-11-19 07:19:43,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729324360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:19:43,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:19:43,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-19 07:19:43,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931628622] [2022-11-19 07:19:43,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:19:43,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-19 07:19:43,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:19:43,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-19 07:19:43,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-19 07:19:43,214 INFO L87 Difference]: Start difference. First operand 5257 states and 7446 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) [2022-11-19 07:19:47,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:19:49,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:19:51,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:19:53,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:19:55,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:19:57,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:19:59,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:20:08,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:20:09,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:20:09,688 INFO L93 Difference]: Finished difference Result 7339 states and 10334 transitions. [2022-11-19 07:20:09,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 07:20:09,689 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 [2022-11-19 07:20:09,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:20:09,721 INFO L225 Difference]: With dead ends: 7339 [2022-11-19 07:20:09,721 INFO L226 Difference]: Without dead ends: 5336 [2022-11-19 07:20:09,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2022-11-19 07:20:09,733 INFO L413 NwaCegarLoop]: 2686 mSDtfsCounter, 33 mSDsluCounter, 26615 mSDsCounter, 0 mSdLazyCounter, 4516 mSolverCounterSat, 118 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 29301 SdHoareTripleChecker+Invalid, 4642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 4516 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:20:09,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 29301 Invalid, 4642 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [118 Valid, 4516 Invalid, 8 Unknown, 0 Unchecked, 25.9s Time] [2022-11-19 07:20:09,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5336 states. [2022-11-19 07:20:10,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5336 to 5284. [2022-11-19 07:20:10,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 3085 states have (on average 1.2628849270664506) internal successors, (3896), 3273 states have internal predecessors, (3896), 1791 states have call successors, (1791), 375 states have call predecessors, (1791), 374 states have return successors, (1798), 1761 states have call predecessors, (1798), 1789 states have call successors, (1798) [2022-11-19 07:20:10,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 7485 transitions. [2022-11-19 07:20:10,078 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 7485 transitions. Word has length 66 [2022-11-19 07:20:10,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:20:10,079 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 7485 transitions. [2022-11-19 07:20:10,079 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) [2022-11-19 07:20:10,079 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 7485 transitions. [2022-11-19 07:20:10,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-19 07:20:10,081 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:20:10,082 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] [2022-11-19 07:20:10,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:20:10,082 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)] === [2022-11-19 07:20:10,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:20:10,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1305403467, now seen corresponding path program 1 times [2022-11-19 07:20:10,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:20:10,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206156664] [2022-11-19 07:20:10,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:20:10,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:20:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:20:10,566 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-19 07:20:10,566 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:20:10,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206156664] [2022-11-19 07:20:10,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206156664] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:20:10,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:20:10,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:20:10,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572749341] [2022-11-19 07:20:10,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:20:10,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:20:10,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:20:10,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:20:10,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:20:10,571 INFO L87 Difference]: Start difference. First operand 5284 states and 7485 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) [2022-11-19 07:20:12,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:20:14,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:20:18,676 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 [] [2022-11-19 07:20:18,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:20:18,953 INFO L93 Difference]: Finished difference Result 6312 states and 8846 transitions. [2022-11-19 07:20:18,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:20:18,954 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 [2022-11-19 07:20:18,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:20:18,989 INFO L225 Difference]: With dead ends: 6312 [2022-11-19 07:20:18,989 INFO L226 Difference]: Without dead ends: 6310 [2022-11-19 07:20:18,994 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 [2022-11-19 07:20:18,995 INFO L413 NwaCegarLoop]: 3147 mSDtfsCounter, 1796 mSDsluCounter, 5824 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 8971 SdHoareTripleChecker+Invalid, 1083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:20:18,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 8971 Invalid, 1083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1081 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2022-11-19 07:20:19,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6310 states. [2022-11-19 07:20:19,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6310 to 6158. [2022-11-19 07:20:19,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6158 states, 3593 states have (on average 1.26134149735597) internal successors, (4532), 3806 states have internal predecessors, (4532), 2082 states have call successors, (2082), 450 states have call predecessors, (2082), 449 states have return successors, (2089), 2049 states have call predecessors, (2089), 2080 states have call successors, (2089) [2022-11-19 07:20:19,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6158 states to 6158 states and 8703 transitions. [2022-11-19 07:20:19,367 INFO L78 Accepts]: Start accepts. Automaton has 6158 states and 8703 transitions. Word has length 68 [2022-11-19 07:20:19,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:20:19,368 INFO L495 AbstractCegarLoop]: Abstraction has 6158 states and 8703 transitions. [2022-11-19 07:20:19,368 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) [2022-11-19 07:20:19,368 INFO L276 IsEmpty]: Start isEmpty. Operand 6158 states and 8703 transitions. [2022-11-19 07:20:19,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-19 07:20:19,369 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:20:19,370 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] [2022-11-19 07:20:19,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:20:19,370 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)] === [2022-11-19 07:20:19,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:20:19,371 INFO L85 PathProgramCache]: Analyzing trace with hash -808062823, now seen corresponding path program 1 times [2022-11-19 07:20:19,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:20:19,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878047081] [2022-11-19 07:20:19,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:20:19,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:20:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:20:19,827 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-19 07:20:19,828 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:20:19,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878047081] [2022-11-19 07:20:19,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878047081] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:20:19,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:20:19,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:20:19,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550878973] [2022-11-19 07:20:19,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:20:19,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:20:19,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:20:19,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:20:19,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:20:19,830 INFO L87 Difference]: Start difference. First operand 6158 states and 8703 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) [2022-11-19 07:20:22,158 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 [] [2022-11-19 07:20:24,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:20:28,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:20:30,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:20:31,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:20:31,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:20:31,740 INFO L93 Difference]: Finished difference Result 6310 states and 8843 transitions. [2022-11-19 07:20:31,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:20:31,740 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 [2022-11-19 07:20:31,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:20:31,772 INFO L225 Difference]: With dead ends: 6310 [2022-11-19 07:20:31,772 INFO L226 Difference]: Without dead ends: 6308 [2022-11-19 07:20:31,776 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 [2022-11-19 07:20:31,777 INFO L413 NwaCegarLoop]: 3147 mSDtfsCounter, 1793 mSDsluCounter, 5824 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1795 SdHoareTripleChecker+Valid, 8971 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:20:31,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1795 Valid, 8971 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1077 Invalid, 3 Unknown, 0 Unchecked, 11.6s Time] [2022-11-19 07:20:31,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6308 states. [2022-11-19 07:20:32,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6308 to 6163. [2022-11-19 07:20:32,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6163 states, 3596 states have (on average 1.260845383759733) internal successors, (4534), 3809 states have internal predecessors, (4534), 2083 states have call successors, (2083), 451 states have call predecessors, (2083), 450 states have return successors, (2090), 2050 states have call predecessors, (2090), 2081 states have call successors, (2090) [2022-11-19 07:20:32,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6163 states to 6163 states and 8707 transitions. [2022-11-19 07:20:32,150 INFO L78 Accepts]: Start accepts. Automaton has 6163 states and 8707 transitions. Word has length 73 [2022-11-19 07:20:32,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:20:32,151 INFO L495 AbstractCegarLoop]: Abstraction has 6163 states and 8707 transitions. [2022-11-19 07:20:32,151 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) [2022-11-19 07:20:32,151 INFO L276 IsEmpty]: Start isEmpty. Operand 6163 states and 8707 transitions. [2022-11-19 07:20:32,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-19 07:20:32,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:20:32,154 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] [2022-11-19 07:20:32,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:20:32,155 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)] === [2022-11-19 07:20:32,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:20:32,155 INFO L85 PathProgramCache]: Analyzing trace with hash 355312832, now seen corresponding path program 1 times [2022-11-19 07:20:32,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:20:32,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584398464] [2022-11-19 07:20:32,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:20:32,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:20:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:20:32,598 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-19 07:20:32,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:20:32,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584398464] [2022-11-19 07:20:32,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584398464] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:20:32,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:20:32,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:20:32,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627153722] [2022-11-19 07:20:32,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:20:32,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:20:32,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:20:32,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:20:32,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:20:32,601 INFO L87 Difference]: Start difference. First operand 6163 states and 8707 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) [2022-11-19 07:20:34,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:20:40,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:20:40,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:20:40,580 INFO L93 Difference]: Finished difference Result 6308 states and 8840 transitions. [2022-11-19 07:20:40,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:20:40,580 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 [2022-11-19 07:20:40,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:20:40,609 INFO L225 Difference]: With dead ends: 6308 [2022-11-19 07:20:40,609 INFO L226 Difference]: Without dead ends: 6306 [2022-11-19 07:20:40,614 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 [2022-11-19 07:20:40,615 INFO L413 NwaCegarLoop]: 3147 mSDtfsCounter, 1790 mSDsluCounter, 5824 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1792 SdHoareTripleChecker+Valid, 8971 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:20:40,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1792 Valid, 8971 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1078 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-11-19 07:20:40,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6306 states. [2022-11-19 07:20:41,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6306 to 6168. [2022-11-19 07:20:41,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6168 states, 3599 states have (on average 1.2603500972492359) internal successors, (4536), 3812 states have internal predecessors, (4536), 2084 states have call successors, (2084), 452 states have call predecessors, (2084), 451 states have return successors, (2091), 2051 states have call predecessors, (2091), 2082 states have call successors, (2091) [2022-11-19 07:20:41,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6168 states to 6168 states and 8711 transitions. [2022-11-19 07:20:41,106 INFO L78 Accepts]: Start accepts. Automaton has 6168 states and 8711 transitions. Word has length 78 [2022-11-19 07:20:41,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:20:41,106 INFO L495 AbstractCegarLoop]: Abstraction has 6168 states and 8711 transitions. [2022-11-19 07:20:41,107 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) [2022-11-19 07:20:41,107 INFO L276 IsEmpty]: Start isEmpty. Operand 6168 states and 8711 transitions. [2022-11-19 07:20:41,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-19 07:20:41,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:20:41,114 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] [2022-11-19 07:20:41,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:20:41,114 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)] === [2022-11-19 07:20:41,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:20:41,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1859606079, now seen corresponding path program 1 times [2022-11-19 07:20:41,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:20:41,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168246949] [2022-11-19 07:20:41,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:20:41,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:20:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:20:41,559 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-19 07:20:41,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:20:41,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168246949] [2022-11-19 07:20:41,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168246949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:20:41,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:20:41,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:20:41,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874750674] [2022-11-19 07:20:41,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:20:41,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:20:41,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:20:41,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:20:41,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:20:41,563 INFO L87 Difference]: Start difference. First operand 6168 states and 8711 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) [2022-11-19 07:20:43,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:20:45,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:20:47,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:20:52,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:20:52,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:20:52,601 INFO L93 Difference]: Finished difference Result 6306 states and 8837 transitions. [2022-11-19 07:20:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:20:52,602 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 [2022-11-19 07:20:52,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:20:52,628 INFO L225 Difference]: With dead ends: 6306 [2022-11-19 07:20:52,629 INFO L226 Difference]: Without dead ends: 6304 [2022-11-19 07:20:52,633 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 [2022-11-19 07:20:52,634 INFO L413 NwaCegarLoop]: 3147 mSDtfsCounter, 1787 mSDsluCounter, 5824 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 8971 SdHoareTripleChecker+Invalid, 1083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:20:52,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1789 Valid, 8971 Invalid, 1083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1081 Invalid, 1 Unknown, 0 Unchecked, 10.7s Time] [2022-11-19 07:20:52,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6304 states. [2022-11-19 07:20:53,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6304 to 6173. [2022-11-19 07:20:53,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6173 states, 3602 states have (on average 1.2598556357579123) internal successors, (4538), 3815 states have internal predecessors, (4538), 2085 states have call successors, (2085), 453 states have call predecessors, (2085), 452 states have return successors, (2092), 2052 states have call predecessors, (2092), 2083 states have call successors, (2092) [2022-11-19 07:20:53,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6173 states to 6173 states and 8715 transitions. [2022-11-19 07:20:53,110 INFO L78 Accepts]: Start accepts. Automaton has 6173 states and 8715 transitions. Word has length 83 [2022-11-19 07:20:53,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:20:53,111 INFO L495 AbstractCegarLoop]: Abstraction has 6173 states and 8715 transitions. [2022-11-19 07:20:53,111 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) [2022-11-19 07:20:53,111 INFO L276 IsEmpty]: Start isEmpty. Operand 6173 states and 8715 transitions. [2022-11-19 07:20:53,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-19 07:20:53,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:20:53,113 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] [2022-11-19 07:20:53,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:20:53,113 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)] === [2022-11-19 07:20:53,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:20:53,114 INFO L85 PathProgramCache]: Analyzing trace with hash -441923037, now seen corresponding path program 1 times [2022-11-19 07:20:53,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:20:53,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930248683] [2022-11-19 07:20:53,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:20:53,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:20:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:20:53,533 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-19 07:20:53,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:20:53,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930248683] [2022-11-19 07:20:53,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930248683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:20:53,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:20:53,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:20:53,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87807166] [2022-11-19 07:20:53,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:20:53,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:20:53,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:20:53,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:20:53,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:20:53,537 INFO L87 Difference]: Start difference. First operand 6173 states and 8715 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) [2022-11-19 07:20:55,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:20:59,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:20:59,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:20:59,743 INFO L93 Difference]: Finished difference Result 12628 states and 17782 transitions. [2022-11-19 07:20:59,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:20:59,743 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 [2022-11-19 07:20:59,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:20:59,768 INFO L225 Difference]: With dead ends: 12628 [2022-11-19 07:20:59,768 INFO L226 Difference]: Without dead ends: 6475 [2022-11-19 07:20:59,797 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 [2022-11-19 07:20:59,798 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 2699 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2701 SdHoareTripleChecker+Valid, 3448 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:20:59,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2701 Valid, 3448 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 482 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-11-19 07:20:59,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6475 states. [2022-11-19 07:21:00,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6475 to 6465. [2022-11-19 07:21:00,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6465 states, 3777 states have (on average 1.2584061424410908) internal successors, (4753), 3997 states have internal predecessors, (4753), 2159 states have call successors, (2159), 497 states have call predecessors, (2159), 495 states have return successors, (2166), 2125 states have call predecessors, (2166), 2157 states have call successors, (2166) [2022-11-19 07:21:00,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6465 states to 6465 states and 9078 transitions. [2022-11-19 07:21:00,240 INFO L78 Accepts]: Start accepts. Automaton has 6465 states and 9078 transitions. Word has length 101 [2022-11-19 07:21:00,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:21:00,241 INFO L495 AbstractCegarLoop]: Abstraction has 6465 states and 9078 transitions. [2022-11-19 07:21:00,241 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) [2022-11-19 07:21:00,241 INFO L276 IsEmpty]: Start isEmpty. Operand 6465 states and 9078 transitions. [2022-11-19 07:21:00,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-19 07:21:00,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:21:00,244 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] [2022-11-19 07:21:00,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:21:00,244 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)] === [2022-11-19 07:21:00,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:21:00,245 INFO L85 PathProgramCache]: Analyzing trace with hash -533150387, now seen corresponding path program 1 times [2022-11-19 07:21:00,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:21:00,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143976969] [2022-11-19 07:21:00,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:21:00,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:21:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:21:00,705 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-19 07:21:00,705 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:21:00,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143976969] [2022-11-19 07:21:00,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143976969] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:21:00,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:21:00,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:21:00,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269073019] [2022-11-19 07:21:00,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:21:00,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:21:00,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:21:00,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:21:00,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:21:00,707 INFO L87 Difference]: Start difference. First operand 6465 states and 9078 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) [2022-11-19 07:21:04,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:21:06,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:21:06,121 INFO L93 Difference]: Finished difference Result 7381 states and 10309 transitions. [2022-11-19 07:21:06,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:21:06,122 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 [2022-11-19 07:21:06,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:21:06,152 INFO L225 Difference]: With dead ends: 7381 [2022-11-19 07:21:06,152 INFO L226 Difference]: Without dead ends: 7379 [2022-11-19 07:21:06,157 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 [2022-11-19 07:21:06,158 INFO L413 NwaCegarLoop]: 3606 mSDtfsCounter, 3023 mSDsluCounter, 4717 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3025 SdHoareTripleChecker+Valid, 8323 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:21:06,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3025 Valid, 8323 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 965 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-19 07:21:06,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7379 states. [2022-11-19 07:21:06,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7379 to 7248. [2022-11-19 07:21:06,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7248 states, 4228 states have (on average 1.2563859981078525) internal successors, (5312), 4472 states have internal predecessors, (5312), 2432 states have call successors, (2432), 556 states have call predecessors, (2432), 554 states have return successors, (2439), 2395 states have call predecessors, (2439), 2430 states have call successors, (2439) [2022-11-19 07:21:06,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7248 states to 7248 states and 10183 transitions. [2022-11-19 07:21:06,726 INFO L78 Accepts]: Start accepts. Automaton has 7248 states and 10183 transitions. Word has length 88 [2022-11-19 07:21:06,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:21:06,727 INFO L495 AbstractCegarLoop]: Abstraction has 7248 states and 10183 transitions. [2022-11-19 07:21:06,727 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) [2022-11-19 07:21:06,727 INFO L276 IsEmpty]: Start isEmpty. Operand 7248 states and 10183 transitions. [2022-11-19 07:21:06,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-19 07:21:06,729 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:21:06,729 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] [2022-11-19 07:21:06,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 07:21:06,729 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)] === [2022-11-19 07:21:06,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:21:06,730 INFO L85 PathProgramCache]: Analyzing trace with hash 781066621, now seen corresponding path program 1 times [2022-11-19 07:21:06,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:21:06,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420640150] [2022-11-19 07:21:06,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:21:06,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:21:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:21:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-19 07:21:07,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:21:07,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420640150] [2022-11-19 07:21:07,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420640150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:21:07,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:21:07,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:21:07,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329419434] [2022-11-19 07:21:07,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:21:07,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:21:07,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:21:07,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:21:07,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:21:07,127 INFO L87 Difference]: Start difference. First operand 7248 states and 10183 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) [2022-11-19 07:21:09,480 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 [] [2022-11-19 07:21:15,305 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 [] [2022-11-19 07:21:15,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:21:15,586 INFO L93 Difference]: Finished difference Result 7377 states and 10301 transitions. [2022-11-19 07:21:15,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:21:15,587 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 [2022-11-19 07:21:15,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:21:15,616 INFO L225 Difference]: With dead ends: 7377 [2022-11-19 07:21:15,616 INFO L226 Difference]: Without dead ends: 7375 [2022-11-19 07:21:15,620 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 [2022-11-19 07:21:15,621 INFO L413 NwaCegarLoop]: 3149 mSDtfsCounter, 1778 mSDsluCounter, 5826 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1780 SdHoareTripleChecker+Valid, 8975 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:21:15,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1780 Valid, 8975 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1078 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2022-11-19 07:21:15,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7375 states. [2022-11-19 07:21:16,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7375 to 7258. [2022-11-19 07:21:16,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7258 states, 4234 states have (on average 1.2560226735947095) internal successors, (5318), 4478 states have internal predecessors, (5318), 2434 states have call successors, (2434), 558 states have call predecessors, (2434), 556 states have return successors, (2441), 2397 states have call predecessors, (2441), 2432 states have call successors, (2441) [2022-11-19 07:21:16,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7258 states to 7258 states and 10193 transitions. [2022-11-19 07:21:16,149 INFO L78 Accepts]: Start accepts. Automaton has 7258 states and 10193 transitions. Word has length 93 [2022-11-19 07:21:16,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:21:16,152 INFO L495 AbstractCegarLoop]: Abstraction has 7258 states and 10193 transitions. [2022-11-19 07:21:16,152 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) [2022-11-19 07:21:16,152 INFO L276 IsEmpty]: Start isEmpty. Operand 7258 states and 10193 transitions. [2022-11-19 07:21:16,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-19 07:21:16,155 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:21:16,155 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] [2022-11-19 07:21:16,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 07:21:16,156 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)] === [2022-11-19 07:21:16,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:21:16,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1723764474, now seen corresponding path program 1 times [2022-11-19 07:21:16,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:21:16,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426206070] [2022-11-19 07:21:16,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:21:16,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:21:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:21:16,784 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-19 07:21:16,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:21:16,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426206070] [2022-11-19 07:21:16,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426206070] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:21:16,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466770115] [2022-11-19 07:21:16,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:21:16,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:21:16,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:21:16,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:21:16,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:21:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:21:18,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 3195 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 07:21:18,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:21:18,544 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-19 07:21:18,544 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:21:18,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466770115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:21:18,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:21:18,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-19 07:21:18,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245135922] [2022-11-19 07:21:18,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:21:18,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:21:18,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:21:18,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:21:18,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:21:18,546 INFO L87 Difference]: Start difference. First operand 7258 states and 10193 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) [2022-11-19 07:21:21,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:21:21,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:21:21,820 INFO L93 Difference]: Finished difference Result 14488 states and 20350 transitions. [2022-11-19 07:21:21,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:21:21,821 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 [2022-11-19 07:21:21,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:21:21,848 INFO L225 Difference]: With dead ends: 14488 [2022-11-19 07:21:21,848 INFO L226 Difference]: Without dead ends: 7250 [2022-11-19 07:21:21,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:21:21,875 INFO L413 NwaCegarLoop]: 2701 mSDtfsCounter, 3039 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3039 SdHoareTripleChecker+Valid, 2701 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:21:21,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3039 Valid, 2701 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-19 07:21:21,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7250 states. [2022-11-19 07:21:22,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7250 to 7250. [2022-11-19 07:21:22,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7250 states, 4227 states have (on average 1.2550272060563048) internal successors, (5305), 4470 states have internal predecessors, (5305), 2434 states have call successors, (2434), 558 states have call predecessors, (2434), 556 states have return successors, (2441), 2397 states have call predecessors, (2441), 2432 states have call successors, (2441) [2022-11-19 07:21:22,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7250 states to 7250 states and 10180 transitions. [2022-11-19 07:21:22,406 INFO L78 Accepts]: Start accepts. Automaton has 7250 states and 10180 transitions. Word has length 109 [2022-11-19 07:21:22,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:21:22,406 INFO L495 AbstractCegarLoop]: Abstraction has 7250 states and 10180 transitions. [2022-11-19 07:21:22,407 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) [2022-11-19 07:21:22,407 INFO L276 IsEmpty]: Start isEmpty. Operand 7250 states and 10180 transitions. [2022-11-19 07:21:22,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-19 07:21:22,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:21:22,409 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] [2022-11-19 07:21:22,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 07:21:22,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-19 07:21:22,627 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)] === [2022-11-19 07:21:22,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:21:22,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1382410486, now seen corresponding path program 1 times [2022-11-19 07:21:22,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:21:22,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235350273] [2022-11-19 07:21:22,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:21:22,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:21:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:21:23,140 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-19 07:21:23,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:21:23,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235350273] [2022-11-19 07:21:23,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235350273] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:21:23,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:21:23,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:21:23,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178194640] [2022-11-19 07:21:23,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:21:23,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:21:23,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:21:23,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:21:23,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:21:23,142 INFO L87 Difference]: Start difference. First operand 7250 states and 10180 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) [2022-11-19 07:21:25,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:21:28,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:21:31,551 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 [] [2022-11-19 07:21:31,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:21:31,780 INFO L93 Difference]: Finished difference Result 7365 states and 10284 transitions. [2022-11-19 07:21:31,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:21:31,781 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 [2022-11-19 07:21:31,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:21:31,802 INFO L225 Difference]: With dead ends: 7365 [2022-11-19 07:21:31,802 INFO L226 Difference]: Without dead ends: 7363 [2022-11-19 07:21:31,806 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 [2022-11-19 07:21:31,807 INFO L413 NwaCegarLoop]: 3144 mSDtfsCounter, 1778 mSDsluCounter, 5812 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1780 SdHoareTripleChecker+Valid, 8956 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:21:31,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1780 Valid, 8956 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1078 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2022-11-19 07:21:31,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7363 states. [2022-11-19 07:21:32,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7363 to 7257. [2022-11-19 07:21:32,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7257 states, 4232 states have (on average 1.2547258979206048) internal successors, (5310), 4475 states have internal predecessors, (5310), 2435 states have call successors, (2435), 559 states have call predecessors, (2435), 557 states have return successors, (2442), 2398 states have call predecessors, (2442), 2433 states have call successors, (2442) [2022-11-19 07:21:32,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7257 states to 7257 states and 10187 transitions. [2022-11-19 07:21:32,375 INFO L78 Accepts]: Start accepts. Automaton has 7257 states and 10187 transitions. Word has length 98 [2022-11-19 07:21:32,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:21:32,375 INFO L495 AbstractCegarLoop]: Abstraction has 7257 states and 10187 transitions. [2022-11-19 07:21:32,375 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) [2022-11-19 07:21:32,375 INFO L276 IsEmpty]: Start isEmpty. Operand 7257 states and 10187 transitions. [2022-11-19 07:21:32,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-19 07:21:32,377 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:21:32,378 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] [2022-11-19 07:21:32,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-19 07:21:32,378 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)] === [2022-11-19 07:21:32,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:21:32,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1351440851, now seen corresponding path program 1 times [2022-11-19 07:21:32,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:21:32,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339947126] [2022-11-19 07:21:32,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:21:32,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:21:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:21:32,777 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-19 07:21:32,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:21:32,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339947126] [2022-11-19 07:21:32,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339947126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:21:32,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:21:32,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:21:32,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013161235] [2022-11-19 07:21:32,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:21:32,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:21:32,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:21:32,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:21:32,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:21:32,780 INFO L87 Difference]: Start difference. First operand 7257 states and 10187 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) [2022-11-19 07:21:35,239 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 [] [2022-11-19 07:21:39,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:21:40,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:21:41,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:21:41,144 INFO L93 Difference]: Finished difference Result 7363 states and 10281 transitions. [2022-11-19 07:21:41,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:21:41,145 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 [2022-11-19 07:21:41,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:21:41,161 INFO L225 Difference]: With dead ends: 7363 [2022-11-19 07:21:41,161 INFO L226 Difference]: Without dead ends: 7361 [2022-11-19 07:21:41,164 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 [2022-11-19 07:21:41,165 INFO L413 NwaCegarLoop]: 3144 mSDtfsCounter, 1766 mSDsluCounter, 5816 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1768 SdHoareTripleChecker+Valid, 8960 SdHoareTripleChecker+Invalid, 1083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:21:41,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1768 Valid, 8960 Invalid, 1083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1081 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-11-19 07:21:41,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7361 states. [2022-11-19 07:21:41,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7361 to 7257. [2022-11-19 07:21:41,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7257 states, 4232 states have (on average 1.2542533081285445) internal successors, (5308), 4475 states have internal predecessors, (5308), 2435 states have call successors, (2435), 559 states have call predecessors, (2435), 557 states have return successors, (2442), 2398 states have call predecessors, (2442), 2433 states have call successors, (2442) [2022-11-19 07:21:41,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7257 states to 7257 states and 10185 transitions. [2022-11-19 07:21:41,747 INFO L78 Accepts]: Start accepts. Automaton has 7257 states and 10185 transitions. Word has length 100 [2022-11-19 07:21:41,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:21:41,747 INFO L495 AbstractCegarLoop]: Abstraction has 7257 states and 10185 transitions. [2022-11-19 07:21:41,747 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) [2022-11-19 07:21:41,747 INFO L276 IsEmpty]: Start isEmpty. Operand 7257 states and 10185 transitions. [2022-11-19 07:21:41,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-19 07:21:41,748 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:21:41,749 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] [2022-11-19 07:21:41,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-19 07:21:41,749 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)] === [2022-11-19 07:21:41,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:21:41,750 INFO L85 PathProgramCache]: Analyzing trace with hash 2136484310, now seen corresponding path program 1 times [2022-11-19 07:21:41,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:21:41,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666563849] [2022-11-19 07:21:41,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:21:41,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:21:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:21:42,380 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-19 07:21:42,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:21:42,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666563849] [2022-11-19 07:21:42,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666563849] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:21:42,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770978102] [2022-11-19 07:21:42,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:21:42,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:21:42,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:21:42,386 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:21:42,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:21:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:21:44,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 3184 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-19 07:21:44,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:21:44,067 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-19 07:21:44,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:21:44,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770978102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:21:44,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:21:44,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2022-11-19 07:21:44,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416443381] [2022-11-19 07:21:44,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:21:44,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 07:21:44,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:21:44,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 07:21:44,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:21:44,076 INFO L87 Difference]: Start difference. First operand 7257 states and 10185 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) [2022-11-19 07:21:47,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:21:49,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:21:51,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:21:56,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:21:59,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:00,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:04,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:22:04,743 INFO L93 Difference]: Finished difference Result 9123 states and 12786 transitions. [2022-11-19 07:22:04,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:22:04,744 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 [2022-11-19 07:22:04,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:22:04,762 INFO L225 Difference]: With dead ends: 9123 [2022-11-19 07:22:04,762 INFO L226 Difference]: Without dead ends: 7338 [2022-11-19 07:22:04,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:22:04,770 INFO L413 NwaCegarLoop]: 2708 mSDtfsCounter, 35 mSDsluCounter, 13366 mSDsCounter, 0 mSdLazyCounter, 2463 mSolverCounterSat, 76 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 16074 SdHoareTripleChecker+Invalid, 2542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 2463 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:22:04,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 16074 Invalid, 2542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 2463 Invalid, 3 Unknown, 0 Unchecked, 20.0s Time] [2022-11-19 07:22:04,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7338 states. [2022-11-19 07:22:05,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7338 to 7259. [2022-11-19 07:22:05,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7259 states, 4234 states have (on average 1.2541332073689182) internal successors, (5310), 4477 states have internal predecessors, (5310), 2435 states have call successors, (2435), 559 states have call predecessors, (2435), 557 states have return successors, (2442), 2398 states have call predecessors, (2442), 2433 states have call successors, (2442) [2022-11-19 07:22:05,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7259 states to 7259 states and 10187 transitions. [2022-11-19 07:22:05,315 INFO L78 Accepts]: Start accepts. Automaton has 7259 states and 10187 transitions. Word has length 108 [2022-11-19 07:22:05,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:22:05,315 INFO L495 AbstractCegarLoop]: Abstraction has 7259 states and 10187 transitions. [2022-11-19 07:22:05,315 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) [2022-11-19 07:22:05,315 INFO L276 IsEmpty]: Start isEmpty. Operand 7259 states and 10187 transitions. [2022-11-19 07:22:05,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-19 07:22:05,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:22:05,316 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] [2022-11-19 07:22:05,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:22:05,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:22:05,517 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)] === [2022-11-19 07:22:05,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:22:05,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1570392558, now seen corresponding path program 1 times [2022-11-19 07:22:05,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:22:05,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592958392] [2022-11-19 07:22:05,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:22:05,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:22:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:22:05,910 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-19 07:22:05,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:22:05,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592958392] [2022-11-19 07:22:05,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592958392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:22:05,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:22:05,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:22:05,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511589613] [2022-11-19 07:22:05,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:22:05,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:22:05,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:22:05,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:22:05,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:22:05,913 INFO L87 Difference]: Start difference. First operand 7259 states and 10187 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) [2022-11-19 07:22:08,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:14,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:14,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:22:14,371 INFO L93 Difference]: Finished difference Result 7363 states and 10280 transitions. [2022-11-19 07:22:14,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:22:14,371 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 [2022-11-19 07:22:14,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:22:14,386 INFO L225 Difference]: With dead ends: 7363 [2022-11-19 07:22:14,386 INFO L226 Difference]: Without dead ends: 7361 [2022-11-19 07:22:14,389 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 [2022-11-19 07:22:14,389 INFO L413 NwaCegarLoop]: 3151 mSDtfsCounter, 1765 mSDsluCounter, 5823 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1767 SdHoareTripleChecker+Valid, 8974 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:22:14,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1767 Valid, 8974 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1083 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2022-11-19 07:22:14,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7361 states. [2022-11-19 07:22:14,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7361 to 7264. [2022-11-19 07:22:14,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7264 states, 4237 states have (on average 1.2537172527731886) internal successors, (5312), 4480 states have internal predecessors, (5312), 2436 states have call successors, (2436), 560 states have call predecessors, (2436), 558 states have return successors, (2443), 2399 states have call predecessors, (2443), 2434 states have call successors, (2443) [2022-11-19 07:22:14,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7264 states to 7264 states and 10191 transitions. [2022-11-19 07:22:14,790 INFO L78 Accepts]: Start accepts. Automaton has 7264 states and 10191 transitions. Word has length 105 [2022-11-19 07:22:14,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:22:14,791 INFO L495 AbstractCegarLoop]: Abstraction has 7264 states and 10191 transitions. [2022-11-19 07:22:14,791 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) [2022-11-19 07:22:14,791 INFO L276 IsEmpty]: Start isEmpty. Operand 7264 states and 10191 transitions. [2022-11-19 07:22:14,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-19 07:22:14,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:22:14,793 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] [2022-11-19 07:22:14,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-19 07:22:14,793 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)] === [2022-11-19 07:22:14,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:22:14,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1760407448, now seen corresponding path program 1 times [2022-11-19 07:22:14,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:22:14,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579670328] [2022-11-19 07:22:14,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:22:14,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:22:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:22:15,228 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-19 07:22:15,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:22:15,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579670328] [2022-11-19 07:22:15,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579670328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:22:15,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:22:15,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:22:15,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632903546] [2022-11-19 07:22:15,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:22:15,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:22:15,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:22:15,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:22:15,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:22:15,231 INFO L87 Difference]: Start difference. First operand 7264 states and 10191 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) [2022-11-19 07:22:17,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:22,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:23,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:22:23,019 INFO L93 Difference]: Finished difference Result 7264 states and 10191 transitions. [2022-11-19 07:22:23,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:22:23,019 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 [2022-11-19 07:22:23,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:22:23,044 INFO L225 Difference]: With dead ends: 7264 [2022-11-19 07:22:23,044 INFO L226 Difference]: Without dead ends: 7262 [2022-11-19 07:22:23,049 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 [2022-11-19 07:22:23,050 INFO L413 NwaCegarLoop]: 2698 mSDtfsCounter, 3022 mSDsluCounter, 2698 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3024 SdHoareTripleChecker+Valid, 5396 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:22:23,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3024 Valid, 5396 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 714 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-11-19 07:22:23,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7262 states. [2022-11-19 07:22:23,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7262 to 7262. [2022-11-19 07:22:23,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7262 states, 4236 states have (on average 1.2530689329556186) internal successors, (5308), 4478 states have internal predecessors, (5308), 2436 states have call successors, (2436), 560 states have call predecessors, (2436), 558 states have return successors, (2443), 2399 states have call predecessors, (2443), 2434 states have call successors, (2443) [2022-11-19 07:22:23,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7262 states to 7262 states and 10187 transitions. [2022-11-19 07:22:23,509 INFO L78 Accepts]: Start accepts. Automaton has 7262 states and 10187 transitions. Word has length 110 [2022-11-19 07:22:23,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:22:23,510 INFO L495 AbstractCegarLoop]: Abstraction has 7262 states and 10187 transitions. [2022-11-19 07:22:23,510 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) [2022-11-19 07:22:23,510 INFO L276 IsEmpty]: Start isEmpty. Operand 7262 states and 10187 transitions. [2022-11-19 07:22:23,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-19 07:22:23,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:22:23,513 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] [2022-11-19 07:22:23,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-19 07:22:23,514 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)] === [2022-11-19 07:22:23,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:22:23,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1616449286, now seen corresponding path program 1 times [2022-11-19 07:22:23,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:22:23,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676238564] [2022-11-19 07:22:23,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:22:23,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:22:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:22:23,890 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-19 07:22:23,891 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:22:23,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676238564] [2022-11-19 07:22:23,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676238564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:22:23,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:22:23,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:22:23,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702480095] [2022-11-19 07:22:23,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:22:23,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:22:23,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:22:23,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:22:23,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:22:23,894 INFO L87 Difference]: Start difference. First operand 7262 states and 10187 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) [2022-11-19 07:22:26,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:29,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:34,013 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 [] [2022-11-19 07:22:34,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:22:34,311 INFO L93 Difference]: Finished difference Result 7357 states and 10271 transitions. [2022-11-19 07:22:34,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:22:34,311 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 [2022-11-19 07:22:34,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:22:34,329 INFO L225 Difference]: With dead ends: 7357 [2022-11-19 07:22:34,330 INFO L226 Difference]: Without dead ends: 7355 [2022-11-19 07:22:34,333 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 [2022-11-19 07:22:34,333 INFO L413 NwaCegarLoop]: 3149 mSDtfsCounter, 1759 mSDsluCounter, 5819 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1761 SdHoareTripleChecker+Valid, 8968 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:22:34,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1761 Valid, 8968 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1083 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-11-19 07:22:34,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7355 states. [2022-11-19 07:22:34,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7355 to 7272. [2022-11-19 07:22:34,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7272 states, 4242 states have (on average 1.2524752475247525) internal successors, (5313), 4484 states have internal predecessors, (5313), 2438 states have call successors, (2438), 562 states have call predecessors, (2438), 560 states have return successors, (2445), 2401 states have call predecessors, (2445), 2436 states have call successors, (2445) [2022-11-19 07:22:34,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7272 states to 7272 states and 10196 transitions. [2022-11-19 07:22:34,844 INFO L78 Accepts]: Start accepts. Automaton has 7272 states and 10196 transitions. Word has length 115 [2022-11-19 07:22:34,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:22:34,844 INFO L495 AbstractCegarLoop]: Abstraction has 7272 states and 10196 transitions. [2022-11-19 07:22:34,844 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) [2022-11-19 07:22:34,844 INFO L276 IsEmpty]: Start isEmpty. Operand 7272 states and 10196 transitions. [2022-11-19 07:22:34,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-19 07:22:34,846 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:22:34,846 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] [2022-11-19 07:22:34,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-19 07:22:34,846 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)] === [2022-11-19 07:22:34,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:22:34,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1145629025, now seen corresponding path program 1 times [2022-11-19 07:22:34,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:22:34,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414436601] [2022-11-19 07:22:34,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:22:34,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:22:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:22:35,725 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-19 07:22:35,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:22:35,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414436601] [2022-11-19 07:22:35,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414436601] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:22:35,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303898118] [2022-11-19 07:22:35,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:22:35,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:22:35,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:22:35,727 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:22:35,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:22:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:22:37,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 3393 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-19 07:22:37,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:22:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-11-19 07:22:37,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:22:37,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303898118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:22:37,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:22:37,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 8 [2022-11-19 07:22:37,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34956861] [2022-11-19 07:22:37,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:22:37,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 07:22:37,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:22:37,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 07:22:37,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:22:37,524 INFO L87 Difference]: Start difference. First operand 7272 states and 10196 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) [2022-11-19 07:22:40,232 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 [] [2022-11-19 07:22:42,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:43,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:45,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:47,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:50,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:57,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:22:59,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:23:01,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:23:03,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:23:05,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:23:06,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:23:06,718 INFO L93 Difference]: Finished difference Result 16919 states and 24239 transitions. [2022-11-19 07:23:06,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:23:06,718 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 [2022-11-19 07:23:06,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:23:06,745 INFO L225 Difference]: With dead ends: 16919 [2022-11-19 07:23:06,746 INFO L226 Difference]: Without dead ends: 9669 [2022-11-19 07:23:06,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:23:06,762 INFO L413 NwaCegarLoop]: 3369 mSDtfsCounter, 293 mSDsluCounter, 19741 mSDsCounter, 0 mSdLazyCounter, 2862 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 23110 SdHoareTripleChecker+Invalid, 2869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2862 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:23:06,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 23110 Invalid, 2869 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2862 Invalid, 7 Unknown, 0 Unchecked, 28.2s Time] [2022-11-19 07:23:06,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9669 states. [2022-11-19 07:23:07,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9669 to 7290. [2022-11-19 07:23:07,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7290 states, 4254 states have (on average 1.2517630465444287) internal successors, (5325), 4496 states have internal predecessors, (5325), 2438 states have call successors, (2438), 562 states have call predecessors, (2438), 566 states have return successors, (2475), 2407 states have call predecessors, (2475), 2436 states have call successors, (2475) [2022-11-19 07:23:07,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7290 states to 7290 states and 10238 transitions. [2022-11-19 07:23:07,359 INFO L78 Accepts]: Start accepts. Automaton has 7290 states and 10238 transitions. Word has length 135 [2022-11-19 07:23:07,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:23:07,359 INFO L495 AbstractCegarLoop]: Abstraction has 7290 states and 10238 transitions. [2022-11-19 07:23:07,359 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) [2022-11-19 07:23:07,360 INFO L276 IsEmpty]: Start isEmpty. Operand 7290 states and 10238 transitions. [2022-11-19 07:23:07,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-19 07:23:07,361 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:23:07,361 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] [2022-11-19 07:23:07,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:23:07,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:23:07,562 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)] === [2022-11-19 07:23:07,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:23:07,562 INFO L85 PathProgramCache]: Analyzing trace with hash 2057982723, now seen corresponding path program 1 times [2022-11-19 07:23:07,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:23:07,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588021395] [2022-11-19 07:23:07,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:23:07,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:23:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:23:07,950 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-19 07:23:07,950 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:23:07,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588021395] [2022-11-19 07:23:07,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588021395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:23:07,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:23:07,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:23:07,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587307716] [2022-11-19 07:23:07,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:23:07,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:23:07,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:23:07,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:23:07,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:23:07,952 INFO L87 Difference]: Start difference. First operand 7290 states and 10238 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) [2022-11-19 07:23:10,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:23:14,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:23:14,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:23:14,678 INFO L93 Difference]: Finished difference Result 7333 states and 10278 transitions. [2022-11-19 07:23:14,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:23:14,679 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 [2022-11-19 07:23:14,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:23:14,695 INFO L225 Difference]: With dead ends: 7333 [2022-11-19 07:23:14,695 INFO L226 Difference]: Without dead ends: 7331 [2022-11-19 07:23:14,698 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 [2022-11-19 07:23:14,698 INFO L413 NwaCegarLoop]: 2742 mSDtfsCounter, 3014 mSDsluCounter, 2877 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3018 SdHoareTripleChecker+Valid, 5619 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:23:14,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3018 Valid, 5619 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 746 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2022-11-19 07:23:14,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7331 states. [2022-11-19 07:23:15,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7331 to 7327. [2022-11-19 07:23:15,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7327 states, 4274 states have (on average 1.2505849321478708) internal successors, (5345), 4515 states have internal predecessors, (5345), 2444 states have call successors, (2444), 574 states have call predecessors, (2444), 578 states have return successors, (2481), 2413 states have call predecessors, (2481), 2442 states have call successors, (2481) [2022-11-19 07:23:15,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7327 states to 7327 states and 10270 transitions. [2022-11-19 07:23:15,236 INFO L78 Accepts]: Start accepts. Automaton has 7327 states and 10270 transitions. Word has length 120 [2022-11-19 07:23:15,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:23:15,237 INFO L495 AbstractCegarLoop]: Abstraction has 7327 states and 10270 transitions. [2022-11-19 07:23:15,237 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) [2022-11-19 07:23:15,237 INFO L276 IsEmpty]: Start isEmpty. Operand 7327 states and 10270 transitions. [2022-11-19 07:23:15,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-19 07:23:15,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:23:15,239 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] [2022-11-19 07:23:15,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-19 07:23:15,240 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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)] === [2022-11-19 07:23:15,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:23:15,240 INFO L85 PathProgramCache]: Analyzing trace with hash -376082469, now seen corresponding path program 1 times [2022-11-19 07:23:15,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:23:15,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868892202] [2022-11-19 07:23:15,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:23:15,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:23:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:23:19,228 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2022-11-19 07:23:19,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:23:19,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868892202] [2022-11-19 07:23:19,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868892202] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:23:19,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400090071] [2022-11-19 07:23:19,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:23:19,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:23:19,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:23:19,234 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:23:19,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40e6784-531d-49df-bd51-f2b3cc075a68/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:23:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:23:21,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 3442 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-19 07:23:21,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:23:21,855 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 124 proven. 2 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-19 07:23:21,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:23:22,451 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-11-19 07:23:22,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400090071] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:23:22,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1074844273] [2022-11-19 07:23:22,475 INFO L159 IcfgInterpreter]: Started Sifa with 80 locations of interest [2022-11-19 07:23:22,475 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:23:22,478 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:23:22,483 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:23:22,484 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:23:27,531 INFO L350 Elim1Store]: Elim1 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 276 treesize of output 220 [2022-11-19 07:23:28,179 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:23:28,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 995 treesize of output 832 [2022-11-19 07:23:29,949 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:23:30,444 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:23:30,733 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:23:31,034 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:23:31,253 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:23:31,786 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:23:32,029 INFO L350 Elim1Store]: Elim1 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 276 treesize of output 220 [2022-11-19 07:23:32,387 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:23:32,579 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:23:32,798 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:24:10,813 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:24:10,819 INFO L350 Elim1Store]: Elim1 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