./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF --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 32187ad6a98dd17c1b18f8e1b845f566cde13ca56738d1b8876a5b9bb005af7a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:33:00,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:33:00,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:33:00,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:33:00,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:33:00,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:33:00,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:33:00,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:33:00,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:33:00,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:33:00,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:33:00,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:33:00,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:33:00,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:33:00,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:33:00,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:33:00,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:33:00,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:33:00,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:33:00,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:33:00,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:33:00,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:33:00,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:33:00,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:33:00,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:33:00,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:33:00,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:33:00,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:33:00,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:33:00,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:33:00,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:33:00,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:33:00,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:33:00,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:33:00,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:33:00,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:33:00,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:33:00,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:33:00,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:33:00,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:33:00,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:33:00,370 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 02:33:00,401 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:33:00,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:33:00,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:33:00,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:33:00,404 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:33:00,404 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:33:00,404 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:33:00,405 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:33:00,405 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:33:00,406 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:33:00,406 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:33:00,406 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:33:00,407 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:33:00,407 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:33:00,408 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:33:00,408 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:33:00,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:33:00,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:33:00,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:33:00,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:33:00,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:33:00,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:33:00,411 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:33:00,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:33:00,412 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:33:00,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:33:00,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:33:00,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:33:00,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:33:00,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:33:00,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:33:00,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:33:00,415 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:33:00,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:33:00,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:33:00,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:33:00,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:33:00,417 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32187ad6a98dd17c1b18f8e1b845f566cde13ca56738d1b8876a5b9bb005af7a [2021-11-13 02:33:00,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:33:00,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:33:00,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:33:00,794 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:33:00,795 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:33:00,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i [2021-11-13 02:33:00,910 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/data/978af0aa1/531874d943ff43c88d36974c037d916b/FLAG273c77e2c [2021-11-13 02:33:02,341 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:33:02,342 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i [2021-11-13 02:33:02,506 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/data/978af0aa1/531874d943ff43c88d36974c037d916b/FLAG273c77e2c [2021-11-13 02:33:02,761 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/data/978af0aa1/531874d943ff43c88d36974c037d916b [2021-11-13 02:33:02,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:33:02,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:33:02,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:33:02,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:33:02,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:33:02,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:33:02" (1/1) ... [2021-11-13 02:33:02,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f10b609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:02, skipping insertion in model container [2021-11-13 02:33:02,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:33:02" (1/1) ... [2021-11-13 02:33:02,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:33:03,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:33:12,912 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:33:19,219 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177218,1177231] [2021-11-13 02:33:19,223 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177363,1177376] [2021-11-13 02:33:19,224 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177509,1177522] [2021-11-13 02:33:19,225 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177674,1177687] [2021-11-13 02:33:19,225 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177832,1177845] [2021-11-13 02:33:19,226 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177990,1178003] [2021-11-13 02:33:19,227 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178148,1178161] [2021-11-13 02:33:19,227 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178308,1178321] [2021-11-13 02:33:19,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178467,1178480] [2021-11-13 02:33:19,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178606,1178619] [2021-11-13 02:33:19,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178748,1178761] [2021-11-13 02:33:19,230 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178897,1178910] [2021-11-13 02:33:19,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179036,1179049] [2021-11-13 02:33:19,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179191,1179204] [2021-11-13 02:33:19,232 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179351,1179364] [2021-11-13 02:33:19,232 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179502,1179515] [2021-11-13 02:33:19,233 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179653,1179666] [2021-11-13 02:33:19,234 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179805,1179818] [2021-11-13 02:33:19,234 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179954,1179967] [2021-11-13 02:33:19,235 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180102,1180115] [2021-11-13 02:33:19,235 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180259,1180272] [2021-11-13 02:33:19,236 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180408,1180421] [2021-11-13 02:33:19,237 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180564,1180577] [2021-11-13 02:33:19,237 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180717,1180730] [2021-11-13 02:33:19,238 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180863,1180876] [2021-11-13 02:33:19,239 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181006,1181019] [2021-11-13 02:33:19,239 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181158,1181171] [2021-11-13 02:33:19,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181304,1181317] [2021-11-13 02:33:19,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181449,1181462] [2021-11-13 02:33:19,241 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181603,1181616] [2021-11-13 02:33:19,242 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181754,1181767] [2021-11-13 02:33:19,242 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181909,1181922] [2021-11-13 02:33:19,243 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182061,1182074] [2021-11-13 02:33:19,243 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182216,1182229] [2021-11-13 02:33:19,244 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182380,1182393] [2021-11-13 02:33:19,245 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182536,1182549] [2021-11-13 02:33:19,245 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182700,1182713] [2021-11-13 02:33:19,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182842,1182855] [2021-11-13 02:33:19,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183000,1183013] [2021-11-13 02:33:19,247 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183167,1183180] [2021-11-13 02:33:19,248 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183326,1183339] [2021-11-13 02:33:19,248 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183485,1183498] [2021-11-13 02:33:19,249 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183634,1183647] [2021-11-13 02:33:19,249 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183781,1183794] [2021-11-13 02:33:19,250 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183920,1183933] [2021-11-13 02:33:19,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184083,1184096] [2021-11-13 02:33:19,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184249,1184262] [2021-11-13 02:33:19,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184413,1184426] [2021-11-13 02:33:19,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184578,1184591] [2021-11-13 02:33:19,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184743,1184756] [2021-11-13 02:33:19,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184909,1184922] [2021-11-13 02:33:19,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185074,1185087] [2021-11-13 02:33:19,255 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185241,1185254] [2021-11-13 02:33:19,255 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185401,1185414] [2021-11-13 02:33:19,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185563,1185576] [2021-11-13 02:33:19,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185722,1185735] [2021-11-13 02:33:19,257 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185868,1185881] [2021-11-13 02:33:19,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186011,1186024] [2021-11-13 02:33:19,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186155,1186168] [2021-11-13 02:33:19,259 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186298,1186311] [2021-11-13 02:33:19,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186442,1186455] [2021-11-13 02:33:19,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186583,1186596] [2021-11-13 02:33:19,261 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186721,1186734] [2021-11-13 02:33:19,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186879,1186892] [2021-11-13 02:33:19,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187038,1187051] [2021-11-13 02:33:19,263 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187194,1187207] [2021-11-13 02:33:19,263 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187343,1187356] [2021-11-13 02:33:19,264 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187495,1187508] [2021-11-13 02:33:19,265 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187646,1187659] [2021-11-13 02:33:19,265 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187795,1187808] [2021-11-13 02:33:19,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187947,1187960] [2021-11-13 02:33:19,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188095,1188108] [2021-11-13 02:33:19,267 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188248,1188261] [2021-11-13 02:33:19,267 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188399,1188412] [2021-11-13 02:33:19,268 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188549,1188562] [2021-11-13 02:33:19,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188696,1188709] [2021-11-13 02:33:19,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188847,1188860] [2021-11-13 02:33:19,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188998,1189011] [2021-11-13 02:33:19,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189146,1189159] [2021-11-13 02:33:19,271 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189312,1189325] [2021-11-13 02:33:19,272 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189481,1189494] [2021-11-13 02:33:19,272 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189648,1189661] [2021-11-13 02:33:19,273 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189816,1189829] [2021-11-13 02:33:19,273 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189966,1189979] [2021-11-13 02:33:19,274 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190113,1190126] [2021-11-13 02:33:19,275 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190274,1190287] [2021-11-13 02:33:19,275 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190444,1190457] [2021-11-13 02:33:19,276 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190606,1190619] [2021-11-13 02:33:19,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:33:19,336 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-13 02:33:19,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9fb218c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:19, skipping insertion in model container [2021-11-13 02:33:19,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:33:19,337 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:33:19,340 INFO L158 Benchmark]: Toolchain (without parser) took 16572.77ms. Allocated memory was 100.7MB in the beginning and 224.4MB in the end (delta: 123.7MB). Free memory was 48.5MB in the beginning and 74.1MB in the end (delta: -25.6MB). Peak memory consumption was 107.3MB. Max. memory is 16.1GB. [2021-11-13 02:33:19,341 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:33:19,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 16569.32ms. Allocated memory was 100.7MB in the beginning and 224.4MB in the end (delta: 123.7MB). Free memory was 48.1MB in the beginning and 74.1MB in the end (delta: -26.0MB). Peak memory consumption was 107.3MB. Max. memory is 16.1GB. [2021-11-13 02:33:19,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 16569.32ms. Allocated memory was 100.7MB in the beginning and 224.4MB in the end (delta: 123.7MB). Free memory was 48.1MB in the beginning and 74.1MB in the end (delta: -26.0MB). Peak memory consumption was 107.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 10002]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF --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 32187ad6a98dd17c1b18f8e1b845f566cde13ca56738d1b8876a5b9bb005af7a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:33:22,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:33:22,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:33:22,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:33:22,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:33:22,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:33:22,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:33:22,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:33:22,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:33:22,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:33:22,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:33:22,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:33:22,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:33:22,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:33:22,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:33:22,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:33:22,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:33:22,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:33:22,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:33:22,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:33:22,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:33:22,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:33:22,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:33:22,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:33:22,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:33:22,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:33:22,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:33:22,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:33:22,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:33:22,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:33:22,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:33:22,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:33:22,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:33:22,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:33:22,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:33:22,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:33:22,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:33:22,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:33:22,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:33:22,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:33:22,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:33:22,435 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 02:33:22,491 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:33:22,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:33:22,493 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:33:22,493 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:33:22,493 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:33:22,493 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:33:22,494 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:33:22,494 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:33:22,494 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:33:22,494 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:33:22,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:33:22,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:33:22,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:33:22,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:33:22,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:33:22,498 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:33:22,499 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:33:22,499 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:33:22,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:33:22,499 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:33:22,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:33:22,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:33:22,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:33:22,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:33:22,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:33:22,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:33:22,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:33:22,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:33:22,502 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:33:22,502 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:33:22,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:33:22,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:33:22,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:33:22,503 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32187ad6a98dd17c1b18f8e1b845f566cde13ca56738d1b8876a5b9bb005af7a [2021-11-13 02:33:23,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:33:23,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:33:23,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:33:23,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:33:23,103 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:33:23,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i [2021-11-13 02:33:23,203 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/data/0aa8e8bf3/d61fa862953748a69a29fd72b4cf2300/FLAGf31bf077b [2021-11-13 02:33:24,852 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:33:24,853 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i [2021-11-13 02:33:24,971 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/data/0aa8e8bf3/d61fa862953748a69a29fd72b4cf2300/FLAGf31bf077b [2021-11-13 02:33:25,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/data/0aa8e8bf3/d61fa862953748a69a29fd72b4cf2300 [2021-11-13 02:33:25,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:33:25,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:33:25,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:33:25,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:33:25,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:33:25,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:33:25" (1/1) ... [2021-11-13 02:33:25,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31da5f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:25, skipping insertion in model container [2021-11-13 02:33:25,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:33:25" (1/1) ... [2021-11-13 02:33:25,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:33:25,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:33:41,343 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177218,1177231] [2021-11-13 02:33:41,346 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177363,1177376] [2021-11-13 02:33:41,346 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177509,1177522] [2021-11-13 02:33:41,347 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177674,1177687] [2021-11-13 02:33:41,348 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177832,1177845] [2021-11-13 02:33:41,349 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177990,1178003] [2021-11-13 02:33:41,349 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178148,1178161] [2021-11-13 02:33:41,350 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178308,1178321] [2021-11-13 02:33:41,350 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178467,1178480] [2021-11-13 02:33:41,351 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178606,1178619] [2021-11-13 02:33:41,352 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178748,1178761] [2021-11-13 02:33:41,352 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178897,1178910] [2021-11-13 02:33:41,353 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179036,1179049] [2021-11-13 02:33:41,354 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179191,1179204] [2021-11-13 02:33:41,354 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179351,1179364] [2021-11-13 02:33:41,355 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179502,1179515] [2021-11-13 02:33:41,356 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179653,1179666] [2021-11-13 02:33:41,356 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179805,1179818] [2021-11-13 02:33:41,357 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179954,1179967] [2021-11-13 02:33:41,358 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180102,1180115] [2021-11-13 02:33:41,358 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180259,1180272] [2021-11-13 02:33:41,359 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180408,1180421] [2021-11-13 02:33:41,360 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180564,1180577] [2021-11-13 02:33:41,360 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180717,1180730] [2021-11-13 02:33:41,361 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180863,1180876] [2021-11-13 02:33:41,362 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181006,1181019] [2021-11-13 02:33:41,362 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181158,1181171] [2021-11-13 02:33:41,363 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181304,1181317] [2021-11-13 02:33:41,364 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181449,1181462] [2021-11-13 02:33:41,364 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181603,1181616] [2021-11-13 02:33:41,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181754,1181767] [2021-11-13 02:33:41,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181909,1181922] [2021-11-13 02:33:41,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182061,1182074] [2021-11-13 02:33:41,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182216,1182229] [2021-11-13 02:33:41,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182380,1182393] [2021-11-13 02:33:41,368 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182536,1182549] [2021-11-13 02:33:41,369 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182700,1182713] [2021-11-13 02:33:41,369 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182842,1182855] [2021-11-13 02:33:41,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183000,1183013] [2021-11-13 02:33:41,371 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183167,1183180] [2021-11-13 02:33:41,372 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183326,1183339] [2021-11-13 02:33:41,372 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183485,1183498] [2021-11-13 02:33:41,373 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183634,1183647] [2021-11-13 02:33:41,374 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183781,1183794] [2021-11-13 02:33:41,374 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183920,1183933] [2021-11-13 02:33:41,375 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184083,1184096] [2021-11-13 02:33:41,376 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184249,1184262] [2021-11-13 02:33:41,376 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184413,1184426] [2021-11-13 02:33:41,377 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184578,1184591] [2021-11-13 02:33:41,378 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184743,1184756] [2021-11-13 02:33:41,379 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184909,1184922] [2021-11-13 02:33:41,379 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185074,1185087] [2021-11-13 02:33:41,380 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185241,1185254] [2021-11-13 02:33:41,381 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185401,1185414] [2021-11-13 02:33:41,381 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185563,1185576] [2021-11-13 02:33:41,382 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185722,1185735] [2021-11-13 02:33:41,383 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185868,1185881] [2021-11-13 02:33:41,383 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186011,1186024] [2021-11-13 02:33:41,384 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186155,1186168] [2021-11-13 02:33:41,384 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186298,1186311] [2021-11-13 02:33:41,385 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186442,1186455] [2021-11-13 02:33:41,386 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186583,1186596] [2021-11-13 02:33:41,386 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186721,1186734] [2021-11-13 02:33:41,387 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186879,1186892] [2021-11-13 02:33:41,388 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187038,1187051] [2021-11-13 02:33:41,388 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187194,1187207] [2021-11-13 02:33:41,389 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187343,1187356] [2021-11-13 02:33:41,390 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187495,1187508] [2021-11-13 02:33:41,390 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187646,1187659] [2021-11-13 02:33:41,391 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187795,1187808] [2021-11-13 02:33:41,392 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187947,1187960] [2021-11-13 02:33:41,392 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188095,1188108] [2021-11-13 02:33:41,393 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188248,1188261] [2021-11-13 02:33:41,394 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188399,1188412] [2021-11-13 02:33:41,394 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188549,1188562] [2021-11-13 02:33:41,395 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188696,1188709] [2021-11-13 02:33:41,396 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188847,1188860] [2021-11-13 02:33:41,396 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188998,1189011] [2021-11-13 02:33:41,397 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189146,1189159] [2021-11-13 02:33:41,398 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189312,1189325] [2021-11-13 02:33:41,398 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189481,1189494] [2021-11-13 02:33:41,399 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189648,1189661] [2021-11-13 02:33:41,400 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189816,1189829] [2021-11-13 02:33:41,400 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189966,1189979] [2021-11-13 02:33:41,401 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190113,1190126] [2021-11-13 02:33:41,402 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190274,1190287] [2021-11-13 02:33:41,402 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190444,1190457] [2021-11-13 02:33:41,403 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190606,1190619] [2021-11-13 02:33:41,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:33:41,493 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 02:33:41,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:33:42,463 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177218,1177231] [2021-11-13 02:33:42,464 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177363,1177376] [2021-11-13 02:33:42,465 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177509,1177522] [2021-11-13 02:33:42,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177674,1177687] [2021-11-13 02:33:42,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177832,1177845] [2021-11-13 02:33:42,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177990,1178003] [2021-11-13 02:33:42,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178148,1178161] [2021-11-13 02:33:42,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178308,1178321] [2021-11-13 02:33:42,471 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178467,1178480] [2021-11-13 02:33:42,472 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178606,1178619] [2021-11-13 02:33:42,472 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178748,1178761] [2021-11-13 02:33:42,473 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178897,1178910] [2021-11-13 02:33:42,475 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179036,1179049] [2021-11-13 02:33:42,481 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179191,1179204] [2021-11-13 02:33:42,483 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179351,1179364] [2021-11-13 02:33:42,483 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179502,1179515] [2021-11-13 02:33:42,484 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179653,1179666] [2021-11-13 02:33:42,486 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179805,1179818] [2021-11-13 02:33:42,488 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179954,1179967] [2021-11-13 02:33:42,488 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180102,1180115] [2021-11-13 02:33:42,489 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180259,1180272] [2021-11-13 02:33:42,491 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180408,1180421] [2021-11-13 02:33:42,491 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180564,1180577] [2021-11-13 02:33:42,492 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180717,1180730] [2021-11-13 02:33:42,492 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180863,1180876] [2021-11-13 02:33:42,493 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181006,1181019] [2021-11-13 02:33:42,493 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181158,1181171] [2021-11-13 02:33:42,494 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181304,1181317] [2021-11-13 02:33:42,494 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181449,1181462] [2021-11-13 02:33:42,496 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181603,1181616] [2021-11-13 02:33:42,497 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181754,1181767] [2021-11-13 02:33:42,498 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181909,1181922] [2021-11-13 02:33:42,499 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182061,1182074] [2021-11-13 02:33:42,499 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182216,1182229] [2021-11-13 02:33:42,500 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182380,1182393] [2021-11-13 02:33:42,501 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182536,1182549] [2021-11-13 02:33:42,501 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182700,1182713] [2021-11-13 02:33:42,503 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182842,1182855] [2021-11-13 02:33:42,504 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183000,1183013] [2021-11-13 02:33:42,504 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183167,1183180] [2021-11-13 02:33:42,505 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183326,1183339] [2021-11-13 02:33:42,506 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183485,1183498] [2021-11-13 02:33:42,507 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183634,1183647] [2021-11-13 02:33:42,508 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183781,1183794] [2021-11-13 02:33:42,509 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183920,1183933] [2021-11-13 02:33:42,510 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184083,1184096] [2021-11-13 02:33:42,511 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184249,1184262] [2021-11-13 02:33:42,518 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184413,1184426] [2021-11-13 02:33:42,519 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184578,1184591] [2021-11-13 02:33:42,520 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184743,1184756] [2021-11-13 02:33:42,520 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184909,1184922] [2021-11-13 02:33:42,521 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185074,1185087] [2021-11-13 02:33:42,522 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185241,1185254] [2021-11-13 02:33:42,522 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185401,1185414] [2021-11-13 02:33:42,523 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185563,1185576] [2021-11-13 02:33:42,523 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185722,1185735] [2021-11-13 02:33:42,524 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185868,1185881] [2021-11-13 02:33:42,524 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186011,1186024] [2021-11-13 02:33:42,525 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186155,1186168] [2021-11-13 02:33:42,527 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186298,1186311] [2021-11-13 02:33:42,531 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186442,1186455] [2021-11-13 02:33:42,532 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186583,1186596] [2021-11-13 02:33:42,532 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186721,1186734] [2021-11-13 02:33:42,533 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186879,1186892] [2021-11-13 02:33:42,534 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187038,1187051] [2021-11-13 02:33:42,535 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187194,1187207] [2021-11-13 02:33:42,536 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187343,1187356] [2021-11-13 02:33:42,537 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187495,1187508] [2021-11-13 02:33:42,537 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187646,1187659] [2021-11-13 02:33:42,545 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187795,1187808] [2021-11-13 02:33:42,546 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187947,1187960] [2021-11-13 02:33:42,546 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188095,1188108] [2021-11-13 02:33:42,547 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188248,1188261] [2021-11-13 02:33:42,547 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188399,1188412] [2021-11-13 02:33:42,548 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188549,1188562] [2021-11-13 02:33:42,548 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188696,1188709] [2021-11-13 02:33:42,548 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188847,1188860] [2021-11-13 02:33:42,549 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188998,1189011] [2021-11-13 02:33:42,551 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189146,1189159] [2021-11-13 02:33:42,552 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189312,1189325] [2021-11-13 02:33:42,553 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189481,1189494] [2021-11-13 02:33:42,554 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189648,1189661] [2021-11-13 02:33:42,555 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189816,1189829] [2021-11-13 02:33:42,555 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189966,1189979] [2021-11-13 02:33:42,556 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190113,1190126] [2021-11-13 02:33:42,556 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190274,1190287] [2021-11-13 02:33:42,557 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190444,1190457] [2021-11-13 02:33:42,557 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190606,1190619] [2021-11-13 02:33:42,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:33:42,610 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:33:43,617 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177218,1177231] [2021-11-13 02:33:43,620 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177363,1177376] [2021-11-13 02:33:43,623 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177509,1177522] [2021-11-13 02:33:43,624 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177674,1177687] [2021-11-13 02:33:43,625 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177832,1177845] [2021-11-13 02:33:43,625 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177990,1178003] [2021-11-13 02:33:43,626 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178148,1178161] [2021-11-13 02:33:43,626 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178308,1178321] [2021-11-13 02:33:43,627 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178467,1178480] [2021-11-13 02:33:43,627 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178606,1178619] [2021-11-13 02:33:43,628 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178748,1178761] [2021-11-13 02:33:43,628 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178897,1178910] [2021-11-13 02:33:43,629 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179036,1179049] [2021-11-13 02:33:43,630 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179191,1179204] [2021-11-13 02:33:43,631 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179351,1179364] [2021-11-13 02:33:43,631 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179502,1179515] [2021-11-13 02:33:43,632 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179653,1179666] [2021-11-13 02:33:43,632 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179805,1179818] [2021-11-13 02:33:43,633 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179954,1179967] [2021-11-13 02:33:43,633 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180102,1180115] [2021-11-13 02:33:43,634 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180259,1180272] [2021-11-13 02:33:43,634 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180408,1180421] [2021-11-13 02:33:43,635 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180564,1180577] [2021-11-13 02:33:43,635 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180717,1180730] [2021-11-13 02:33:43,636 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180863,1180876] [2021-11-13 02:33:43,637 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181006,1181019] [2021-11-13 02:33:43,639 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181158,1181171] [2021-11-13 02:33:43,640 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181304,1181317] [2021-11-13 02:33:43,641 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181449,1181462] [2021-11-13 02:33:43,641 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181603,1181616] [2021-11-13 02:33:43,642 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181754,1181767] [2021-11-13 02:33:43,642 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181909,1181922] [2021-11-13 02:33:43,643 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182061,1182074] [2021-11-13 02:33:43,643 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182216,1182229] [2021-11-13 02:33:43,644 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182380,1182393] [2021-11-13 02:33:43,644 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182536,1182549] [2021-11-13 02:33:43,644 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182700,1182713] [2021-11-13 02:33:43,645 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182842,1182855] [2021-11-13 02:33:43,646 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183000,1183013] [2021-11-13 02:33:43,647 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183167,1183180] [2021-11-13 02:33:43,649 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183326,1183339] [2021-11-13 02:33:43,649 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183485,1183498] [2021-11-13 02:33:43,650 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183634,1183647] [2021-11-13 02:33:43,652 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183781,1183794] [2021-11-13 02:33:43,653 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183920,1183933] [2021-11-13 02:33:43,653 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184083,1184096] [2021-11-13 02:33:43,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184249,1184262] [2021-11-13 02:33:43,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184413,1184426] [2021-11-13 02:33:43,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184578,1184591] [2021-11-13 02:33:43,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184743,1184756] [2021-11-13 02:33:43,657 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184909,1184922] [2021-11-13 02:33:43,658 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185074,1185087] [2021-11-13 02:33:43,658 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185241,1185254] [2021-11-13 02:33:43,659 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185401,1185414] [2021-11-13 02:33:43,659 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185563,1185576] [2021-11-13 02:33:43,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185722,1185735] [2021-11-13 02:33:43,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185868,1185881] [2021-11-13 02:33:43,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186011,1186024] [2021-11-13 02:33:43,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186155,1186168] [2021-11-13 02:33:43,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186298,1186311] [2021-11-13 02:33:43,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186442,1186455] [2021-11-13 02:33:43,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186583,1186596] [2021-11-13 02:33:43,663 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186721,1186734] [2021-11-13 02:33:43,663 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186879,1186892] [2021-11-13 02:33:43,664 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187038,1187051] [2021-11-13 02:33:43,664 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187194,1187207] [2021-11-13 02:33:43,664 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187343,1187356] [2021-11-13 02:33:43,665 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187495,1187508] [2021-11-13 02:33:43,665 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187646,1187659] [2021-11-13 02:33:43,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187795,1187808] [2021-11-13 02:33:43,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187947,1187960] [2021-11-13 02:33:43,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188095,1188108] [2021-11-13 02:33:43,667 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188248,1188261] [2021-11-13 02:33:43,667 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188399,1188412] [2021-11-13 02:33:43,668 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188549,1188562] [2021-11-13 02:33:43,669 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188696,1188709] [2021-11-13 02:33:43,669 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188847,1188860] [2021-11-13 02:33:43,670 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188998,1189011] [2021-11-13 02:33:43,670 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189146,1189159] [2021-11-13 02:33:43,674 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189312,1189325] [2021-11-13 02:33:43,679 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189481,1189494] [2021-11-13 02:33:43,680 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189648,1189661] [2021-11-13 02:33:43,680 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189816,1189829] [2021-11-13 02:33:43,681 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189966,1189979] [2021-11-13 02:33:43,681 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190113,1190126] [2021-11-13 02:33:43,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190274,1190287] [2021-11-13 02:33:43,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190444,1190457] [2021-11-13 02:33:43,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190606,1190619] [2021-11-13 02:33:43,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:33:44,833 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:33:44,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:44 WrapperNode [2021-11-13 02:33:44,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:33:44,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:33:44,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:33:44,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:33:44,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:44" (1/1) ... [2021-11-13 02:33:45,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:44" (1/1) ... [2021-11-13 02:33:45,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:33:45,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:33:45,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:33:45,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:33:45,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:44" (1/1) ... [2021-11-13 02:33:45,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:44" (1/1) ... [2021-11-13 02:33:46,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:44" (1/1) ... [2021-11-13 02:33:46,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:44" (1/1) ... [2021-11-13 02:33:46,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:44" (1/1) ... [2021-11-13 02:33:46,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:44" (1/1) ... [2021-11-13 02:33:46,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:44" (1/1) ... [2021-11-13 02:33:46,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:33:46,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:33:46,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:33:46,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:33:46,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:44" (1/1) ... [2021-11-13 02:33:46,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:33:46,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:33:47,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:33:47,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:33:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-13 02:33:47,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-13 02:33:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_create [2021-11-13 02:33:47,067 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_create [2021-11-13 02:33:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-13 02:33:47,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-13 02:33:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_write_setup [2021-11-13 02:33:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_write_setup [2021-11-13 02:33:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_write_pages [2021-11-13 02:33:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_write_pages [2021-11-13 02:33:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_alloc_createdata [2021-11-13 02:33:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_alloc_createdata [2021-11-13 02:33:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_lock_check_bounds [2021-11-13 02:33:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_lock_check_bounds [2021-11-13 02:33:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_mkdir [2021-11-13 02:33:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_mkdir [2021-11-13 02:33:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rename_setup [2021-11-13 02:33:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rename_setup [2021-11-13 02:33:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-13 02:33:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-13 02:33:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_lookup [2021-11-13 02:33:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_lookup [2021-11-13 02:33:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 02:33:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 02:33:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-13 02:33:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-13 02:33:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-13 02:33:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-13 02:33:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 02:33:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 02:33:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_unlink [2021-11-13 02:33:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_stat_to_errno [2021-11-13 02:33:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_stat_to_errno [2021-11-13 02:33:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-13 02:33:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-13 02:33:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 02:33:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_readdir [2021-11-13 02:33:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_readdir [2021-11-13 02:33:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 02:33:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 02:33:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 02:33:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure encode_sattr [2021-11-13 02:33:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure encode_sattr [2021-11-13 02:33:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rename_rpc_prepare [2021-11-13 02:33:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rename_rpc_prepare [2021-11-13 02:33:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_unlink_rpc_prepare [2021-11-13 02:33:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_unlink_rpc_prepare [2021-11-13 02:33:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_rmdir [2021-11-13 02:33:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_rmdir [2021-11-13 02:33:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_free_client [2021-11-13 02:33:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_free_client [2021-11-13 02:33:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:33:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:33:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-11-13 02:33:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-11-13 02:33:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 02:33:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_current_server_time [2021-11-13 02:33:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_current_server_time [2021-11-13 02:33:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2021-11-13 02:33:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2021-11-13 02:33:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_commit_rpc_prepare [2021-11-13 02:33:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_commit_rpc_prepare [2021-11-13 02:33:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_readlink [2021-11-13 02:33:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_readlink [2021-11-13 02:33:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_invalidate_atime [2021-11-13 02:33:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_invalidate_atime [2021-11-13 02:33:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_clone_server [2021-11-13 02:33:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_clone_server [2021-11-13 02:33:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-13 02:33:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-13 02:33:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_pgio_rpc_prepare [2021-11-13 02:33:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_pgio_rpc_prepare [2021-11-13 02:33:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_permission [2021-11-13 02:33:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_permission [2021-11-13 02:33:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-13 02:33:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-13 02:33:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:33:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-13 02:33:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-13 02:33:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 02:33:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_symlink [2021-11-13 02:33:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_symlink [2021-11-13 02:33:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_time [2021-11-13 02:33:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_time [2021-11-13 02:33:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2021-11-13 02:33:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2021-11-13 02:33:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rename_done [2021-11-13 02:33:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rename_done [2021-11-13 02:33:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-13 02:33:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-13 02:33:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-13 02:33:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-13 02:33:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_decode_time [2021-11-13 02:33:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_decode_time [2021-11-13 02:33:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_getattr [2021-11-13 02:33:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_getattr [2021-11-13 02:33:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure decode_attrstat [2021-11-13 02:33:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_attrstat [2021-11-13 02:33:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 02:33:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-13 02:33:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-13 02:33:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-13 02:33:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 02:33:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 02:33:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-11-13 02:33:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-11-13 02:33:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_alloc_client [2021-11-13 02:33:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_alloc_client [2021-11-13 02:33:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_lock [2021-11-13 02:33:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_lock [2021-11-13 02:33:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_statfs [2021-11-13 02:33:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_statfs [2021-11-13 02:33:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_remove [2021-11-13 02:33:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_remove [2021-11-13 02:33:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_read_done [2021-11-13 02:33:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_read_done [2021-11-13 02:33:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_reply_buffer [2021-11-13 02:33:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_reply_buffer [2021-11-13 02:33:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_read_setup [2021-11-13 02:33:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_read_setup [2021-11-13 02:33:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-13 02:33:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-13 02:33:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_return_delegation [2021-11-13 02:33:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_return_delegation [2021-11-13 02:33:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 02:33:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 02:33:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure encode_fhandle [2021-11-13 02:33:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure encode_fhandle [2021-11-13 02:33:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-13 02:33:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-13 02:33:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-13 02:33:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-13 02:33:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_instantiate [2021-11-13 02:33:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_instantiate [2021-11-13 02:33:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_commit_setup [2021-11-13 02:33:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_commit_setup [2021-11-13 02:33:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2021-11-13 02:33:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2021-11-13 02:33:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 02:33:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 02:33:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 02:33:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 02:33:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-13 02:33:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-13 02:33:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:33:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_link [2021-11-13 02:33:47,093 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_link [2021-11-13 02:33:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 02:33:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 02:33:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_pathconf [2021-11-13 02:33:47,093 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_pathconf [2021-11-13 02:33:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_rename [2021-11-13 02:33:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_rename [2021-11-13 02:33:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FH [2021-11-13 02:33:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FH [2021-11-13 02:33:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-13 02:33:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-13 02:33:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-13 02:33:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-13 02:33:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure decode_stat [2021-11-13 02:33:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_stat [2021-11-13 02:33:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 02:33:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 02:33:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-13 02:33:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-13 02:33:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure nfs2_xdr_enc_writeargs [2021-11-13 02:33:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs2_xdr_enc_writeargs [2021-11-13 02:33:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-13 02:33:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-13 02:33:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_read_pages [2021-11-13 02:33:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_read_pages [2021-11-13 02:33:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rmdir [2021-11-13 02:33:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rmdir [2021-11-13 02:33:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-13 02:33:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-13 02:33:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_fattr_init [2021-11-13 02:33:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_fattr_init [2021-11-13 02:33:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-13 02:33:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-13 02:33:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_setattr [2021-11-13 02:33:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_setattr [2021-11-13 02:33:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_fsinfo [2021-11-13 02:33:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_fsinfo [2021-11-13 02:33:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure print_overflow_msg [2021-11-13 02:33:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure print_overflow_msg [2021-11-13 02:33:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2021-11-13 02:33:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2021-11-13 02:33:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-13 02:33:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-13 02:33:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_free_createdata [2021-11-13 02:33:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_free_createdata [2021-11-13 02:33:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 02:33:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure decode_fattr [2021-11-13 02:33:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_fattr [2021-11-13 02:33:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_CLIENT [2021-11-13 02:33:47,101 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_CLIENT [2021-11-13 02:33:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-13 02:33:47,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-13 02:33:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_write_done [2021-11-13 02:33:47,101 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_write_done [2021-11-13 02:33:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-13 02:33:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-13 02:33:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-13 02:33:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 02:33:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 02:33:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 02:33:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 02:33:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_call_start [2021-11-13 02:33:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_call_start [2021-11-13 02:33:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 02:33:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 02:33:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-13 02:33:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-13 02:33:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure nfs2_xdr_dec_attrstat [2021-11-13 02:33:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs2_xdr_dec_attrstat [2021-11-13 02:33:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_get_root [2021-11-13 02:33:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_get_root [2021-11-13 02:33:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_try_mount [2021-11-13 02:33:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_try_mount [2021-11-13 02:33:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure nfs2_decode_dirent [2021-11-13 02:33:47,109 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs2_decode_dirent [2021-11-13 02:33:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_create_server [2021-11-13 02:33:47,110 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_create_server [2021-11-13 02:33:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_mknod [2021-11-13 02:33:47,110 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_mknod [2021-11-13 02:33:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 02:33:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 02:33:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-13 02:33:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 02:33:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 02:33:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_reserve_space [2021-11-13 02:33:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_reserve_space [2021-11-13 02:33:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-13 02:33:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-13 02:33:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_close_context [2021-11-13 02:33:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_close_context [2021-11-13 02:33:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 02:33:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 02:33:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_client [2021-11-13 02:33:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_client [2021-11-13 02:33:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-13 02:33:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-13 02:33:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 02:33:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 02:33:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-13 02:33:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-13 02:33:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_unlink_done [2021-11-13 02:33:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_unlink_done [2021-11-13 02:33:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-13 02:33:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-13 02:33:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_call_sync [2021-11-13 02:33:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_call_sync [2021-11-13 02:33:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-13 02:33:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-13 02:33:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_submount [2021-11-13 02:33:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_submount [2021-11-13 02:33:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure encode_diropargs [2021-11-13 02:33:47,116 INFO L138 BoogieDeclarations]: Found implementation of procedure encode_diropargs [2021-11-13 02:33:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_time_not_set [2021-11-13 02:33:47,116 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_time_not_set [2021-11-13 02:33:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 02:33:47,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 02:33:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-13 02:33:47,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-13 02:33:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_unlink_setup [2021-11-13 02:33:47,117 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_unlink_setup [2021-11-13 02:33:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_setattr [2021-11-13 02:33:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_mark_for_revalidate [2021-11-13 02:33:47,118 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_mark_for_revalidate [2021-11-13 02:33:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_have_delegation [2021-11-13 02:33:47,118 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_have_delegation [2021-11-13 02:33:53,309 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 02:34:52,356 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:34:52,356 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 02:34:52,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:34:52 BoogieIcfgContainer [2021-11-13 02:34:52,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:34:52,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:34:52,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:34:52,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:34:52,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:33:25" (1/3) ... [2021-11-13 02:34:52,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@889227d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:34:52, skipping insertion in model container [2021-11-13 02:34:52,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:44" (2/3) ... [2021-11-13 02:34:52,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@889227d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:34:52, skipping insertion in model container [2021-11-13 02:34:52,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:34:52" (3/3) ... [2021-11-13 02:34:52,373 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i [2021-11-13 02:34:52,380 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:34:52,380 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2021-11-13 02:34:52,461 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:34:52,468 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 02:34:52,469 INFO L340 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2021-11-13 02:34:52,632 INFO L276 IsEmpty]: Start isEmpty. Operand has 5385 states, 3389 states have (on average 1.2493360873413986) internal successors, (4234), 3742 states have internal predecessors, (4234), 1850 states have call successors, (1850), 121 states have call predecessors, (1850), 120 states have return successors, (1824), 1548 states have call predecessors, (1824), 1824 states have call successors, (1824) [2021-11-13 02:34:52,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 02:34:52,638 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:34:52,639 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1] [2021-11-13 02:34:52,640 INFO L402 AbstractCegarLoop]: === Iteration 1 === 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 23 more)] === [2021-11-13 02:34:52,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:34:52,646 INFO L85 PathProgramCache]: Analyzing trace with hash -253839563, now seen corresponding path program 1 times [2021-11-13 02:34:52,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:34:52,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383745868] [2021-11-13 02:34:52,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:34:52,671 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:34:52,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:34:52,679 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:34:52,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 02:34:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:34:56,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-13 02:34:56,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:34:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 02:34:58,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:34:59,133 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 02:34:59,134 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:34:59,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383745868] [2021-11-13 02:34:59,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [383745868] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:34:59,135 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:34:59,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 14] imperfect sequences [] total 17 [2021-11-13 02:34:59,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876601305] [2021-11-13 02:34:59,138 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:34:59,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-13 02:34:59,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:34:59,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-13 02:34:59,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-11-13 02:34:59,202 INFO L87 Difference]: Start difference. First operand has 5385 states, 3389 states have (on average 1.2493360873413986) internal successors, (4234), 3742 states have internal predecessors, (4234), 1850 states have call successors, (1850), 121 states have call predecessors, (1850), 120 states have return successors, (1824), 1548 states have call predecessors, (1824), 1824 states have call successors, (1824) Second operand has 17 states, 16 states have (on average 2.3125) internal successors, (37), 16 states have internal predecessors, (37), 7 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2021-11-13 02:35:16,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:16,143 INFO L93 Difference]: Finished difference Result 10658 states and 15822 transitions. [2021-11-13 02:35:16,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 02:35:16,146 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.3125) internal successors, (37), 16 states have internal predecessors, (37), 7 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) Word has length 50 [2021-11-13 02:35:16,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:16,246 INFO L225 Difference]: With dead ends: 10658 [2021-11-13 02:35:16,246 INFO L226 Difference]: Without dead ends: 5226 [2021-11-13 02:35:16,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2021-11-13 02:35:16,306 INFO L933 BasicCegarLoop]: 7704 mSDtfsCounter, 23013 mSDsluCounter, 74268 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 10706 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12514.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23013 SdHoareTripleChecker+Valid, 81972 SdHoareTripleChecker+Invalid, 11411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 513.71ms SdHoareTripleChecker+Time, 10706 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14428.82ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:16,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23013 Valid, 81972 Invalid, 11411 Unknown, 0 Unchecked, 513.71ms Time], IncrementalHoareTripleChecker [10706 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 14428.82ms Time] [2021-11-13 02:35:16,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5226 states. [2021-11-13 02:35:17,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5226 to 5224. [2021-11-13 02:35:17,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5224 states, 3327 states have (on average 1.2311391644123835) internal successors, (4096), 3642 states have internal predecessors, (4096), 1755 states have call successors, (1755), 118 states have call predecessors, (1755), 117 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:35:17,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5224 states to 5224 states and 7605 transitions. [2021-11-13 02:35:17,424 INFO L78 Accepts]: Start accepts. Automaton has 5224 states and 7605 transitions. Word has length 50 [2021-11-13 02:35:17,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:17,427 INFO L470 AbstractCegarLoop]: Abstraction has 5224 states and 7605 transitions. [2021-11-13 02:35:17,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.3125) internal successors, (37), 16 states have internal predecessors, (37), 7 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2021-11-13 02:35:17,429 INFO L276 IsEmpty]: Start isEmpty. Operand 5224 states and 7605 transitions. [2021-11-13 02:35:17,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 02:35:17,434 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:17,435 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:35:17,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:35:17,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:17,659 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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 23 more)] === [2021-11-13 02:35:17,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:17,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1798519009, now seen corresponding path program 1 times [2021-11-13 02:35:17,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:17,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [945421570] [2021-11-13 02:35:17,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:17,664 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:17,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:17,668 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:17,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 02:35:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:35:22,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 1589 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:35:22,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:35:22,561 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:35:22,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:35:22,929 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:35:22,929 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:35:22,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [945421570] [2021-11-13 02:35:22,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [945421570] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:35:22,930 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:35:22,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:35:22,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899683612] [2021-11-13 02:35:22,930 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:35:22,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:35:22,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:35:22,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:35:22,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:35:22,933 INFO L87 Difference]: Start difference. First operand 5224 states and 7605 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-13 02:35:23,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:23,729 INFO L93 Difference]: Finished difference Result 5224 states and 7605 transitions. [2021-11-13 02:35:23,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:35:23,730 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 59 [2021-11-13 02:35:23,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:23,784 INFO L225 Difference]: With dead ends: 5224 [2021-11-13 02:35:23,784 INFO L226 Difference]: Without dead ends: 5222 [2021-11-13 02:35:23,788 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:35:23,790 INFO L933 BasicCegarLoop]: 7601 mSDtfsCounter, 7557 mSDsluCounter, 15198 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7558 SdHoareTripleChecker+Valid, 22799 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 127.57ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.28ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:23,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7558 Valid, 22799 Invalid, 2 Unknown, 0 Unchecked, 127.57ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.28ms Time] [2021-11-13 02:35:23,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5222 states. [2021-11-13 02:35:24,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5222 to 5222. [2021-11-13 02:35:24,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5222 states, 3326 states have (on average 1.2309079975947084) internal successors, (4094), 3640 states have internal predecessors, (4094), 1755 states have call successors, (1755), 118 states have call predecessors, (1755), 117 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:35:24,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5222 states to 5222 states and 7603 transitions. [2021-11-13 02:35:24,644 INFO L78 Accepts]: Start accepts. Automaton has 5222 states and 7603 transitions. Word has length 59 [2021-11-13 02:35:24,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:24,647 INFO L470 AbstractCegarLoop]: Abstraction has 5222 states and 7603 transitions. [2021-11-13 02:35:24,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-13 02:35:24,647 INFO L276 IsEmpty]: Start isEmpty. Operand 5222 states and 7603 transitions. [2021-11-13 02:35:24,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 02:35:24,653 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:24,654 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:35:24,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:35:24,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:24,871 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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 23 more)] === [2021-11-13 02:35:24,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:24,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1874318153, now seen corresponding path program 1 times [2021-11-13 02:35:24,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:24,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [904832473] [2021-11-13 02:35:24,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:24,875 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:24,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:24,877 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:24,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 02:35:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:35:29,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 1598 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:35:29,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:35:29,678 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:35:29,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:35:30,038 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:35:30,038 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:35:30,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [904832473] [2021-11-13 02:35:30,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [904832473] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:35:30,039 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:35:30,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:35:30,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947233291] [2021-11-13 02:35:30,039 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:35:30,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:35:30,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:35:30,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:35:30,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:35:30,041 INFO L87 Difference]: Start difference. First operand 5222 states and 7603 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-13 02:35:30,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:30,662 INFO L93 Difference]: Finished difference Result 5222 states and 7603 transitions. [2021-11-13 02:35:30,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:35:30,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 65 [2021-11-13 02:35:30,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:30,730 INFO L225 Difference]: With dead ends: 5222 [2021-11-13 02:35:30,731 INFO L226 Difference]: Without dead ends: 5220 [2021-11-13 02:35:30,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:35:30,742 INFO L933 BasicCegarLoop]: 7599 mSDtfsCounter, 7552 mSDsluCounter, 7597 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7553 SdHoareTripleChecker+Valid, 15196 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 46.79ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.54ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:30,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7553 Valid, 15196 Invalid, 2 Unknown, 0 Unchecked, 46.79ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.54ms Time] [2021-11-13 02:35:30,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5220 states. [2021-11-13 02:35:31,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5220 to 5220. [2021-11-13 02:35:31,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5220 states, 3325 states have (on average 1.2306766917293233) internal successors, (4092), 3638 states have internal predecessors, (4092), 1755 states have call successors, (1755), 118 states have call predecessors, (1755), 117 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:35:31,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5220 states to 5220 states and 7601 transitions. [2021-11-13 02:35:31,586 INFO L78 Accepts]: Start accepts. Automaton has 5220 states and 7601 transitions. Word has length 65 [2021-11-13 02:35:31,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:31,587 INFO L470 AbstractCegarLoop]: Abstraction has 5220 states and 7601 transitions. [2021-11-13 02:35:31,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-13 02:35:31,587 INFO L276 IsEmpty]: Start isEmpty. Operand 5220 states and 7601 transitions. [2021-11-13 02:35:31,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 02:35:31,589 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:31,590 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:35:31,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 02:35:31,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:31,803 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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 23 more)] === [2021-11-13 02:35:31,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:31,804 INFO L85 PathProgramCache]: Analyzing trace with hash 748037694, now seen corresponding path program 1 times [2021-11-13 02:35:31,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:31,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647022944] [2021-11-13 02:35:31,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:31,807 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:31,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:31,809 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:31,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 02:35:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:35:35,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:35:35,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:35:36,268 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:35:36,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:35:36,636 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:35:36,636 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:35:36,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1647022944] [2021-11-13 02:35:36,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1647022944] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:35:36,637 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:35:36,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:35:36,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703203405] [2021-11-13 02:35:36,638 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:35:36,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:35:36,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:35:36,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:35:36,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:35:36,640 INFO L87 Difference]: Start difference. First operand 5220 states and 7601 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-13 02:35:37,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:37,282 INFO L93 Difference]: Finished difference Result 5220 states and 7601 transitions. [2021-11-13 02:35:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:35:37,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 71 [2021-11-13 02:35:37,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:37,345 INFO L225 Difference]: With dead ends: 5220 [2021-11-13 02:35:37,345 INFO L226 Difference]: Without dead ends: 5218 [2021-11-13 02:35:37,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:35:37,356 INFO L933 BasicCegarLoop]: 7597 mSDtfsCounter, 7541 mSDsluCounter, 15190 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7542 SdHoareTripleChecker+Valid, 22787 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 60.24ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.21ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:37,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7542 Valid, 22787 Invalid, 2 Unknown, 0 Unchecked, 60.24ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.21ms Time] [2021-11-13 02:35:37,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5218 states. [2021-11-13 02:35:38,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5218 to 5218. [2021-11-13 02:35:38,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5218 states, 3324 states have (on average 1.230445246690734) internal successors, (4090), 3636 states have internal predecessors, (4090), 1755 states have call successors, (1755), 118 states have call predecessors, (1755), 117 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:35:38,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5218 states to 5218 states and 7599 transitions. [2021-11-13 02:35:38,254 INFO L78 Accepts]: Start accepts. Automaton has 5218 states and 7599 transitions. Word has length 71 [2021-11-13 02:35:38,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:38,257 INFO L470 AbstractCegarLoop]: Abstraction has 5218 states and 7599 transitions. [2021-11-13 02:35:38,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-13 02:35:38,258 INFO L276 IsEmpty]: Start isEmpty. Operand 5218 states and 7599 transitions. [2021-11-13 02:35:38,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 02:35:38,268 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:38,269 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:35:38,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 02:35:38,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:38,495 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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 23 more)] === [2021-11-13 02:35:38,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:38,496 INFO L85 PathProgramCache]: Analyzing trace with hash -2129786178, now seen corresponding path program 1 times [2021-11-13 02:35:38,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:38,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41578191] [2021-11-13 02:35:38,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:38,501 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:38,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:38,502 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:38,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 02:35:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:35:42,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 1616 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:35:42,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:35:42,972 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:35:42,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:35:43,311 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:35:43,312 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:35:43,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [41578191] [2021-11-13 02:35:43,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [41578191] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:35:43,312 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:35:43,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:35:43,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77000346] [2021-11-13 02:35:43,313 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:35:43,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:35:43,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:35:43,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:35:43,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:35:43,315 INFO L87 Difference]: Start difference. First operand 5218 states and 7599 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-13 02:35:43,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:43,952 INFO L93 Difference]: Finished difference Result 5218 states and 7599 transitions. [2021-11-13 02:35:43,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:35:43,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 77 [2021-11-13 02:35:43,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:44,011 INFO L225 Difference]: With dead ends: 5218 [2021-11-13 02:35:44,012 INFO L226 Difference]: Without dead ends: 5216 [2021-11-13 02:35:44,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:35:44,019 INFO L933 BasicCegarLoop]: 7595 mSDtfsCounter, 7533 mSDsluCounter, 15186 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7534 SdHoareTripleChecker+Valid, 22781 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 57.13ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.28ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:44,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7534 Valid, 22781 Invalid, 2 Unknown, 0 Unchecked, 57.13ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.28ms Time] [2021-11-13 02:35:44,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5216 states. [2021-11-13 02:35:44,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5216 to 5216. [2021-11-13 02:35:44,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5216 states, 3323 states have (on average 1.2302136623532953) internal successors, (4088), 3634 states have internal predecessors, (4088), 1755 states have call successors, (1755), 118 states have call predecessors, (1755), 117 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:35:44,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5216 states to 5216 states and 7597 transitions. [2021-11-13 02:35:44,783 INFO L78 Accepts]: Start accepts. Automaton has 5216 states and 7597 transitions. Word has length 77 [2021-11-13 02:35:44,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:44,784 INFO L470 AbstractCegarLoop]: Abstraction has 5216 states and 7597 transitions. [2021-11-13 02:35:44,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-13 02:35:44,784 INFO L276 IsEmpty]: Start isEmpty. Operand 5216 states and 7597 transitions. [2021-11-13 02:35:44,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 02:35:44,788 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:44,788 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:35:44,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 02:35:45,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:45,003 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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 23 more)] === [2021-11-13 02:35:45,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:45,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1842398198, now seen corresponding path program 1 times [2021-11-13 02:35:45,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:45,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [733026964] [2021-11-13 02:35:45,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:45,006 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:45,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:45,007 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:45,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 02:35:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:35:48,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 1625 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:35:48,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:35:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:35:49,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:35:49,467 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:35:49,467 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:35:49,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [733026964] [2021-11-13 02:35:49,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [733026964] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:35:49,467 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:35:49,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:35:49,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678051517] [2021-11-13 02:35:49,468 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:35:49,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:35:49,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:35:49,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:35:49,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:35:49,469 INFO L87 Difference]: Start difference. First operand 5216 states and 7597 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-13 02:35:50,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:50,106 INFO L93 Difference]: Finished difference Result 5216 states and 7597 transitions. [2021-11-13 02:35:50,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:35:50,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 83 [2021-11-13 02:35:50,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:50,163 INFO L225 Difference]: With dead ends: 5216 [2021-11-13 02:35:50,163 INFO L226 Difference]: Without dead ends: 5214 [2021-11-13 02:35:50,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:35:50,173 INFO L933 BasicCegarLoop]: 7593 mSDtfsCounter, 7525 mSDsluCounter, 15182 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7526 SdHoareTripleChecker+Valid, 22775 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 57.29ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.24ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:50,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7526 Valid, 22775 Invalid, 2 Unknown, 0 Unchecked, 57.29ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.24ms Time] [2021-11-13 02:35:50,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5214 states. [2021-11-13 02:35:50,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5214 to 5214. [2021-11-13 02:35:50,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5214 states, 3322 states have (on average 1.22998193859121) internal successors, (4086), 3632 states have internal predecessors, (4086), 1755 states have call successors, (1755), 118 states have call predecessors, (1755), 117 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:35:51,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5214 states to 5214 states and 7595 transitions. [2021-11-13 02:35:51,004 INFO L78 Accepts]: Start accepts. Automaton has 5214 states and 7595 transitions. Word has length 83 [2021-11-13 02:35:51,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:51,006 INFO L470 AbstractCegarLoop]: Abstraction has 5214 states and 7595 transitions. [2021-11-13 02:35:51,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-13 02:35:51,007 INFO L276 IsEmpty]: Start isEmpty. Operand 5214 states and 7595 transitions. [2021-11-13 02:35:51,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-13 02:35:51,015 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:51,016 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:35:51,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 02:35:51,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:51,231 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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 23 more)] === [2021-11-13 02:35:51,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:51,231 INFO L85 PathProgramCache]: Analyzing trace with hash 108925360, now seen corresponding path program 1 times [2021-11-13 02:35:51,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:51,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787372815] [2021-11-13 02:35:51,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:51,234 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:51,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:51,237 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:51,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 02:35:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:35:54,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 1634 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:35:54,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:35:55,612 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:35:55,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:35:55,977 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:35:55,977 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:35:55,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787372815] [2021-11-13 02:35:55,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1787372815] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:35:55,978 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:35:55,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:35:55,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563286322] [2021-11-13 02:35:55,979 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:35:55,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:35:55,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:35:55,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:35:55,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:35:55,981 INFO L87 Difference]: Start difference. First operand 5214 states and 7595 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-13 02:35:56,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:56,563 INFO L93 Difference]: Finished difference Result 5214 states and 7595 transitions. [2021-11-13 02:35:56,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:35:56,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 89 [2021-11-13 02:35:56,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:56,592 INFO L225 Difference]: With dead ends: 5214 [2021-11-13 02:35:56,592 INFO L226 Difference]: Without dead ends: 5212 [2021-11-13 02:35:56,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:35:56,597 INFO L933 BasicCegarLoop]: 7591 mSDtfsCounter, 7517 mSDsluCounter, 15178 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7518 SdHoareTripleChecker+Valid, 22769 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 44.48ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.11ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:56,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7518 Valid, 22769 Invalid, 2 Unknown, 0 Unchecked, 44.48ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.11ms Time] [2021-11-13 02:35:56,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5212 states. [2021-11-13 02:35:57,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5212 to 5212. [2021-11-13 02:35:57,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5212 states, 3321 states have (on average 1.2297500752785306) internal successors, (4084), 3630 states have internal predecessors, (4084), 1755 states have call successors, (1755), 118 states have call predecessors, (1755), 117 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:35:57,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5212 states to 5212 states and 7593 transitions. [2021-11-13 02:35:57,424 INFO L78 Accepts]: Start accepts. Automaton has 5212 states and 7593 transitions. Word has length 89 [2021-11-13 02:35:57,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:57,425 INFO L470 AbstractCegarLoop]: Abstraction has 5212 states and 7593 transitions. [2021-11-13 02:35:57,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-13 02:35:57,426 INFO L276 IsEmpty]: Start isEmpty. Operand 5212 states and 7593 transitions. [2021-11-13 02:35:57,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-13 02:35:57,427 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:57,428 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:35:57,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-13 02:35:57,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:57,635 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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 23 more)] === [2021-11-13 02:35:57,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:57,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1918286275, now seen corresponding path program 1 times [2021-11-13 02:35:57,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:57,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [495518157] [2021-11-13 02:35:57,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:57,639 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:57,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:57,640 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:57,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-13 02:36:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:36:01,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 1643 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:36:01,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:36:01,884 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:36:01,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:36:02,276 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:36:02,276 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:36:02,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [495518157] [2021-11-13 02:36:02,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [495518157] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:36:02,277 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:36:02,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:36:02,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621888172] [2021-11-13 02:36:02,278 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:36:02,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:36:02,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:36:02,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:36:02,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:36:02,280 INFO L87 Difference]: Start difference. First operand 5212 states and 7593 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 02:36:02,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:36:02,879 INFO L93 Difference]: Finished difference Result 5212 states and 7593 transitions. [2021-11-13 02:36:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:36:02,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 95 [2021-11-13 02:36:02,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:36:02,909 INFO L225 Difference]: With dead ends: 5212 [2021-11-13 02:36:02,909 INFO L226 Difference]: Without dead ends: 5210 [2021-11-13 02:36:02,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:36:02,916 INFO L933 BasicCegarLoop]: 7589 mSDtfsCounter, 7512 mSDsluCounter, 7587 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7513 SdHoareTripleChecker+Valid, 15176 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.04ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.80ms IncrementalHoareTripleChecker+Time [2021-11-13 02:36:02,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7513 Valid, 15176 Invalid, 2 Unknown, 0 Unchecked, 35.04ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.80ms Time] [2021-11-13 02:36:02,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5210 states. [2021-11-13 02:36:03,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5210 to 5210. [2021-11-13 02:36:03,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5210 states, 3320 states have (on average 1.2295180722891565) internal successors, (4082), 3628 states have internal predecessors, (4082), 1755 states have call successors, (1755), 118 states have call predecessors, (1755), 117 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:36:03,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5210 states to 5210 states and 7591 transitions. [2021-11-13 02:36:03,704 INFO L78 Accepts]: Start accepts. Automaton has 5210 states and 7591 transitions. Word has length 95 [2021-11-13 02:36:03,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:36:03,705 INFO L470 AbstractCegarLoop]: Abstraction has 5210 states and 7591 transitions. [2021-11-13 02:36:03,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 02:36:03,706 INFO L276 IsEmpty]: Start isEmpty. Operand 5210 states and 7591 transitions. [2021-11-13 02:36:03,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-13 02:36:03,707 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:36:03,708 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:36:03,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-13 02:36:03,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:36:03,931 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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 23 more)] === [2021-11-13 02:36:03,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:36:03,931 INFO L85 PathProgramCache]: Analyzing trace with hash 337443639, now seen corresponding path program 1 times [2021-11-13 02:36:03,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:36:03,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630425815] [2021-11-13 02:36:03,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:36:03,935 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:36:03,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:36:03,936 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:36:03,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-13 02:36:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:36:07,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 1652 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:36:07,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:36:08,471 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:36:08,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:36:08,912 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:36:08,912 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:36:08,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630425815] [2021-11-13 02:36:08,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1630425815] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:36:08,913 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:36:08,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:36:08,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018036463] [2021-11-13 02:36:08,913 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:36:08,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:36:08,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:36:08,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:36:08,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:36:08,915 INFO L87 Difference]: Start difference. First operand 5210 states and 7591 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-13 02:36:09,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:36:09,389 INFO L93 Difference]: Finished difference Result 5210 states and 7591 transitions. [2021-11-13 02:36:09,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:36:09,389 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 101 [2021-11-13 02:36:09,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:36:09,419 INFO L225 Difference]: With dead ends: 5210 [2021-11-13 02:36:09,419 INFO L226 Difference]: Without dead ends: 5208 [2021-11-13 02:36:09,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:36:09,426 INFO L933 BasicCegarLoop]: 7587 mSDtfsCounter, 7505 mSDsluCounter, 15162 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7506 SdHoareTripleChecker+Valid, 22749 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 36.16ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.01ms IncrementalHoareTripleChecker+Time [2021-11-13 02:36:09,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7506 Valid, 22749 Invalid, 2 Unknown, 0 Unchecked, 36.16ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.01ms Time] [2021-11-13 02:36:09,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5208 states. [2021-11-13 02:36:10,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5208 to 5208. [2021-11-13 02:36:10,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5208 states, 3319 states have (on average 1.2292859294968363) internal successors, (4080), 3626 states have internal predecessors, (4080), 1755 states have call successors, (1755), 118 states have call predecessors, (1755), 117 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:36:10,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5208 states to 5208 states and 7589 transitions. [2021-11-13 02:36:10,247 INFO L78 Accepts]: Start accepts. Automaton has 5208 states and 7589 transitions. Word has length 101 [2021-11-13 02:36:10,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:36:10,248 INFO L470 AbstractCegarLoop]: Abstraction has 5208 states and 7589 transitions. [2021-11-13 02:36:10,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-13 02:36:10,249 INFO L276 IsEmpty]: Start isEmpty. Operand 5208 states and 7589 transitions. [2021-11-13 02:36:10,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-13 02:36:10,251 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:36:10,251 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:36:10,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-13 02:36:10,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:36:10,467 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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 23 more)] === [2021-11-13 02:36:10,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:36:10,467 INFO L85 PathProgramCache]: Analyzing trace with hash -2134043494, now seen corresponding path program 1 times [2021-11-13 02:36:10,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:36:10,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065021407] [2021-11-13 02:36:10,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:36:10,471 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:36:10,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:36:10,473 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:36:10,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-13 02:36:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:36:14,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 1655 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:36:14,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:36:15,062 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:36:15,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:36:15,476 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:36:15,476 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:36:15,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065021407] [2021-11-13 02:36:15,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065021407] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:36:15,477 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:36:15,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:36:15,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110355346] [2021-11-13 02:36:15,477 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:36:15,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:36:15,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:36:15,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:36:15,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:36:15,478 INFO L87 Difference]: Start difference. First operand 5208 states and 7589 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-13 02:36:15,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:36:15,982 INFO L93 Difference]: Finished difference Result 5208 states and 7589 transitions. [2021-11-13 02:36:15,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:36:15,983 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 103 [2021-11-13 02:36:15,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:36:16,010 INFO L225 Difference]: With dead ends: 5208 [2021-11-13 02:36:16,011 INFO L226 Difference]: Without dead ends: 5206 [2021-11-13 02:36:16,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:36:16,016 INFO L933 BasicCegarLoop]: 7585 mSDtfsCounter, 7500 mSDsluCounter, 7583 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7501 SdHoareTripleChecker+Valid, 15168 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.30ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.04ms IncrementalHoareTripleChecker+Time [2021-11-13 02:36:16,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7501 Valid, 15168 Invalid, 2 Unknown, 0 Unchecked, 26.30ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.04ms Time] [2021-11-13 02:36:16,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5206 states. [2021-11-13 02:36:16,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5206 to 5206. [2021-11-13 02:36:16,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5206 states, 3318 states have (on average 1.2290536467751658) internal successors, (4078), 3624 states have internal predecessors, (4078), 1755 states have call successors, (1755), 118 states have call predecessors, (1755), 117 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:36:16,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5206 states to 5206 states and 7587 transitions. [2021-11-13 02:36:16,751 INFO L78 Accepts]: Start accepts. Automaton has 5206 states and 7587 transitions. Word has length 103 [2021-11-13 02:36:16,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:36:16,752 INFO L470 AbstractCegarLoop]: Abstraction has 5206 states and 7587 transitions. [2021-11-13 02:36:16,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-13 02:36:16,752 INFO L276 IsEmpty]: Start isEmpty. Operand 5206 states and 7587 transitions. [2021-11-13 02:36:16,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-13 02:36:16,754 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:36:16,754 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:36:16,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-13 02:36:16,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:36:16,976 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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 23 more)] === [2021-11-13 02:36:16,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:36:16,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1711423870, now seen corresponding path program 1 times [2021-11-13 02:36:16,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:36:16,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888451145] [2021-11-13 02:36:16,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:36:16,981 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:36:16,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:36:16,983 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:36:17,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-13 02:36:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:36:20,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 1664 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:36:20,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:36:21,464 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:36:21,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:36:21,903 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:36:21,903 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:36:21,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888451145] [2021-11-13 02:36:21,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888451145] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:36:21,905 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:36:21,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:36:21,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560153771] [2021-11-13 02:36:21,906 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:36:21,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:36:21,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:36:21,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:36:21,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:36:21,908 INFO L87 Difference]: Start difference. First operand 5206 states and 7587 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-13 02:36:22,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:36:22,393 INFO L93 Difference]: Finished difference Result 5206 states and 7587 transitions. [2021-11-13 02:36:22,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:36:22,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 109 [2021-11-13 02:36:22,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:36:22,424 INFO L225 Difference]: With dead ends: 5206 [2021-11-13 02:36:22,425 INFO L226 Difference]: Without dead ends: 5204 [2021-11-13 02:36:22,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:36:22,431 INFO L933 BasicCegarLoop]: 7583 mSDtfsCounter, 7492 mSDsluCounter, 7581 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7493 SdHoareTripleChecker+Valid, 15164 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.96ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.63ms IncrementalHoareTripleChecker+Time [2021-11-13 02:36:22,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7493 Valid, 15164 Invalid, 2 Unknown, 0 Unchecked, 25.96ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.63ms Time] [2021-11-13 02:36:22,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5204 states. [2021-11-13 02:36:23,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5204 to 5204. [2021-11-13 02:36:23,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5204 states, 3317 states have (on average 1.2288212239975882) internal successors, (4076), 3622 states have internal predecessors, (4076), 1755 states have call successors, (1755), 118 states have call predecessors, (1755), 117 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:36:23,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5204 states to 5204 states and 7585 transitions. [2021-11-13 02:36:23,431 INFO L78 Accepts]: Start accepts. Automaton has 5204 states and 7585 transitions. Word has length 109 [2021-11-13 02:36:23,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:36:23,432 INFO L470 AbstractCegarLoop]: Abstraction has 5204 states and 7585 transitions. [2021-11-13 02:36:23,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-13 02:36:23,433 INFO L276 IsEmpty]: Start isEmpty. Operand 5204 states and 7585 transitions. [2021-11-13 02:36:23,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-13 02:36:23,435 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:36:23,435 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:36:23,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-13 02:36:23,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:36:23,649 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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 23 more)] === [2021-11-13 02:36:23,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:36:23,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1454598020, now seen corresponding path program 1 times [2021-11-13 02:36:23,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:36:23,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [121727682] [2021-11-13 02:36:23,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:36:23,652 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:36:23,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:36:23,653 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:36:23,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-13 02:36:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:36:27,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 1673 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:36:27,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:36:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:36:28,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:36:28,449 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:36:28,449 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:36:28,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [121727682] [2021-11-13 02:36:28,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [121727682] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:36:28,450 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:36:28,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:36:28,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147027961] [2021-11-13 02:36:28,450 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:36:28,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:36:28,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:36:28,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:36:28,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:36:28,452 INFO L87 Difference]: Start difference. First operand 5204 states and 7585 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-13 02:36:29,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:36:29,020 INFO L93 Difference]: Finished difference Result 5204 states and 7585 transitions. [2021-11-13 02:36:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:36:29,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 115 [2021-11-13 02:36:29,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:36:29,045 INFO L225 Difference]: With dead ends: 5204 [2021-11-13 02:36:29,045 INFO L226 Difference]: Without dead ends: 5202 [2021-11-13 02:36:29,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:36:29,049 INFO L933 BasicCegarLoop]: 7581 mSDtfsCounter, 7481 mSDsluCounter, 15158 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7482 SdHoareTripleChecker+Valid, 22739 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.30ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.97ms IncrementalHoareTripleChecker+Time [2021-11-13 02:36:29,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7482 Valid, 22739 Invalid, 2 Unknown, 0 Unchecked, 35.30ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.97ms Time] [2021-11-13 02:36:29,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5202 states. [2021-11-13 02:36:29,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5202 to 5202. [2021-11-13 02:36:29,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5202 states, 3316 states have (on average 1.2285886610373944) internal successors, (4074), 3620 states have internal predecessors, (4074), 1755 states have call successors, (1755), 118 states have call predecessors, (1755), 117 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:36:29,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5202 states to 5202 states and 7583 transitions. [2021-11-13 02:36:29,863 INFO L78 Accepts]: Start accepts. Automaton has 5202 states and 7583 transitions. Word has length 115 [2021-11-13 02:36:29,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:36:29,864 INFO L470 AbstractCegarLoop]: Abstraction has 5202 states and 7583 transitions. [2021-11-13 02:36:29,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-13 02:36:29,864 INFO L276 IsEmpty]: Start isEmpty. Operand 5202 states and 7583 transitions. [2021-11-13 02:36:29,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 02:36:29,866 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:36:29,867 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:36:29,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-11-13 02:36:30,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:36:30,083 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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 23 more)] === [2021-11-13 02:36:30,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:36:30,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1324999114, now seen corresponding path program 1 times [2021-11-13 02:36:30,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:36:30,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575786516] [2021-11-13 02:36:30,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:36:30,087 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:36:30,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:36:30,088 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:36:30,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-13 02:36:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:36:33,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 1682 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:36:33,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:36:34,536 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:36:34,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:36:34,987 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:36:34,987 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:36:34,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575786516] [2021-11-13 02:36:34,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [575786516] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:36:34,988 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:36:34,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:36:34,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025076419] [2021-11-13 02:36:34,988 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:36:34,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:36:34,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:36:34,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:36:34,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:36:34,990 INFO L87 Difference]: Start difference. First operand 5202 states and 7583 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 02:36:35,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:36:35,499 INFO L93 Difference]: Finished difference Result 5202 states and 7583 transitions. [2021-11-13 02:36:35,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:36:35,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 121 [2021-11-13 02:36:35,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:36:35,525 INFO L225 Difference]: With dead ends: 5202 [2021-11-13 02:36:35,525 INFO L226 Difference]: Without dead ends: 5200 [2021-11-13 02:36:35,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:36:35,532 INFO L933 BasicCegarLoop]: 7579 mSDtfsCounter, 7476 mSDsluCounter, 7577 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7477 SdHoareTripleChecker+Valid, 15156 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.91ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.94ms IncrementalHoareTripleChecker+Time [2021-11-13 02:36:35,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7477 Valid, 15156 Invalid, 2 Unknown, 0 Unchecked, 25.91ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.94ms Time] [2021-11-13 02:36:35,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5200 states. [2021-11-13 02:36:36,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5200 to 5200. [2021-11-13 02:36:36,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5200 states, 3315 states have (on average 1.2283559577677226) internal successors, (4072), 3618 states have internal predecessors, (4072), 1755 states have call successors, (1755), 118 states have call predecessors, (1755), 117 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:36:36,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5200 states to 5200 states and 7581 transitions. [2021-11-13 02:36:36,427 INFO L78 Accepts]: Start accepts. Automaton has 5200 states and 7581 transitions. Word has length 121 [2021-11-13 02:36:36,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:36:36,428 INFO L470 AbstractCegarLoop]: Abstraction has 5200 states and 7581 transitions. [2021-11-13 02:36:36,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 02:36:36,429 INFO L276 IsEmpty]: Start isEmpty. Operand 5200 states and 7581 transitions. [2021-11-13 02:36:36,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-13 02:36:36,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:36:36,431 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:36:36,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-13 02:36:36,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:36:36,655 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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 23 more)] === [2021-11-13 02:36:36,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:36:36,656 INFO L85 PathProgramCache]: Analyzing trace with hash -998563845, now seen corresponding path program 1 times [2021-11-13 02:36:36,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:36:36,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200102798] [2021-11-13 02:36:36,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:36:36,659 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:36:36,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:36:36,659 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:36:36,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-13 02:36:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:36:40,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 1691 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:36:40,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:36:41,178 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:36:41,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:36:41,650 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:36:41,650 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:36:41,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200102798] [2021-11-13 02:36:41,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [200102798] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:36:41,651 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:36:41,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:36:41,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429693779] [2021-11-13 02:36:41,652 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:36:41,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:36:41,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:36:41,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:36:41,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:36:41,654 INFO L87 Difference]: Start difference. First operand 5200 states and 7581 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-13 02:36:42,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:36:42,239 INFO L93 Difference]: Finished difference Result 5200 states and 7581 transitions. [2021-11-13 02:36:42,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:36:42,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 127 [2021-11-13 02:36:42,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:36:42,260 INFO L225 Difference]: With dead ends: 5200 [2021-11-13 02:36:42,261 INFO L226 Difference]: Without dead ends: 5198 [2021-11-13 02:36:42,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:36:42,265 INFO L933 BasicCegarLoop]: 7577 mSDtfsCounter, 7468 mSDsluCounter, 7575 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7469 SdHoareTripleChecker+Valid, 15152 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.13ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.23ms IncrementalHoareTripleChecker+Time [2021-11-13 02:36:42,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7469 Valid, 15152 Invalid, 2 Unknown, 0 Unchecked, 26.13ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.23ms Time] [2021-11-13 02:36:42,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5198 states. [2021-11-13 02:36:43,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5198 to 5198. [2021-11-13 02:36:43,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5198 states, 3314 states have (on average 1.228123114061557) internal successors, (4070), 3616 states have internal predecessors, (4070), 1755 states have call successors, (1755), 118 states have call predecessors, (1755), 117 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:36:43,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5198 states to 5198 states and 7579 transitions. [2021-11-13 02:36:43,153 INFO L78 Accepts]: Start accepts. Automaton has 5198 states and 7579 transitions. Word has length 127 [2021-11-13 02:36:43,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:36:43,153 INFO L470 AbstractCegarLoop]: Abstraction has 5198 states and 7579 transitions. [2021-11-13 02:36:43,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-13 02:36:43,153 INFO L276 IsEmpty]: Start isEmpty. Operand 5198 states and 7579 transitions. [2021-11-13 02:36:43,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-13 02:36:43,156 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:36:43,156 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:36:43,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-11-13 02:36:43,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:36:43,379 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:36:43,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:36:43,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1571960519, now seen corresponding path program 1 times [2021-11-13 02:36:43,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:36:43,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1361367854] [2021-11-13 02:36:43,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:36:43,383 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:36:43,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:36:43,384 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:36:43,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-13 02:36:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:36:47,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 1700 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:36:47,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:36:48,024 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:36:48,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:36:48,624 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:36:48,624 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:36:48,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1361367854] [2021-11-13 02:36:48,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1361367854] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:36:48,624 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:36:48,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:36:48,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740659988] [2021-11-13 02:36:48,625 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:36:48,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:36:48,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:36:48,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:36:48,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:36:48,627 INFO L87 Difference]: Start difference. First operand 5198 states and 7579 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-13 02:36:49,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:36:49,290 INFO L93 Difference]: Finished difference Result 5198 states and 7579 transitions. [2021-11-13 02:36:49,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:36:49,291 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 133 [2021-11-13 02:36:49,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:36:49,308 INFO L225 Difference]: With dead ends: 5198 [2021-11-13 02:36:49,309 INFO L226 Difference]: Without dead ends: 5196 [2021-11-13 02:36:49,312 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:36:49,314 INFO L933 BasicCegarLoop]: 7575 mSDtfsCounter, 7457 mSDsluCounter, 15146 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7458 SdHoareTripleChecker+Valid, 22721 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 39.18ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.84ms IncrementalHoareTripleChecker+Time [2021-11-13 02:36:49,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7458 Valid, 22721 Invalid, 2 Unknown, 0 Unchecked, 39.18ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.84ms Time] [2021-11-13 02:36:49,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5196 states. [2021-11-13 02:36:50,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5196 to 5196. [2021-11-13 02:36:50,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5196 states, 3313 states have (on average 1.2278901297917295) internal successors, (4068), 3614 states have internal predecessors, (4068), 1755 states have call successors, (1755), 118 states have call predecessors, (1755), 117 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:36:50,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5196 states to 5196 states and 7577 transitions. [2021-11-13 02:36:50,249 INFO L78 Accepts]: Start accepts. Automaton has 5196 states and 7577 transitions. Word has length 133 [2021-11-13 02:36:50,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:36:50,249 INFO L470 AbstractCegarLoop]: Abstraction has 5196 states and 7577 transitions. [2021-11-13 02:36:50,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-13 02:36:50,250 INFO L276 IsEmpty]: Start isEmpty. Operand 5196 states and 7577 transitions. [2021-11-13 02:36:50,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-13 02:36:50,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:36:50,253 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:36:50,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-13 02:36:50,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:36:50,454 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_lib_idr_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 23 more)] === [2021-11-13 02:36:50,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:36:50,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1502323229, now seen corresponding path program 1 times [2021-11-13 02:36:50,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:36:50,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1220199095] [2021-11-13 02:36:50,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:36:50,457 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:36:50,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:36:50,458 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:36:50,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-13 02:36:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:36:54,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 1709 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:36:54,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:36:55,012 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:36:55,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:36:55,903 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:36:55,903 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:36:55,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1220199095] [2021-11-13 02:36:55,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1220199095] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:36:55,904 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:36:55,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-13 02:36:55,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638136297] [2021-11-13 02:36:55,904 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:36:55,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:36:55,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:36:55,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:36:55,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:36:55,906 INFO L87 Difference]: Start difference. First operand 5196 states and 7577 transitions. Second operand has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-11-13 02:36:56,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:36:56,566 INFO L93 Difference]: Finished difference Result 5196 states and 7577 transitions. [2021-11-13 02:36:56,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:36:56,567 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 139 [2021-11-13 02:36:56,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:36:56,583 INFO L225 Difference]: With dead ends: 5196 [2021-11-13 02:36:56,583 INFO L226 Difference]: Without dead ends: 5194 [2021-11-13 02:36:56,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:36:56,587 INFO L933 BasicCegarLoop]: 7573 mSDtfsCounter, 7515 mSDsluCounter, 15142 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7516 SdHoareTripleChecker+Valid, 22715 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.07ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.35ms IncrementalHoareTripleChecker+Time [2021-11-13 02:36:56,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7516 Valid, 22715 Invalid, 24 Unknown, 0 Unchecked, 35.07ms Time], IncrementalHoareTripleChecker [22 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 37.35ms Time] [2021-11-13 02:36:56,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5194 states. [2021-11-13 02:36:57,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5194 to 5194. [2021-11-13 02:36:57,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5194 states, 3312 states have (on average 1.2276570048309179) internal successors, (4066), 3612 states have internal predecessors, (4066), 1755 states have call successors, (1755), 118 states have call predecessors, (1755), 117 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:36:57,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5194 states to 5194 states and 7575 transitions. [2021-11-13 02:36:57,363 INFO L78 Accepts]: Start accepts. Automaton has 5194 states and 7575 transitions. Word has length 139 [2021-11-13 02:36:57,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:36:57,363 INFO L470 AbstractCegarLoop]: Abstraction has 5194 states and 7575 transitions. [2021-11-13 02:36:57,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-11-13 02:36:57,364 INFO L276 IsEmpty]: Start isEmpty. Operand 5194 states and 7575 transitions. [2021-11-13 02:36:57,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-13 02:36:57,365 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:36:57,365 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:36:57,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2021-11-13 02:36:57,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:36:57,575 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_mmc_sdio_func_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 23 more)] === [2021-11-13 02:36:57,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:36:57,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1928127817, now seen corresponding path program 1 times [2021-11-13 02:36:57,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:36:57,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [255734485] [2021-11-13 02:36:57,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:36:57,578 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:36:57,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:36:57,579 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:36:57,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-13 02:37:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:37:01,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 1718 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:37:01,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:37:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:37:02,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:37:02,630 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:37:02,630 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:37:02,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [255734485] [2021-11-13 02:37:02,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [255734485] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:37:02,630 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:37:02,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:37:02,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183320955] [2021-11-13 02:37:02,631 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:37:02,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:37:02,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:37:02,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:37:02,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:37:02,632 INFO L87 Difference]: Start difference. First operand 5194 states and 7575 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-13 02:37:03,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:37:03,277 INFO L93 Difference]: Finished difference Result 5194 states and 7575 transitions. [2021-11-13 02:37:03,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:37:03,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 145 [2021-11-13 02:37:03,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:37:03,293 INFO L225 Difference]: With dead ends: 5194 [2021-11-13 02:37:03,293 INFO L226 Difference]: Without dead ends: 5192 [2021-11-13 02:37:03,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 284 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:37:03,297 INFO L933 BasicCegarLoop]: 7571 mSDtfsCounter, 7441 mSDsluCounter, 15138 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7442 SdHoareTripleChecker+Valid, 22709 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.52ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.81ms IncrementalHoareTripleChecker+Time [2021-11-13 02:37:03,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7442 Valid, 22709 Invalid, 2 Unknown, 0 Unchecked, 34.52ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.81ms Time] [2021-11-13 02:37:03,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5192 states. [2021-11-13 02:37:04,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5192 to 5192. [2021-11-13 02:37:04,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5192 states, 3311 states have (on average 1.227423739051646) internal successors, (4064), 3610 states have internal predecessors, (4064), 1755 states have call successors, (1755), 118 states have call predecessors, (1755), 117 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:37:04,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5192 states to 5192 states and 7573 transitions. [2021-11-13 02:37:04,075 INFO L78 Accepts]: Start accepts. Automaton has 5192 states and 7573 transitions. Word has length 145 [2021-11-13 02:37:04,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:37:04,075 INFO L470 AbstractCegarLoop]: Abstraction has 5192 states and 7573 transitions. [2021-11-13 02:37:04,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-13 02:37:04,076 INFO L276 IsEmpty]: Start isEmpty. Operand 5192 states and 7573 transitions. [2021-11-13 02:37:04,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-13 02:37:04,078 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:04,078 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:37:04,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-13 02:37:04,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:37:04,280 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_net_rtnetlink_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 23 more)] === [2021-11-13 02:37:04,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:04,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1044538593, now seen corresponding path program 1 times [2021-11-13 02:37:04,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:37:04,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1753194887] [2021-11-13 02:37:04,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:04,283 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:37:04,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:37:04,284 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:37:04,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-13 02:37:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:37:07,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 1727 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:37:07,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:37:08,848 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:37:08,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:37:09,385 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:37:09,385 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:37:09,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1753194887] [2021-11-13 02:37:09,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1753194887] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:37:09,385 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:37:09,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:37:09,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684954059] [2021-11-13 02:37:09,386 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:37:09,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:37:09,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:37:09,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:37:09,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:37:09,388 INFO L87 Difference]: Start difference. First operand 5192 states and 7573 transitions. Second operand has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-13 02:37:10,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:37:10,052 INFO L93 Difference]: Finished difference Result 5192 states and 7573 transitions. [2021-11-13 02:37:10,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:37:10,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 151 [2021-11-13 02:37:10,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:37:10,065 INFO L225 Difference]: With dead ends: 5192 [2021-11-13 02:37:10,066 INFO L226 Difference]: Without dead ends: 5190 [2021-11-13 02:37:10,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:37:10,068 INFO L933 BasicCegarLoop]: 7569 mSDtfsCounter, 7436 mSDsluCounter, 7567 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7437 SdHoareTripleChecker+Valid, 15136 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.89ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.03ms IncrementalHoareTripleChecker+Time [2021-11-13 02:37:10,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7437 Valid, 15136 Invalid, 2 Unknown, 0 Unchecked, 26.89ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.03ms Time] [2021-11-13 02:37:10,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5190 states. [2021-11-13 02:37:10,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5190 to 5190. [2021-11-13 02:37:10,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5190 states, 3310 states have (on average 1.227190332326284) internal successors, (4062), 3608 states have internal predecessors, (4062), 1755 states have call successors, (1755), 118 states have call predecessors, (1755), 117 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:37:10,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5190 states to 5190 states and 7571 transitions. [2021-11-13 02:37:10,785 INFO L78 Accepts]: Start accepts. Automaton has 5190 states and 7571 transitions. Word has length 151 [2021-11-13 02:37:10,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:37:10,786 INFO L470 AbstractCegarLoop]: Abstraction has 5190 states and 7571 transitions. [2021-11-13 02:37:10,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-13 02:37:10,787 INFO L276 IsEmpty]: Start isEmpty. Operand 5190 states and 7571 transitions. [2021-11-13 02:37:10,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-13 02:37:10,789 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:10,789 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:37:10,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-13 02:37:10,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:37:10,990 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:37:10,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:10,993 INFO L85 PathProgramCache]: Analyzing trace with hash 675621308, now seen corresponding path program 1 times [2021-11-13 02:37:10,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:37:10,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889422199] [2021-11-13 02:37:10,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:10,996 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:37:10,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:37:10,997 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:37:11,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-13 02:37:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:37:14,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 1977 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 02:37:14,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:37:16,474 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2021-11-13 02:37:16,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:37:17,415 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2021-11-13 02:37:17,416 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:37:17,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889422199] [2021-11-13 02:37:17,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [889422199] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:37:17,417 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:37:17,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-13 02:37:17,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573827515] [2021-11-13 02:37:17,417 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:37:17,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 02:37:17,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:37:17,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 02:37:17,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:37:17,419 INFO L87 Difference]: Start difference. First operand 5190 states and 7571 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (45), 4 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-13 02:37:18,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:37:18,436 INFO L93 Difference]: Finished difference Result 5194 states and 7574 transitions. [2021-11-13 02:37:18,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 02:37:18,437 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (45), 4 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 209 [2021-11-13 02:37:18,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:37:18,449 INFO L225 Difference]: With dead ends: 5194 [2021-11-13 02:37:18,449 INFO L226 Difference]: Without dead ends: 5192 [2021-11-13 02:37:18,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-13 02:37:18,452 INFO L933 BasicCegarLoop]: 7566 mSDtfsCounter, 7458 mSDsluCounter, 30277 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7459 SdHoareTripleChecker+Valid, 37843 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 95.49ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.20ms IncrementalHoareTripleChecker+Time [2021-11-13 02:37:18,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7459 Valid, 37843 Invalid, 9 Unknown, 0 Unchecked, 95.49ms Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 36.20ms Time] [2021-11-13 02:37:18,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5192 states. [2021-11-13 02:37:19,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5192 to 5192. [2021-11-13 02:37:19,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5192 states, 3312 states have (on average 1.2267512077294687) internal successors, (4063), 3609 states have internal predecessors, (4063), 1755 states have call successors, (1755), 119 states have call predecessors, (1755), 118 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:37:19,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5192 states to 5192 states and 7572 transitions. [2021-11-13 02:37:19,256 INFO L78 Accepts]: Start accepts. Automaton has 5192 states and 7572 transitions. Word has length 209 [2021-11-13 02:37:19,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:37:19,257 INFO L470 AbstractCegarLoop]: Abstraction has 5192 states and 7572 transitions. [2021-11-13 02:37:19,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (45), 4 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-13 02:37:19,258 INFO L276 IsEmpty]: Start isEmpty. Operand 5192 states and 7572 transitions. [2021-11-13 02:37:19,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-13 02:37:19,260 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:19,260 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:37:19,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-13 02:37:19,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:37:19,463 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_sock_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 23 more)] === [2021-11-13 02:37:19,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:19,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1464460737, now seen corresponding path program 1 times [2021-11-13 02:37:19,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:37:19,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [622493726] [2021-11-13 02:37:19,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:19,468 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:37:19,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:37:19,469 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:37:19,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-13 02:37:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:37:22,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 1736 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:37:22,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:37:24,006 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:37:24,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:37:24,557 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:37:24,557 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:37:24,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [622493726] [2021-11-13 02:37:24,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [622493726] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:37:24,557 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:37:24,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:37:24,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66777179] [2021-11-13 02:37:24,558 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:37:24,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:37:24,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:37:24,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:37:24,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:37:24,559 INFO L87 Difference]: Start difference. First operand 5192 states and 7572 transitions. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-13 02:37:25,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:37:25,241 INFO L93 Difference]: Finished difference Result 5192 states and 7572 transitions. [2021-11-13 02:37:25,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:37:25,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 157 [2021-11-13 02:37:25,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:37:25,315 INFO L225 Difference]: With dead ends: 5192 [2021-11-13 02:37:25,315 INFO L226 Difference]: Without dead ends: 5190 [2021-11-13 02:37:25,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:37:25,318 INFO L933 BasicCegarLoop]: 7565 mSDtfsCounter, 7426 mSDsluCounter, 7563 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7427 SdHoareTripleChecker+Valid, 15128 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.51ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.34ms IncrementalHoareTripleChecker+Time [2021-11-13 02:37:25,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7427 Valid, 15128 Invalid, 2 Unknown, 0 Unchecked, 29.51ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.34ms Time] [2021-11-13 02:37:25,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5190 states. [2021-11-13 02:37:26,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5190 to 5190. [2021-11-13 02:37:26,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5190 states, 3311 states have (on average 1.2265176683781336) internal successors, (4061), 3607 states have internal predecessors, (4061), 1755 states have call successors, (1755), 119 states have call predecessors, (1755), 118 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:37:26,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5190 states to 5190 states and 7570 transitions. [2021-11-13 02:37:26,189 INFO L78 Accepts]: Start accepts. Automaton has 5190 states and 7570 transitions. Word has length 157 [2021-11-13 02:37:26,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:37:26,190 INFO L470 AbstractCegarLoop]: Abstraction has 5190 states and 7570 transitions. [2021-11-13 02:37:26,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-13 02:37:26,190 INFO L276 IsEmpty]: Start isEmpty. Operand 5190 states and 7570 transitions. [2021-11-13 02:37:26,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-13 02:37:26,192 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:26,192 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:37:26,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-13 02:37:26,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:37:26,393 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_usb_coherent_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 23 more)] === [2021-11-13 02:37:26,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:26,394 INFO L85 PathProgramCache]: Analyzing trace with hash 985429683, now seen corresponding path program 1 times [2021-11-13 02:37:26,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:37:26,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123905225] [2021-11-13 02:37:26,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:26,396 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:37:26,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:37:26,398 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:37:26,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-13 02:37:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:37:30,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:37:30,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:37:31,211 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:37:31,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:37:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:37:31,795 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:37:31,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123905225] [2021-11-13 02:37:31,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1123905225] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:37:31,796 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:37:31,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:37:31,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123315122] [2021-11-13 02:37:31,796 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:37:31,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:37:31,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:37:31,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:37:31,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:37:31,798 INFO L87 Difference]: Start difference. First operand 5190 states and 7570 transitions. Second operand has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-13 02:37:32,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:37:32,574 INFO L93 Difference]: Finished difference Result 5190 states and 7570 transitions. [2021-11-13 02:37:32,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:37:32,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 163 [2021-11-13 02:37:32,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:37:32,588 INFO L225 Difference]: With dead ends: 5190 [2021-11-13 02:37:32,588 INFO L226 Difference]: Without dead ends: 5188 [2021-11-13 02:37:32,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:37:32,591 INFO L933 BasicCegarLoop]: 7563 mSDtfsCounter, 7415 mSDsluCounter, 15122 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7416 SdHoareTripleChecker+Valid, 22685 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 39.92ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.14ms IncrementalHoareTripleChecker+Time [2021-11-13 02:37:32,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7416 Valid, 22685 Invalid, 2 Unknown, 0 Unchecked, 39.92ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.14ms Time] [2021-11-13 02:37:32,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5188 states. [2021-11-13 02:37:33,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5188 to 5188. [2021-11-13 02:37:33,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5188 states, 3310 states have (on average 1.226283987915408) internal successors, (4059), 3605 states have internal predecessors, (4059), 1755 states have call successors, (1755), 119 states have call predecessors, (1755), 118 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:37:33,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 5188 states and 7568 transitions. [2021-11-13 02:37:33,345 INFO L78 Accepts]: Start accepts. Automaton has 5188 states and 7568 transitions. Word has length 163 [2021-11-13 02:37:33,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:37:33,346 INFO L470 AbstractCegarLoop]: Abstraction has 5188 states and 7568 transitions. [2021-11-13 02:37:33,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-13 02:37:33,346 INFO L276 IsEmpty]: Start isEmpty. Operand 5188 states and 7568 transitions. [2021-11-13 02:37:33,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-13 02:37:33,348 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:33,348 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:37:33,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-13 02:37:33,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:37:33,549 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_usb_gadget_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 23 more)] === [2021-11-13 02:37:33,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:33,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1634516848, now seen corresponding path program 1 times [2021-11-13 02:37:33,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:37:33,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [818869407] [2021-11-13 02:37:33,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:33,552 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:37:33,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:37:33,553 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:37:33,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-13 02:37:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:37:37,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 1754 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:37:37,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:37:38,352 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:37:38,352 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:37:38,929 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:37:38,929 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:37:38,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [818869407] [2021-11-13 02:37:38,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [818869407] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:37:38,930 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:37:38,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:37:38,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930222209] [2021-11-13 02:37:38,931 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:37:38,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:37:38,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:37:38,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:37:38,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:37:38,933 INFO L87 Difference]: Start difference. First operand 5188 states and 7568 transitions. Second operand has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-13 02:37:39,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:37:39,678 INFO L93 Difference]: Finished difference Result 5188 states and 7568 transitions. [2021-11-13 02:37:39,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:37:39,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 169 [2021-11-13 02:37:39,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:37:39,708 INFO L225 Difference]: With dead ends: 5188 [2021-11-13 02:37:39,708 INFO L226 Difference]: Without dead ends: 5186 [2021-11-13 02:37:39,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:37:39,714 INFO L933 BasicCegarLoop]: 7561 mSDtfsCounter, 7410 mSDsluCounter, 7559 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7411 SdHoareTripleChecker+Valid, 15120 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.27ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.81ms IncrementalHoareTripleChecker+Time [2021-11-13 02:37:39,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7411 Valid, 15120 Invalid, 2 Unknown, 0 Unchecked, 29.27ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.81ms Time] [2021-11-13 02:37:39,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5186 states. [2021-11-13 02:37:40,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5186 to 5186. [2021-11-13 02:37:40,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5186 states, 3309 states have (on average 1.2260501662133576) internal successors, (4057), 3603 states have internal predecessors, (4057), 1755 states have call successors, (1755), 119 states have call predecessors, (1755), 118 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:37:40,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5186 states to 5186 states and 7566 transitions. [2021-11-13 02:37:40,662 INFO L78 Accepts]: Start accepts. Automaton has 5186 states and 7566 transitions. Word has length 169 [2021-11-13 02:37:40,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:37:40,663 INFO L470 AbstractCegarLoop]: Abstraction has 5186 states and 7566 transitions. [2021-11-13 02:37:40,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-13 02:37:40,664 INFO L276 IsEmpty]: Start isEmpty. Operand 5186 states and 7566 transitions. [2021-11-13 02:37:40,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-13 02:37:40,666 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:40,666 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:37:40,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-13 02:37:40,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:37:40,870 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:37:40,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:40,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1252965418, now seen corresponding path program 1 times [2021-11-13 02:37:40,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:37:40,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801293791] [2021-11-13 02:37:40,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:40,874 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:37:40,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:37:40,875 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:37:40,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-13 02:37:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:37:44,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 2014 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:37:44,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:37:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2021-11-13 02:37:45,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:37:45,972 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2021-11-13 02:37:45,972 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:37:45,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [801293791] [2021-11-13 02:37:45,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [801293791] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:37:45,973 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:37:45,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-13 02:37:45,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808441406] [2021-11-13 02:37:45,974 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:37:45,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 02:37:45,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:37:45,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 02:37:45,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:37:45,976 INFO L87 Difference]: Start difference. First operand 5186 states and 7566 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-13 02:37:48,213 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:37:49,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:37:49,332 INFO L93 Difference]: Finished difference Result 5186 states and 7566 transitions. [2021-11-13 02:37:49,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 02:37:49,333 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 226 [2021-11-13 02:37:49,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:37:49,349 INFO L225 Difference]: With dead ends: 5186 [2021-11-13 02:37:49,349 INFO L226 Difference]: Without dead ends: 5184 [2021-11-13 02:37:49,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 445 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-13 02:37:49,353 INFO L933 BasicCegarLoop]: 7561 mSDtfsCounter, 15 mSDsluCounter, 37782 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2268.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 45343 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 64.60ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2271.96ms IncrementalHoareTripleChecker+Time [2021-11-13 02:37:49,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 45343 Invalid, 9 Unknown, 0 Unchecked, 64.60ms Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 2271.96ms Time] [2021-11-13 02:37:49,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5184 states. [2021-11-13 02:37:50,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5184 to 5184. [2021-11-13 02:37:50,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5184 states, 3308 states have (on average 1.2258162031438935) internal successors, (4055), 3601 states have internal predecessors, (4055), 1755 states have call successors, (1755), 119 states have call predecessors, (1755), 118 states have return successors, (1754), 1490 states have call predecessors, (1754), 1754 states have call successors, (1754) [2021-11-13 02:37:50,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5184 states to 5184 states and 7564 transitions. [2021-11-13 02:37:50,224 INFO L78 Accepts]: Start accepts. Automaton has 5184 states and 7564 transitions. Word has length 226 [2021-11-13 02:37:50,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:37:50,226 INFO L470 AbstractCegarLoop]: Abstraction has 5184 states and 7564 transitions. [2021-11-13 02:37:50,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-13 02:37:50,226 INFO L276 IsEmpty]: Start isEmpty. Operand 5184 states and 7564 transitions. [2021-11-13 02:37:50,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-13 02:37:50,229 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:50,229 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:37:50,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-13 02:37:50,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:37:50,443 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_urb_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 23 more)] === [2021-11-13 02:37:50,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:50,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1615053370, now seen corresponding path program 1 times [2021-11-13 02:37:50,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:37:50,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049992056] [2021-11-13 02:37:50,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:50,446 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:37:50,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:37:50,447 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:37:50,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-13 02:37:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:37:54,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 1763 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:37:54,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:37:55,311 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:37:55,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:37:55,905 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:37:55,905 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:37:55,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049992056] [2021-11-13 02:37:55,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049992056] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:37:55,906 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:37:55,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:37:55,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068425196] [2021-11-13 02:37:55,906 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:37:55,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:37:55,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:37:55,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:37:55,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:37:55,908 INFO L87 Difference]: Start difference. First operand 5184 states and 7564 transitions. Second operand has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-13 02:37:56,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:37:56,732 INFO L93 Difference]: Finished difference Result 5184 states and 7564 transitions. [2021-11-13 02:37:56,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:37:56,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 175 [2021-11-13 02:37:56,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:37:56,750 INFO L225 Difference]: With dead ends: 5184 [2021-11-13 02:37:56,751 INFO L226 Difference]: Without dead ends: 5051 [2021-11-13 02:37:56,756 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:37:56,757 INFO L933 BasicCegarLoop]: 7558 mSDtfsCounter, 7395 mSDsluCounter, 15116 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7395 SdHoareTripleChecker+Valid, 22674 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 39.85ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.10ms IncrementalHoareTripleChecker+Time [2021-11-13 02:37:56,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7395 Valid, 22674 Invalid, 1 Unknown, 0 Unchecked, 39.85ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 3.10ms Time] [2021-11-13 02:37:56,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5051 states. [2021-11-13 02:37:57,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5051 to 5051. [2021-11-13 02:37:57,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5051 states, 3220 states have (on average 1.2313664596273293) internal successors, (3965), 3512 states have internal predecessors, (3965), 1730 states have call successors, (1730), 99 states have call predecessors, (1730), 99 states have return successors, (1730), 1466 states have call predecessors, (1730), 1730 states have call successors, (1730) [2021-11-13 02:37:57,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5051 states to 5051 states and 7425 transitions. [2021-11-13 02:37:57,638 INFO L78 Accepts]: Start accepts. Automaton has 5051 states and 7425 transitions. Word has length 175 [2021-11-13 02:37:57,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:37:57,639 INFO L470 AbstractCegarLoop]: Abstraction has 5051 states and 7425 transitions. [2021-11-13 02:37:57,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-13 02:37:57,639 INFO L276 IsEmpty]: Start isEmpty. Operand 5051 states and 7425 transitions. [2021-11-13 02:37:57,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-13 02:37:57,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:57,645 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:37:57,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-13 02:37:57,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:37:57,859 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:37:57,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:57,859 INFO L85 PathProgramCache]: Analyzing trace with hash 601213480, now seen corresponding path program 1 times [2021-11-13 02:37:57,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:37:57,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908729902] [2021-11-13 02:37:57,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:57,863 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:37:57,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:37:57,864 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:37:57,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-13 02:38:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:01,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 2123 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 02:38:01,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:02,890 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2021-11-13 02:38:02,890 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:04,721 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 49 proven. 9 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2021-11-13 02:38:04,721 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:04,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1908729902] [2021-11-13 02:38:04,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1908729902] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 02:38:04,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 02:38:04,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 13 [2021-11-13 02:38:04,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889524513] [2021-11-13 02:38:04,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:04,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 02:38:04,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:04,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 02:38:04,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-11-13 02:38:04,725 INFO L87 Difference]: Start difference. First operand 5051 states and 7425 transitions. Second operand has 9 states, 7 states have (on average 16.571428571428573) internal successors, (116), 9 states have internal predecessors, (116), 5 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2021-11-13 02:38:09,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:09,757 INFO L93 Difference]: Finished difference Result 13809 states and 20494 transitions. [2021-11-13 02:38:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 02:38:09,758 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 16.571428571428573) internal successors, (116), 9 states have internal predecessors, (116), 5 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) Word has length 301 [2021-11-13 02:38:09,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:09,792 INFO L225 Difference]: With dead ends: 13809 [2021-11-13 02:38:09,792 INFO L226 Difference]: Without dead ends: 8799 [2021-11-13 02:38:09,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2021-11-13 02:38:09,834 INFO L933 BasicCegarLoop]: 8690 mSDtfsCounter, 2952 mSDsluCounter, 59354 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2946.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4326 SdHoareTripleChecker+Valid, 68044 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 122.89ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3176.22ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:09,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4326 Valid, 68044 Invalid, 911 Unknown, 0 Unchecked, 122.89ms Time], IncrementalHoareTripleChecker [0 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 3176.22ms Time] [2021-11-13 02:38:09,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8799 states. [2021-11-13 02:38:11,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8799 to 5055. [2021-11-13 02:38:11,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5055 states, 3223 states have (on average 1.231461371393112) internal successors, (3969), 3515 states have internal predecessors, (3969), 1731 states have call successors, (1731), 99 states have call predecessors, (1731), 99 states have return successors, (1731), 1467 states have call predecessors, (1731), 1731 states have call successors, (1731) [2021-11-13 02:38:11,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5055 states to 5055 states and 7431 transitions. [2021-11-13 02:38:11,397 INFO L78 Accepts]: Start accepts. Automaton has 5055 states and 7431 transitions. Word has length 301 [2021-11-13 02:38:11,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:11,398 INFO L470 AbstractCegarLoop]: Abstraction has 5055 states and 7431 transitions. [2021-11-13 02:38:11,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 16.571428571428573) internal successors, (116), 9 states have internal predecessors, (116), 5 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2021-11-13 02:38:11,398 INFO L276 IsEmpty]: Start isEmpty. Operand 5055 states and 7431 transitions. [2021-11-13 02:38:11,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-13 02:38:11,405 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:11,406 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:11,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-13 02:38:11,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:11,615 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:38:11,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:11,616 INFO L85 PathProgramCache]: Analyzing trace with hash -323203402, now seen corresponding path program 1 times [2021-11-13 02:38:11,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:11,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [587669486] [2021-11-13 02:38:11,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:11,619 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:11,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:11,620 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:11,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-13 02:38:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:15,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 2185 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 02:38:15,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:18,199 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2021-11-13 02:38:18,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:19,551 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2021-11-13 02:38:19,552 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:19,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [587669486] [2021-11-13 02:38:19,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [587669486] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:38:19,553 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:38:19,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 7 [2021-11-13 02:38:19,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537273738] [2021-11-13 02:38:19,554 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:19,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 02:38:19,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:19,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 02:38:19,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:38:19,557 INFO L87 Difference]: Start difference. First operand 5055 states and 7431 transitions. Second operand has 7 states, 7 states have (on average 20.571428571428573) internal successors, (144), 6 states have internal predecessors, (144), 2 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-13 02:38:21,863 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:38:41,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:41,044 INFO L93 Difference]: Finished difference Result 10064 states and 14842 transitions. [2021-11-13 02:38:41,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:38:41,045 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.571428571428573) internal successors, (144), 6 states have internal predecessors, (144), 2 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60) Word has length 316 [2021-11-13 02:38:41,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:41,079 INFO L225 Difference]: With dead ends: 10064 [2021-11-13 02:38:41,080 INFO L226 Difference]: Without dead ends: 5055 [2021-11-13 02:38:41,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 632 GetRequests, 625 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-13 02:38:41,103 INFO L933 BasicCegarLoop]: 7418 mSDtfsCounter, 7268 mSDsluCounter, 18775 mSDsCounter, 0 mSdLazyCounter, 3471 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18247.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7270 SdHoareTripleChecker+Valid, 26193 SdHoareTripleChecker+Invalid, 3473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 103.09ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3471 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20042.07ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:41,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7270 Valid, 26193 Invalid, 3473 Unknown, 0 Unchecked, 103.09ms Time], IncrementalHoareTripleChecker [1 Valid, 3471 Invalid, 1 Unknown, 0 Unchecked, 20042.07ms Time] [2021-11-13 02:38:41,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5055 states. [2021-11-13 02:38:42,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5055 to 5055. [2021-11-13 02:38:42,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5055 states, 3223 states have (on average 1.2311511014582688) internal successors, (3968), 3515 states have internal predecessors, (3968), 1731 states have call successors, (1731), 99 states have call predecessors, (1731), 99 states have return successors, (1731), 1467 states have call predecessors, (1731), 1731 states have call successors, (1731) [2021-11-13 02:38:42,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5055 states to 5055 states and 7430 transitions. [2021-11-13 02:38:42,236 INFO L78 Accepts]: Start accepts. Automaton has 5055 states and 7430 transitions. Word has length 316 [2021-11-13 02:38:42,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:42,237 INFO L470 AbstractCegarLoop]: Abstraction has 5055 states and 7430 transitions. [2021-11-13 02:38:42,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.571428571428573) internal successors, (144), 6 states have internal predecessors, (144), 2 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-13 02:38:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand 5055 states and 7430 transitions. [2021-11-13 02:38:42,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-13 02:38:42,244 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:42,245 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:42,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-13 02:38:42,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:42,461 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:38:42,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:42,461 INFO L85 PathProgramCache]: Analyzing trace with hash -323143820, now seen corresponding path program 1 times [2021-11-13 02:38:42,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:42,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1754122343] [2021-11-13 02:38:42,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:42,464 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:42,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:42,466 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:42,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-13 02:38:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:46,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 2185 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:38:46,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:46,868 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2021-11-13 02:38:46,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:47,467 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2021-11-13 02:38:47,468 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:47,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1754122343] [2021-11-13 02:38:47,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1754122343] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:38:47,468 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:38:47,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-13 02:38:47,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721546279] [2021-11-13 02:38:47,468 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:47,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:38:47,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:47,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:38:47,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:38:47,471 INFO L87 Difference]: Start difference. First operand 5055 states and 7430 transitions. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-11-13 02:38:48,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:48,197 INFO L93 Difference]: Finished difference Result 5055 states and 7430 transitions. [2021-11-13 02:38:48,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:38:48,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 316 [2021-11-13 02:38:48,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:48,226 INFO L225 Difference]: With dead ends: 5055 [2021-11-13 02:38:48,226 INFO L226 Difference]: Without dead ends: 5053 [2021-11-13 02:38:48,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 626 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:38:48,232 INFO L933 BasicCegarLoop]: 7417 mSDtfsCounter, 23 mSDsluCounter, 29624 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 37041 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 36.04ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.63ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:48,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 37041 Invalid, 4 Unknown, 0 Unchecked, 36.04ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 11.63ms Time] [2021-11-13 02:38:48,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5053 states. [2021-11-13 02:38:49,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5053 to 5053. [2021-11-13 02:38:49,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5053 states, 3222 states have (on average 1.2309124767225326) internal successors, (3966), 3513 states have internal predecessors, (3966), 1731 states have call successors, (1731), 99 states have call predecessors, (1731), 99 states have return successors, (1731), 1467 states have call predecessors, (1731), 1731 states have call successors, (1731) [2021-11-13 02:38:49,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5053 states to 5053 states and 7428 transitions. [2021-11-13 02:38:49,278 INFO L78 Accepts]: Start accepts. Automaton has 5053 states and 7428 transitions. Word has length 316 [2021-11-13 02:38:49,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:49,279 INFO L470 AbstractCegarLoop]: Abstraction has 5053 states and 7428 transitions. [2021-11-13 02:38:49,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-11-13 02:38:49,280 INFO L276 IsEmpty]: Start isEmpty. Operand 5053 states and 7428 transitions. [2021-11-13 02:38:49,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-13 02:38:49,287 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:49,287 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:49,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-13 02:38:49,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:49,511 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:38:49,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:49,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1531438714, now seen corresponding path program 1 times [2021-11-13 02:38:49,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:49,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301830334] [2021-11-13 02:38:49,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:49,514 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:49,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:49,515 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:49,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-13 02:38:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:53,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 2192 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:38:53,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:55,671 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2021-11-13 02:38:55,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2021-11-13 02:38:56,884 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:56,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1301830334] [2021-11-13 02:38:56,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1301830334] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:38:56,884 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:38:56,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-13 02:38:56,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188526716] [2021-11-13 02:38:56,885 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:56,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:38:56,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:56,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:38:56,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:38:56,886 INFO L87 Difference]: Start difference. First operand 5053 states and 7428 transitions. Second operand has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 3 states have call successors, (66), 3 states have call predecessors, (66), 2 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2021-11-13 02:39:04,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:04,468 INFO L93 Difference]: Finished difference Result 10056 states and 14832 transitions. [2021-11-13 02:39:04,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:39:04,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 3 states have call successors, (66), 3 states have call predecessors, (66), 2 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 320 [2021-11-13 02:39:04,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:04,471 INFO L225 Difference]: With dead ends: 10056 [2021-11-13 02:39:04,471 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 02:39:04,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 638 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:39:04,501 INFO L933 BasicCegarLoop]: 7413 mSDtfsCounter, 11117 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 3433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5103.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11117 SdHoareTripleChecker+Valid, 7413 SdHoareTripleChecker+Invalid, 3434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 45.68ms SdHoareTripleChecker+Time, 3433 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6317.50ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:04,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11117 Valid, 7413 Invalid, 3434 Unknown, 0 Unchecked, 45.68ms Time], IncrementalHoareTripleChecker [3433 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 6317.50ms Time] [2021-11-13 02:39:04,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 02:39:04,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 02:39:04,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:04,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 02:39:04,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 320 [2021-11-13 02:39:04,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:04,507 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 02:39:04,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 3 states have call successors, (66), 3 states have call predecessors, (66), 2 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2021-11-13 02:39:04,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 02:39:04,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 02:39:04,511 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 25 remaining) [2021-11-13 02:39:04,512 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 25 remaining) [2021-11-13 02:39:04,512 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 25 remaining) [2021-11-13 02:39:04,512 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 25 remaining) [2021-11-13 02:39:04,513 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 25 remaining) [2021-11-13 02:39:04,513 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 25 remaining) [2021-11-13 02:39:04,513 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 25 remaining) [2021-11-13 02:39:04,513 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION (17 of 25 remaining) [2021-11-13 02:39:04,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 25 remaining) [2021-11-13 02:39:04,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION (15 of 25 remaining) [2021-11-13 02:39:04,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 25 remaining) [2021-11-13 02:39:04,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 25 remaining) [2021-11-13 02:39:04,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 25 remaining) [2021-11-13 02:39:04,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 25 remaining) [2021-11-13 02:39:04,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 25 remaining) [2021-11-13 02:39:04,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 25 remaining) [2021-11-13 02:39:04,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 25 remaining) [2021-11-13 02:39:04,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 25 remaining) [2021-11-13 02:39:04,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 25 remaining) [2021-11-13 02:39:04,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 25 remaining) [2021-11-13 02:39:04,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 25 remaining) [2021-11-13 02:39:04,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 25 remaining) [2021-11-13 02:39:04,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 25 remaining) [2021-11-13 02:39:04,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 25 remaining) [2021-11-13 02:39:04,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 25 remaining) [2021-11-13 02:39:04,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-13 02:39:04,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbf96f3-67b9-4cb2-b0b9-c44aa03a902f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:39:04,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.