./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/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 ac352421032347d7bf5d3bf9ef59e7281826004c82f3c932b159f55f0c829686 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:23:07,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:23:07,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:23:07,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:23:07,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:23:07,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:23:07,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:23:07,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:23:07,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:23:07,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:23:07,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:23:07,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:23:07,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:23:07,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:23:07,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:23:07,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:23:07,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:23:07,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:23:07,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:23:07,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:23:07,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:23:07,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:23:07,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:23:07,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:23:07,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:23:07,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:23:07,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:23:07,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:23:07,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:23:07,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:23:07,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:23:07,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:23:07,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:23:07,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:23:07,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:23:07,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:23:07,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:23:07,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:23:07,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:23:07,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:23:07,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:23:07,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 22:23:07,359 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:23:07,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:23:07,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:23:07,361 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:23:07,361 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:23:07,361 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:23:07,361 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:23:07,362 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:23:07,362 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:23:07,362 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:23:07,362 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:23:07,363 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:23:07,363 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:23:07,363 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:23:07,363 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:23:07,364 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:23:07,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:23:07,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:23:07,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:23:07,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:23:07,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:23:07,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:23:07,366 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:23:07,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:23:07,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:23:07,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:23:07,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:23:07,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:23:07,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:23:07,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:23:07,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:23:07,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:23:07,368 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:23:07,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:23:07,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:23:07,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:23:07,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:23:07,369 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac352421032347d7bf5d3bf9ef59e7281826004c82f3c932b159f55f0c829686 [2021-11-12 22:23:07,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:23:07,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:23:07,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:23:07,688 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:23:07,689 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:23:07,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2021-11-12 22:23:07,775 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/data/5361f3f72/fff88f10637a417fbb0959b3d35f82be/FLAG654e03a49 [2021-11-12 22:23:08,982 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:23:08,983 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2021-11-12 22:23:09,058 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/data/5361f3f72/fff88f10637a417fbb0959b3d35f82be/FLAG654e03a49 [2021-11-12 22:23:09,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/data/5361f3f72/fff88f10637a417fbb0959b3d35f82be [2021-11-12 22:23:09,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:23:09,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:23:09,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:23:09,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:23:09,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:23:09,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:23:09" (1/1) ... [2021-11-12 22:23:09,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@431e5c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:23:09, skipping insertion in model container [2021-11-12 22:23:09,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:23:09" (1/1) ... [2021-11-12 22:23:09,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:23:09,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:23:12,524 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:12,572 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:12,647 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:12,731 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:12,731 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:12,783 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:12,887 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:12,892 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:12,902 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:12,903 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:12,929 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:12,930 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:12,977 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:12,978 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:12,979 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:12,979 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:13,125 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:13,129 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:13,132 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:13,136 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:13,140 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:13,142 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:13,146 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:13,149 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:13,198 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:23:15,636 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486469,486482] [2021-11-12 22:23:15,640 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486614,486627] [2021-11-12 22:23:15,640 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486760,486773] [2021-11-12 22:23:15,644 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486925,486938] [2021-11-12 22:23:15,644 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487083,487096] [2021-11-12 22:23:15,645 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487241,487254] [2021-11-12 22:23:15,646 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487399,487412] [2021-11-12 22:23:15,646 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487559,487572] [2021-11-12 22:23:15,647 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487718,487731] [2021-11-12 22:23:15,647 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487857,487870] [2021-11-12 22:23:15,647 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487999,488012] [2021-11-12 22:23:15,648 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488148,488161] [2021-11-12 22:23:15,649 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488287,488300] [2021-11-12 22:23:15,649 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488442,488455] [2021-11-12 22:23:15,650 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488602,488615] [2021-11-12 22:23:15,657 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488753,488766] [2021-11-12 22:23:15,657 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488904,488917] [2021-11-12 22:23:15,658 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489056,489069] [2021-11-12 22:23:15,659 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489205,489218] [2021-11-12 22:23:15,660 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489353,489366] [2021-11-12 22:23:15,660 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489510,489523] [2021-11-12 22:23:15,661 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489659,489672] [2021-11-12 22:23:15,661 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489815,489828] [2021-11-12 22:23:15,662 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489968,489981] [2021-11-12 22:23:15,663 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490114,490127] [2021-11-12 22:23:15,663 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490257,490270] [2021-11-12 22:23:15,664 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490409,490422] [2021-11-12 22:23:15,664 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490555,490568] [2021-11-12 22:23:15,665 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490700,490713] [2021-11-12 22:23:15,666 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490854,490867] [2021-11-12 22:23:15,666 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491005,491018] [2021-11-12 22:23:15,667 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491160,491173] [2021-11-12 22:23:15,667 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491312,491325] [2021-11-12 22:23:15,668 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491467,491480] [2021-11-12 22:23:15,668 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491631,491644] [2021-11-12 22:23:15,669 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491787,491800] [2021-11-12 22:23:15,669 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491951,491964] [2021-11-12 22:23:15,670 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492093,492106] [2021-11-12 22:23:15,670 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492251,492264] [2021-11-12 22:23:15,671 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492418,492431] [2021-11-12 22:23:15,671 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492577,492590] [2021-11-12 22:23:15,671 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492736,492749] [2021-11-12 22:23:15,673 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492885,492898] [2021-11-12 22:23:15,674 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493032,493045] [2021-11-12 22:23:15,675 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493171,493184] [2021-11-12 22:23:15,676 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493334,493347] [2021-11-12 22:23:15,676 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493500,493513] [2021-11-12 22:23:15,678 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493664,493677] [2021-11-12 22:23:15,678 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493829,493842] [2021-11-12 22:23:15,679 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493994,494007] [2021-11-12 22:23:15,680 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494160,494173] [2021-11-12 22:23:15,680 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494325,494338] [2021-11-12 22:23:15,681 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494492,494505] [2021-11-12 22:23:15,681 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494652,494665] [2021-11-12 22:23:15,682 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494814,494827] [2021-11-12 22:23:15,683 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494973,494986] [2021-11-12 22:23:15,684 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495119,495132] [2021-11-12 22:23:15,684 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495262,495275] [2021-11-12 22:23:15,685 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495406,495419] [2021-11-12 22:23:15,685 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495549,495562] [2021-11-12 22:23:15,687 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495693,495706] [2021-11-12 22:23:15,688 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495834,495847] [2021-11-12 22:23:15,688 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495972,495985] [2021-11-12 22:23:15,689 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496130,496143] [2021-11-12 22:23:15,690 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496289,496302] [2021-11-12 22:23:15,692 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496445,496458] [2021-11-12 22:23:15,693 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496594,496607] [2021-11-12 22:23:15,693 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496746,496759] [2021-11-12 22:23:15,694 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496897,496910] [2021-11-12 22:23:15,695 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497046,497059] [2021-11-12 22:23:15,695 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497198,497211] [2021-11-12 22:23:15,696 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497346,497359] [2021-11-12 22:23:15,696 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497499,497512] [2021-11-12 22:23:15,697 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497650,497663] [2021-11-12 22:23:15,697 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497800,497813] [2021-11-12 22:23:15,698 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497947,497960] [2021-11-12 22:23:15,699 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498098,498111] [2021-11-12 22:23:15,700 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498249,498262] [2021-11-12 22:23:15,700 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498397,498410] [2021-11-12 22:23:15,701 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498563,498576] [2021-11-12 22:23:15,701 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498732,498745] [2021-11-12 22:23:15,702 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498899,498912] [2021-11-12 22:23:15,702 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499067,499080] [2021-11-12 22:23:15,703 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499217,499230] [2021-11-12 22:23:15,704 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499364,499377] [2021-11-12 22:23:15,704 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499525,499538] [2021-11-12 22:23:15,705 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499695,499708] [2021-11-12 22:23:15,706 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499857,499870] [2021-11-12 22:23:15,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:23:15,804 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) [2021-11-12 22:23:15,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@44e721c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:23:15, skipping insertion in model container [2021-11-12 22:23:15,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:23:15,810 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:23:15,813 INFO L158 Benchmark]: Toolchain (without parser) took 6556.87ms. Allocated memory was 100.7MB in the beginning and 203.4MB in the end (delta: 102.8MB). Free memory was 62.5MB in the beginning and 95.3MB in the end (delta: -32.8MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2021-11-12 22:23:15,814 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory was 77.9MB in the beginning and 77.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:23:15,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6554.20ms. Allocated memory was 100.7MB in the beginning and 203.4MB in the end (delta: 102.8MB). Free memory was 62.5MB in the beginning and 95.3MB in the end (delta: -32.8MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2021-11-12 22:23:15,819 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory was 77.9MB in the beginning and 77.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6554.20ms. Allocated memory was 100.7MB in the beginning and 203.4MB in the end (delta: 102.8MB). Free memory was 62.5MB in the beginning and 95.3MB in the end (delta: -32.8MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6638]: 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/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 ac352421032347d7bf5d3bf9ef59e7281826004c82f3c932b159f55f0c829686 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:23:18,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:23:18,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:23:18,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:23:18,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:23:18,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:23:18,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:23:18,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:23:18,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:23:18,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:23:18,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:23:18,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:23:18,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:23:18,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:23:18,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:23:18,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:23:18,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:23:18,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:23:18,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:23:18,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:23:18,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:23:18,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:23:18,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:23:18,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:23:18,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:23:18,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:23:18,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:23:18,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:23:18,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:23:18,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:23:18,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:23:18,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:23:18,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:23:18,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:23:18,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:23:18,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:23:18,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:23:18,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:23:18,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:23:18,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:23:18,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:23:18,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 22:23:18,364 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:23:18,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:23:18,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:23:18,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:23:18,365 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:23:18,366 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:23:18,366 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:23:18,366 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:23:18,366 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:23:18,367 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:23:18,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:23:18,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:23:18,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:23:18,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:23:18,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:23:18,368 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:23:18,369 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:23:18,369 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:23:18,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:23:18,369 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:23:18,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:23:18,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:23:18,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:23:18,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:23:18,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:23:18,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:23:18,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:23:18,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:23:18,371 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:23:18,372 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:23:18,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:23:18,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:23:18,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:23:18,373 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac352421032347d7bf5d3bf9ef59e7281826004c82f3c932b159f55f0c829686 [2021-11-12 22:23:18,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:23:18,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:23:18,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:23:18,897 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:23:18,898 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:23:18,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2021-11-12 22:23:18,964 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/data/0895626b2/be2119e829374a54ac5803055758b967/FLAGf91f55994 [2021-11-12 22:23:20,153 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:23:20,153 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2021-11-12 22:23:20,249 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/data/0895626b2/be2119e829374a54ac5803055758b967/FLAGf91f55994 [2021-11-12 22:23:20,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/data/0895626b2/be2119e829374a54ac5803055758b967 [2021-11-12 22:23:20,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:23:20,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:23:20,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:23:20,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:23:20,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:23:20,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:23:20" (1/1) ... [2021-11-12 22:23:20,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b00ed58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:23:20, skipping insertion in model container [2021-11-12 22:23:20,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:23:20" (1/1) ... [2021-11-12 22:23:20,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:23:20,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:23:26,410 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486469,486482] [2021-11-12 22:23:26,413 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486614,486627] [2021-11-12 22:23:26,414 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486760,486773] [2021-11-12 22:23:26,414 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486925,486938] [2021-11-12 22:23:26,415 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487083,487096] [2021-11-12 22:23:26,415 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487241,487254] [2021-11-12 22:23:26,416 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487399,487412] [2021-11-12 22:23:26,416 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487559,487572] [2021-11-12 22:23:26,417 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487718,487731] [2021-11-12 22:23:26,417 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487857,487870] [2021-11-12 22:23:26,418 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487999,488012] [2021-11-12 22:23:26,418 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488148,488161] [2021-11-12 22:23:26,419 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488287,488300] [2021-11-12 22:23:26,419 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488442,488455] [2021-11-12 22:23:26,420 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488602,488615] [2021-11-12 22:23:26,420 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488753,488766] [2021-11-12 22:23:26,421 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488904,488917] [2021-11-12 22:23:26,421 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489056,489069] [2021-11-12 22:23:26,422 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489205,489218] [2021-11-12 22:23:26,422 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489353,489366] [2021-11-12 22:23:26,423 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489510,489523] [2021-11-12 22:23:26,423 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489659,489672] [2021-11-12 22:23:26,424 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489815,489828] [2021-11-12 22:23:26,424 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489968,489981] [2021-11-12 22:23:26,425 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490114,490127] [2021-11-12 22:23:26,425 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490257,490270] [2021-11-12 22:23:26,426 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490409,490422] [2021-11-12 22:23:26,426 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490555,490568] [2021-11-12 22:23:26,427 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490700,490713] [2021-11-12 22:23:26,427 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490854,490867] [2021-11-12 22:23:26,428 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491005,491018] [2021-11-12 22:23:26,428 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491160,491173] [2021-11-12 22:23:26,429 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491312,491325] [2021-11-12 22:23:26,429 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491467,491480] [2021-11-12 22:23:26,430 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491631,491644] [2021-11-12 22:23:26,430 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491787,491800] [2021-11-12 22:23:26,431 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491951,491964] [2021-11-12 22:23:26,431 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492093,492106] [2021-11-12 22:23:26,432 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492251,492264] [2021-11-12 22:23:26,432 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492418,492431] [2021-11-12 22:23:26,432 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492577,492590] [2021-11-12 22:23:26,433 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492736,492749] [2021-11-12 22:23:26,433 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492885,492898] [2021-11-12 22:23:26,434 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493032,493045] [2021-11-12 22:23:26,434 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493171,493184] [2021-11-12 22:23:26,435 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493334,493347] [2021-11-12 22:23:26,435 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493500,493513] [2021-11-12 22:23:26,436 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493664,493677] [2021-11-12 22:23:26,436 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493829,493842] [2021-11-12 22:23:26,437 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493994,494007] [2021-11-12 22:23:26,437 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494160,494173] [2021-11-12 22:23:26,438 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494325,494338] [2021-11-12 22:23:26,438 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494492,494505] [2021-11-12 22:23:26,439 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494652,494665] [2021-11-12 22:23:26,439 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494814,494827] [2021-11-12 22:23:26,440 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494973,494986] [2021-11-12 22:23:26,440 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495119,495132] [2021-11-12 22:23:26,441 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495262,495275] [2021-11-12 22:23:26,441 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495406,495419] [2021-11-12 22:23:26,442 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495549,495562] [2021-11-12 22:23:26,442 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495693,495706] [2021-11-12 22:23:26,443 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495834,495847] [2021-11-12 22:23:26,443 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495972,495985] [2021-11-12 22:23:26,444 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496130,496143] [2021-11-12 22:23:26,444 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496289,496302] [2021-11-12 22:23:26,445 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496445,496458] [2021-11-12 22:23:26,445 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496594,496607] [2021-11-12 22:23:26,446 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496746,496759] [2021-11-12 22:23:26,446 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496897,496910] [2021-11-12 22:23:26,447 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497046,497059] [2021-11-12 22:23:26,447 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497198,497211] [2021-11-12 22:23:26,448 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497346,497359] [2021-11-12 22:23:26,448 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497499,497512] [2021-11-12 22:23:26,449 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497650,497663] [2021-11-12 22:23:26,449 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497800,497813] [2021-11-12 22:23:26,450 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497947,497960] [2021-11-12 22:23:26,450 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498098,498111] [2021-11-12 22:23:26,451 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498249,498262] [2021-11-12 22:23:26,452 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498397,498410] [2021-11-12 22:23:26,452 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498563,498576] [2021-11-12 22:23:26,453 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498732,498745] [2021-11-12 22:23:26,453 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498899,498912] [2021-11-12 22:23:26,454 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499067,499080] [2021-11-12 22:23:26,454 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499217,499230] [2021-11-12 22:23:26,455 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499364,499377] [2021-11-12 22:23:26,456 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499525,499538] [2021-11-12 22:23:26,456 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499695,499708] [2021-11-12 22:23:26,456 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499857,499870] [2021-11-12 22:23:26,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:23:26,538 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:23:26,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:23:27,201 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486469,486482] [2021-11-12 22:23:27,202 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486614,486627] [2021-11-12 22:23:27,203 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486760,486773] [2021-11-12 22:23:27,204 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486925,486938] [2021-11-12 22:23:27,205 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487083,487096] [2021-11-12 22:23:27,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487241,487254] [2021-11-12 22:23:27,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487399,487412] [2021-11-12 22:23:27,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487559,487572] [2021-11-12 22:23:27,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487718,487731] [2021-11-12 22:23:27,210 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487857,487870] [2021-11-12 22:23:27,210 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487999,488012] [2021-11-12 22:23:27,211 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488148,488161] [2021-11-12 22:23:27,213 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488287,488300] [2021-11-12 22:23:27,214 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488442,488455] [2021-11-12 22:23:27,216 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488602,488615] [2021-11-12 22:23:27,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488753,488766] [2021-11-12 22:23:27,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488904,488917] [2021-11-12 22:23:27,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489056,489069] [2021-11-12 22:23:27,218 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489205,489218] [2021-11-12 22:23:27,219 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489353,489366] [2021-11-12 22:23:27,219 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489510,489523] [2021-11-12 22:23:27,220 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489659,489672] [2021-11-12 22:23:27,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489815,489828] [2021-11-12 22:23:27,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489968,489981] [2021-11-12 22:23:27,222 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490114,490127] [2021-11-12 22:23:27,223 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490257,490270] [2021-11-12 22:23:27,224 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490409,490422] [2021-11-12 22:23:27,224 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490555,490568] [2021-11-12 22:23:27,226 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490700,490713] [2021-11-12 22:23:27,226 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490854,490867] [2021-11-12 22:23:27,227 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491005,491018] [2021-11-12 22:23:27,228 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491160,491173] [2021-11-12 22:23:27,228 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491312,491325] [2021-11-12 22:23:27,229 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491467,491480] [2021-11-12 22:23:27,229 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491631,491644] [2021-11-12 22:23:27,229 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491787,491800] [2021-11-12 22:23:27,230 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491951,491964] [2021-11-12 22:23:27,231 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492093,492106] [2021-11-12 22:23:27,232 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492251,492264] [2021-11-12 22:23:27,232 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492418,492431] [2021-11-12 22:23:27,234 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492577,492590] [2021-11-12 22:23:27,235 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492736,492749] [2021-11-12 22:23:27,268 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492885,492898] [2021-11-12 22:23:27,269 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493032,493045] [2021-11-12 22:23:27,269 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493171,493184] [2021-11-12 22:23:27,269 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493334,493347] [2021-11-12 22:23:27,270 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493500,493513] [2021-11-12 22:23:27,270 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493664,493677] [2021-11-12 22:23:27,270 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493829,493842] [2021-11-12 22:23:27,271 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493994,494007] [2021-11-12 22:23:27,271 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494160,494173] [2021-11-12 22:23:27,271 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494325,494338] [2021-11-12 22:23:27,272 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494492,494505] [2021-11-12 22:23:27,272 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494652,494665] [2021-11-12 22:23:27,272 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494814,494827] [2021-11-12 22:23:27,273 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494973,494986] [2021-11-12 22:23:27,273 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495119,495132] [2021-11-12 22:23:27,273 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495262,495275] [2021-11-12 22:23:27,274 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495406,495419] [2021-11-12 22:23:27,274 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495549,495562] [2021-11-12 22:23:27,274 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_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495693,495706] [2021-11-12 22:23:27,277 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495834,495847] [2021-11-12 22:23:27,277 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495972,495985] [2021-11-12 22:23:27,277 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496130,496143] [2021-11-12 22:23:27,278 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496289,496302] [2021-11-12 22:23:27,279 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496445,496458] [2021-11-12 22:23:27,279 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496594,496607] [2021-11-12 22:23:27,280 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496746,496759] [2021-11-12 22:23:27,280 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496897,496910] [2021-11-12 22:23:27,287 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497046,497059] [2021-11-12 22:23:27,288 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497198,497211] [2021-11-12 22:23:27,288 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497346,497359] [2021-11-12 22:23:27,289 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497499,497512] [2021-11-12 22:23:27,289 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497650,497663] [2021-11-12 22:23:27,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497800,497813] [2021-11-12 22:23:27,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497947,497960] [2021-11-12 22:23:27,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498098,498111] [2021-11-12 22:23:27,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498249,498262] [2021-11-12 22:23:27,292 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498397,498410] [2021-11-12 22:23:27,293 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498563,498576] [2021-11-12 22:23:27,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498732,498745] [2021-11-12 22:23:27,295 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498899,498912] [2021-11-12 22:23:27,295 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499067,499080] [2021-11-12 22:23:27,296 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499217,499230] [2021-11-12 22:23:27,296 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499364,499377] [2021-11-12 22:23:27,297 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499525,499538] [2021-11-12 22:23:27,297 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499695,499708] [2021-11-12 22:23:27,298 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499857,499870] [2021-11-12 22:23:27,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:23:27,347 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:23:28,054 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486469,486482] [2021-11-12 22:23:28,055 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486614,486627] [2021-11-12 22:23:28,055 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486760,486773] [2021-11-12 22:23:28,056 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486925,486938] [2021-11-12 22:23:28,056 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487083,487096] [2021-11-12 22:23:28,056 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487241,487254] [2021-11-12 22:23:28,057 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487399,487412] [2021-11-12 22:23:28,057 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487559,487572] [2021-11-12 22:23:28,058 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487718,487731] [2021-11-12 22:23:28,058 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487857,487870] [2021-11-12 22:23:28,058 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487999,488012] [2021-11-12 22:23:28,059 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488148,488161] [2021-11-12 22:23:28,059 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488287,488300] [2021-11-12 22:23:28,059 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488442,488455] [2021-11-12 22:23:28,060 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488602,488615] [2021-11-12 22:23:28,060 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488753,488766] [2021-11-12 22:23:28,061 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488904,488917] [2021-11-12 22:23:28,061 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489056,489069] [2021-11-12 22:23:28,061 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489205,489218] [2021-11-12 22:23:28,062 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489353,489366] [2021-11-12 22:23:28,062 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489510,489523] [2021-11-12 22:23:28,063 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489659,489672] [2021-11-12 22:23:28,063 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489815,489828] [2021-11-12 22:23:28,064 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489968,489981] [2021-11-12 22:23:28,064 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490114,490127] [2021-11-12 22:23:28,064 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490257,490270] [2021-11-12 22:23:28,067 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490409,490422] [2021-11-12 22:23:28,067 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490555,490568] [2021-11-12 22:23:28,068 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490700,490713] [2021-11-12 22:23:28,068 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490854,490867] [2021-11-12 22:23:28,074 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491005,491018] [2021-11-12 22:23:28,075 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491160,491173] [2021-11-12 22:23:28,075 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491312,491325] [2021-11-12 22:23:28,076 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491467,491480] [2021-11-12 22:23:28,076 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491631,491644] [2021-11-12 22:23:28,076 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491787,491800] [2021-11-12 22:23:28,077 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491951,491964] [2021-11-12 22:23:28,077 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492093,492106] [2021-11-12 22:23:28,078 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492251,492264] [2021-11-12 22:23:28,079 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492418,492431] [2021-11-12 22:23:28,080 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492577,492590] [2021-11-12 22:23:28,081 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492736,492749] [2021-11-12 22:23:28,081 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492885,492898] [2021-11-12 22:23:28,083 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493032,493045] [2021-11-12 22:23:28,083 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493171,493184] [2021-11-12 22:23:28,084 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493334,493347] [2021-11-12 22:23:28,084 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493500,493513] [2021-11-12 22:23:28,085 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493664,493677] [2021-11-12 22:23:28,085 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493829,493842] [2021-11-12 22:23:28,086 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493994,494007] [2021-11-12 22:23:28,087 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494160,494173] [2021-11-12 22:23:28,091 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494325,494338] [2021-11-12 22:23:28,092 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494492,494505] [2021-11-12 22:23:28,092 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494652,494665] [2021-11-12 22:23:28,093 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494814,494827] [2021-11-12 22:23:28,093 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494973,494986] [2021-11-12 22:23:28,093 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495119,495132] [2021-11-12 22:23:28,094 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495262,495275] [2021-11-12 22:23:28,094 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495406,495419] [2021-11-12 22:23:28,095 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495549,495562] [2021-11-12 22:23:28,095 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495693,495706] [2021-11-12 22:23:28,095 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495834,495847] [2021-11-12 22:23:28,096 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495972,495985] [2021-11-12 22:23:28,096 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496130,496143] [2021-11-12 22:23:28,096 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496289,496302] [2021-11-12 22:23:28,097 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496445,496458] [2021-11-12 22:23:28,097 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496594,496607] [2021-11-12 22:23:28,098 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496746,496759] [2021-11-12 22:23:28,098 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496897,496910] [2021-11-12 22:23:28,098 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497046,497059] [2021-11-12 22:23:28,099 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497198,497211] [2021-11-12 22:23:28,100 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497346,497359] [2021-11-12 22:23:28,103 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497499,497512] [2021-11-12 22:23:28,103 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497650,497663] [2021-11-12 22:23:28,104 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497800,497813] [2021-11-12 22:23:28,104 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497947,497960] [2021-11-12 22:23:28,105 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498098,498111] [2021-11-12 22:23:28,105 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498249,498262] [2021-11-12 22:23:28,106 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498397,498410] [2021-11-12 22:23:28,111 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498563,498576] [2021-11-12 22:23:28,115 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498732,498745] [2021-11-12 22:23:28,115 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498899,498912] [2021-11-12 22:23:28,116 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499067,499080] [2021-11-12 22:23:28,116 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499217,499230] [2021-11-12 22:23:28,117 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499364,499377] [2021-11-12 22:23:28,117 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499525,499538] [2021-11-12 22:23:28,117 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499695,499708] [2021-11-12 22:23:28,118 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499857,499870] [2021-11-12 22:23:28,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:23:28,532 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:23:28,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:23:28 WrapperNode [2021-11-12 22:23:28,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:23:28,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:23:28,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:23:28,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:23:28,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:23:28" (1/1) ... [2021-11-12 22:23:28,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:23:28" (1/1) ... [2021-11-12 22:23:28,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:23:28,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:23:28,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:23:28,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:23:29,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:23:28" (1/1) ... [2021-11-12 22:23:29,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:23:28" (1/1) ... [2021-11-12 22:23:29,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:23:28" (1/1) ... [2021-11-12 22:23:29,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:23:28" (1/1) ... [2021-11-12 22:23:29,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:23:28" (1/1) ... [2021-11-12 22:23:29,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:23:28" (1/1) ... [2021-11-12 22:23:29,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:23:28" (1/1) ... [2021-11-12 22:23:29,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:23:29,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:23:29,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:23:29,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:23:29,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:23:28" (1/1) ... [2021-11-12 22:23:29,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:23:29,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:23:29,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:23:29,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:23:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-12 22:23:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-12 22:23:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-11-12 22:23:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-11-12 22:23:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-11-12 22:23:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-11-12 22:23:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 22:23:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 22:23:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_info [2021-11-12 22:23:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_info [2021-11-12 22:23:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure mega_adapinq [2021-11-12 22:23:29,535 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_adapinq [2021-11-12 22:23:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-11-12 22:23:29,535 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-11-12 22:23:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-12 22:23:29,535 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-12 22:23:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_inquiry [2021-11-12 22:23:29,536 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_inquiry [2021-11-12 22:23:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2021-11-12 22:23:29,536 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2021-11-12 22:23:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 22:23:29,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 22:23:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 22:23:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 22:23:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-12 22:23:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-12 22:23:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure mega_build_sglist [2021-11-12 22:23:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_build_sglist [2021-11-12 22:23:29,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 22:23:29,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 22:23:29,538 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 22:23:29,538 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 22:23:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-12 22:23:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-12 22:23:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 22:23:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 22:23:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure megadev_unlocked_ioctl [2021-11-12 22:23:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure megadev_unlocked_ioctl [2021-11-12 22:23:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 22:23:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 22:23:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-12 22:23:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_scb [2021-11-12 22:23:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_scb [2021-11-12 22:23:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 22:23:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 22:23:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 22:23:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 22:23:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2021-11-12 22:23:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2021-11-12 22:23:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort_and_reset [2021-11-12 22:23:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort_and_reset [2021-11-12 22:23:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 22:23:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 22:23:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-12 22:23:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-12 22:23:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-12 22:23:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-12 22:23:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:23:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 22:23:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:23:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 22:23:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 22:23:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-12 22:23:29,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-12 22:23:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure issue_scb_block [2021-11-12 22:23:29,544 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_scb_block [2021-11-12 22:23:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-12 22:23:29,544 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-12 22:23:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 22:23:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 22:23:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_sgl [2021-11-12 22:23:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_sgl [2021-11-12 22:23:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-11-12 22:23:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-11-12 22:23:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-12 22:23:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-12 22:23:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 22:23:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 22:23:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 22:23:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 22:23:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 22:23:29,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 22:23:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 22:23:29,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 22:23:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-12 22:23:29,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-12 22:23:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 22:23:29,548 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 22:23:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 22:23:29,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 22:23:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 22:23:29,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 22:23:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 22:23:29,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 22:23:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-12 22:23:29,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-12 22:23:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure mega_runpendq [2021-11-12 22:23:29,549 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_runpendq [2021-11-12 22:23:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-11-12 22:23:29,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-11-12 22:23:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-12 22:23:29,550 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-12 22:23:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-12 22:23:29,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-12 22:23:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 22:23:29,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 22:23:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 22:23:29,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 22:23:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-12 22:23:29,554 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-12 22:23:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 22:23:29,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 22:23:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2021-11-12 22:23:29,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2021-11-12 22:23:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_int_mtx_of_NOT_ARG_SIGN [2021-11-12 22:23:29,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_int_mtx_of_NOT_ARG_SIGN [2021-11-12 22:23:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 22:23:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2021-11-12 22:23:29,556 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2021-11-12 22:23:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-12 22:23:29,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-12 22:23:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-12 22:23:29,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-12 22:23:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2021-11-12 22:23:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2021-11-12 22:23:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 22:23:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 22:23:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 22:23:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 22:23:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure mega_n_to_m [2021-11-12 22:23:29,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_n_to_m [2021-11-12 22:23:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:23:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 22:23:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 22:23:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 22:23:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 22:23:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 22:23:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 22:23:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-12 22:23:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-12 22:23:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure mega_internal_command [2021-11-12 22:23:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_internal_command [2021-11-12 22:23:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-12 22:23:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-12 22:23:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_shutdown [2021-11-12 22:23:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_shutdown [2021-11-12 22:23:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-12 22:23:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-12 22:23:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-12 22:23:29,562 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-12 22:23:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 22:23:29,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 22:23:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2021-11-12 22:23:29,562 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2021-11-12 22:23:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-12 22:23:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-12 22:23:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure proc_show_rdrv [2021-11-12 22:23:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_show_rdrv [2021-11-12 22:23:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 22:23:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:23:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:23:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 22:23:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 22:23:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 22:23:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 22:23:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 22:23:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 22:23:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 22:23:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 22:23:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_inquiry [2021-11-12 22:23:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_inquiry [2021-11-12 22:23:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure free_local_pdev [2021-11-12 22:23:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure free_local_pdev [2021-11-12 22:23:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 22:23:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 22:23:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure proc_show_pdrv [2021-11-12 22:23:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_show_pdrv [2021-11-12 22:23:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-12 22:23:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-12 22:23:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-11-12 22:23:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-11-12 22:23:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-12 22:23:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-12 22:23:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2021-11-12 22:23:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2021-11-12 22:23:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure __megaraid_shutdown [2021-11-12 22:23:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __megaraid_shutdown [2021-11-12 22:23:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-12 22:23:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-12 22:23:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 22:23:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 22:23:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-12 22:23:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-12 22:23:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2021-11-12 22:23:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2021-11-12 22:23:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-12 22:23:29,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-12 22:23:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-12 22:23:29,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-12 22:23:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-12 22:23:29,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-12 22:23:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 22:23:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 22:23:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_reset [2021-11-12 22:23:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_reset [2021-11-12 22:23:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:23:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 22:23:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 22:23:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 22:23:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 22:23:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 22:23:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_queue [2021-11-12 22:23:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_queue [2021-11-12 22:23:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_biosparam [2021-11-12 22:23:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_biosparam [2021-11-12 22:23:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_remove_one [2021-11-12 22:23:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_remove_one [2021-11-12 22:23:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 22:23:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 22:23:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 22:23:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 22:23:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:23:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-12 22:23:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-12 22:23:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-12 22:23:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-12 22:23:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 22:23:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 22:23:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-12 22:23:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-12 22:23:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 22:23:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 22:23:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-12 22:23:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-12 22:23:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure seq_write [2021-11-12 22:23:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_write [2021-11-12 22:23:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_scb [2021-11-12 22:23:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_scb [2021-11-12 22:23:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-12 22:23:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-12 22:23:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure make_local_pdev [2021-11-12 22:23:29,577 INFO L138 BoogieDeclarations]: Found implementation of procedure make_local_pdev [2021-11-12 22:23:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 22:23:29,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 22:23:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 22:23:29,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 22:23:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 22:23:29,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 22:23:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-12 22:23:29,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-12 22:23:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 22:23:29,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 22:23:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 22:23:29,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 22:23:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-12 22:23:29,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-12 22:23:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 22:23:29,579 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 22:23:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 22:23:29,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 22:23:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-12 22:23:29,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-12 22:23:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 22:23:29,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 22:23:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-12 22:23:29,580 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-12 22:23:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 22:23:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 22:23:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 22:23:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 22:23:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 22:23:29,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 22:23:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 22:23:29,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 22:23:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-12 22:23:29,581 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-12 22:23:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure mega_rundoneq [2021-11-12 22:23:29,581 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_rundoneq [2021-11-12 22:23:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 22:23:29,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 22:23:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 22:23:29,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 22:23:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-12 22:23:29,582 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-12 22:23:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-12 22:23:29,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-12 22:23:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-11-12 22:23:29,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-11-12 22:23:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_megadev_mutex [2021-11-12 22:23:29,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_megadev_mutex [2021-11-12 22:23:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort [2021-11-12 22:23:29,584 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort [2021-11-12 22:23:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2021-11-12 22:23:29,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2021-11-12 22:23:31,604 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 22:23:54,728 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: mega_build_cmd_#res#1.base, mega_build_cmd_#res#1.offset := 0bv64, 0bv64;call ULTIMATE.dealloc(mega_build_cmd_~#seg~0#1.base, mega_build_cmd_~#seg~0#1.offset);havoc mega_build_cmd_~#seg~0#1.base, mega_build_cmd_~#seg~0#1.offset; [2021-11-12 22:24:39,252 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:24:39,252 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-12 22:24:39,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:24:39 BoogieIcfgContainer [2021-11-12 22:24:39,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:24:39,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:24:39,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:24:39,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:24:39,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:23:20" (1/3) ... [2021-11-12 22:24:39,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510355ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:24:39, skipping insertion in model container [2021-11-12 22:24:39,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:23:28" (2/3) ... [2021-11-12 22:24:39,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510355ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:24:39, skipping insertion in model container [2021-11-12 22:24:39,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:24:39" (3/3) ... [2021-11-12 22:24:39,268 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2021-11-12 22:24:39,274 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:24:39,274 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2021-11-12 22:24:39,339 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:24:39,345 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 [2021-11-12 22:24:39,345 INFO L340 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2021-11-12 22:24:39,426 INFO L276 IsEmpty]: Start isEmpty. Operand has 2820 states, 1929 states have (on average 1.3089683773976153) internal successors, (2525), 2021 states have internal predecessors, (2525), 725 states have call successors, (725), 131 states have call predecessors, (725), 130 states have return successors, (718), 708 states have call predecessors, (718), 718 states have call successors, (718) [2021-11-12 22:24:39,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-12 22:24:39,434 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:24:39,435 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:24:39,436 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:24:39,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:24:39,441 INFO L85 PathProgramCache]: Analyzing trace with hash -670246411, now seen corresponding path program 1 times [2021-11-12 22:24:39,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:24:39,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21654390] [2021-11-12 22:24:39,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:24:39,466 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:24:39,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:24:39,470 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:24:39,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:24:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:24:45,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 1918 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:24:45,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:24:46,329 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-12 22:24:46,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:24:46,652 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-12 22:24:46,652 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:24:46,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [21654390] [2021-11-12 22:24:46,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [21654390] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:24:46,653 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:24:46,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-12 22:24:46,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699031539] [2021-11-12 22:24:46,656 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:24:46,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:24:46,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:24:46,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:24:46,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:24:46,717 INFO L87 Difference]: Start difference. First operand has 2820 states, 1929 states have (on average 1.3089683773976153) internal successors, (2525), 2021 states have internal predecessors, (2525), 725 states have call successors, (725), 131 states have call predecessors, (725), 130 states have return successors, (718), 708 states have call predecessors, (718), 718 states have call successors, (718) Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 4 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-12 22:24:49,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:24:52,827 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:24:53,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:24:53,272 INFO L93 Difference]: Finished difference Result 7236 states and 10326 transitions. [2021-11-12 22:24:53,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 22:24:53,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 4 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 65 [2021-11-12 22:24:53,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:24:53,343 INFO L225 Difference]: With dead ends: 7236 [2021-11-12 22:24:53,343 INFO L226 Difference]: Without dead ends: 4401 [2021-11-12 22:24:53,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:24:53,383 INFO L933 BasicCegarLoop]: 4271 mSDtfsCounter, 3534 mSDsluCounter, 3798 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 880 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5566.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3534 SdHoareTripleChecker+Valid, 8069 SdHoareTripleChecker+Invalid, 883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 59.64ms SdHoareTripleChecker+Time, 880 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6019.40ms IncrementalHoareTripleChecker+Time [2021-11-12 22:24:53,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3534 Valid, 8069 Invalid, 883 Unknown, 0 Unchecked, 59.64ms Time], IncrementalHoareTripleChecker [880 Valid, 1 Invalid, 2 Unknown, 0 Unchecked, 6019.40ms Time] [2021-11-12 22:24:53,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4401 states. [2021-11-12 22:24:53,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4401 to 4190. [2021-11-12 22:24:53,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4190 states, 2833 states have (on average 1.2516766678432756) internal successors, (3546), 2959 states have internal predecessors, (3546), 1107 states have call successors, (1107), 216 states have call predecessors, (1107), 215 states have return successors, (1105), 1088 states have call predecessors, (1105), 1105 states have call successors, (1105) [2021-11-12 22:24:53,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 4190 states and 5758 transitions. [2021-11-12 22:24:53,833 INFO L78 Accepts]: Start accepts. Automaton has 4190 states and 5758 transitions. Word has length 65 [2021-11-12 22:24:53,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:24:53,834 INFO L470 AbstractCegarLoop]: Abstraction has 4190 states and 5758 transitions. [2021-11-12 22:24:53,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 4 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-12 22:24:53,834 INFO L276 IsEmpty]: Start isEmpty. Operand 4190 states and 5758 transitions. [2021-11-12 22:24:53,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-12 22:24:53,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:24:53,848 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:24:53,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 22:24:54,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:24:54,071 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:24:54,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:24:54,072 INFO L85 PathProgramCache]: Analyzing trace with hash -629571661, now seen corresponding path program 1 times [2021-11-12 22:24:54,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:24:54,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928757928] [2021-11-12 22:24:54,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:24:54,076 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:24:54,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:24:54,080 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:24:54,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 22:24:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:24:59,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 1917 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:24:59,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:25:00,154 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-12 22:25:00,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:25:00,387 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-12 22:25:00,387 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:25:00,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928757928] [2021-11-12 22:25:00,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928757928] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:25:00,388 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:25:00,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-12 22:25:00,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507826483] [2021-11-12 22:25:00,388 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:25:00,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:25:00,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:25:00,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:25:00,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:25:00,391 INFO L87 Difference]: Start difference. First operand 4190 states and 5758 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 4 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-12 22:25:00,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:25:00,700 INFO L93 Difference]: Finished difference Result 8373 states and 11507 transitions. [2021-11-12 22:25:00,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 22:25:00,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 4 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 65 [2021-11-12 22:25:00,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:25:00,737 INFO L225 Difference]: With dead ends: 8373 [2021-11-12 22:25:00,737 INFO L226 Difference]: Without dead ends: 4190 [2021-11-12 22:25:00,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:25:00,762 INFO L933 BasicCegarLoop]: 3816 mSDtfsCounter, 3812 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3812 SdHoareTripleChecker+Valid, 3816 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.23ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.63ms IncrementalHoareTripleChecker+Time [2021-11-12 22:25:00,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3812 Valid, 3816 Invalid, 4 Unknown, 0 Unchecked, 14.23ms Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 13.63ms Time] [2021-11-12 22:25:00,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4190 states. [2021-11-12 22:25:01,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4190 to 4190. [2021-11-12 22:25:01,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4190 states, 2833 states have (on average 1.2513236851394283) internal successors, (3545), 2959 states have internal predecessors, (3545), 1107 states have call successors, (1107), 216 states have call predecessors, (1107), 215 states have return successors, (1105), 1088 states have call predecessors, (1105), 1105 states have call successors, (1105) [2021-11-12 22:25:01,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 4190 states and 5757 transitions. [2021-11-12 22:25:01,222 INFO L78 Accepts]: Start accepts. Automaton has 4190 states and 5757 transitions. Word has length 65 [2021-11-12 22:25:01,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:25:01,223 INFO L470 AbstractCegarLoop]: Abstraction has 4190 states and 5757 transitions. [2021-11-12 22:25:01,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 4 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-12 22:25:01,223 INFO L276 IsEmpty]: Start isEmpty. Operand 4190 states and 5757 transitions. [2021-11-12 22:25:01,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-12 22:25:01,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:25:01,227 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:25:01,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 22:25:01,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:25:01,451 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:25:01,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:25:01,452 INFO L85 PathProgramCache]: Analyzing trace with hash 757213749, now seen corresponding path program 1 times [2021-11-12 22:25:01,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:25:01,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1582118112] [2021-11-12 22:25:01,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:25:01,456 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:25:01,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:25:01,458 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:25:01,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 22:25:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:25:06,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 1916 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-12 22:25:06,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:25:07,284 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-12 22:25:07,284 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:25:07,634 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 22:25:07,634 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:25:07,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1582118112] [2021-11-12 22:25:07,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1582118112] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:25:07,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:25:07,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9 [2021-11-12 22:25:07,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141171233] [2021-11-12 22:25:07,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:25:07,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 22:25:07,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:25:07,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 22:25:07,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-12 22:25:07,636 INFO L87 Difference]: Start difference. First operand 4190 states and 5757 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-12 22:25:10,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:25:10,047 INFO L93 Difference]: Finished difference Result 6352 states and 8790 transitions. [2021-11-12 22:25:10,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 22:25:10,048 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 65 [2021-11-12 22:25:10,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:25:10,098 INFO L225 Difference]: With dead ends: 6352 [2021-11-12 22:25:10,098 INFO L226 Difference]: Without dead ends: 5177 [2021-11-12 22:25:10,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-12 22:25:10,112 INFO L933 BasicCegarLoop]: 4054 mSDtfsCounter, 1197 mSDsluCounter, 23543 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 569 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1666.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1339 SdHoareTripleChecker+Valid, 27597 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 68.64ms SdHoareTripleChecker+Time, 569 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1842.76ms IncrementalHoareTripleChecker+Time [2021-11-12 22:25:10,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1339 Valid, 27597 Invalid, 966 Unknown, 0 Unchecked, 68.64ms Time], IncrementalHoareTripleChecker [569 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 1842.76ms Time] [2021-11-12 22:25:10,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5177 states. [2021-11-12 22:25:10,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5177 to 4193. [2021-11-12 22:25:10,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4193 states, 2836 states have (on average 1.2510578279266573) internal successors, (3548), 2962 states have internal predecessors, (3548), 1107 states have call successors, (1107), 216 states have call predecessors, (1107), 215 states have return successors, (1105), 1088 states have call predecessors, (1105), 1105 states have call successors, (1105) [2021-11-12 22:25:10,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 5760 transitions. [2021-11-12 22:25:10,422 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 5760 transitions. Word has length 65 [2021-11-12 22:25:10,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:25:10,425 INFO L470 AbstractCegarLoop]: Abstraction has 4193 states and 5760 transitions. [2021-11-12 22:25:10,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-12 22:25:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 5760 transitions. [2021-11-12 22:25:10,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-12 22:25:10,429 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:25:10,429 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:25:10,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 22:25:10,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:25:10,650 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:25:10,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:25:10,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1747136623, now seen corresponding path program 1 times [2021-11-12 22:25:10,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:25:10,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970983724] [2021-11-12 22:25:10,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:25:10,655 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:25:10,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:25:10,656 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:25:10,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 22:25:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:25:16,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 1910 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:25:16,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:25:16,733 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:25:16,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:25:17,210 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:25:17,210 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:25:17,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970983724] [2021-11-12 22:25:17,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970983724] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:25:17,210 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:25:17,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:25:17,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856041905] [2021-11-12 22:25:17,211 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:25:17,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:25:17,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:25:17,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:25:17,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:25:17,212 INFO L87 Difference]: Start difference. First operand 4193 states and 5760 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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) [2021-11-12 22:25:17,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:25:17,672 INFO L93 Difference]: Finished difference Result 8342 states and 11503 transitions. [2021-11-12 22:25:17,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 22:25:17,673 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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 87 [2021-11-12 22:25:17,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:25:17,742 INFO L225 Difference]: With dead ends: 8342 [2021-11-12 22:25:17,742 INFO L226 Difference]: Without dead ends: 8340 [2021-11-12 22:25:17,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:25:17,751 INFO L933 BasicCegarLoop]: 6009 mSDtfsCounter, 3739 mSDsluCounter, 15820 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3741 SdHoareTripleChecker+Valid, 21829 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 46.44ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.21ms IncrementalHoareTripleChecker+Time [2021-11-12 22:25:17,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3741 Valid, 21829 Invalid, 21 Unknown, 0 Unchecked, 46.44ms Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 69.21ms Time] [2021-11-12 22:25:17,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8340 states. [2021-11-12 22:25:18,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8340 to 8130. [2021-11-12 22:25:18,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8130 states, 5524 states have (on average 1.2532585083272991) internal successors, (6923), 5742 states have internal predecessors, (6923), 2161 states have call successors, (2161), 411 states have call predecessors, (2161), 410 states have return successors, (2198), 2123 states have call predecessors, (2198), 2159 states have call successors, (2198) [2021-11-12 22:25:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8130 states to 8130 states and 11282 transitions. [2021-11-12 22:25:18,271 INFO L78 Accepts]: Start accepts. Automaton has 8130 states and 11282 transitions. Word has length 87 [2021-11-12 22:25:18,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:25:18,273 INFO L470 AbstractCegarLoop]: Abstraction has 8130 states and 11282 transitions. [2021-11-12 22:25:18,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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) [2021-11-12 22:25:18,273 INFO L276 IsEmpty]: Start isEmpty. Operand 8130 states and 11282 transitions. [2021-11-12 22:25:18,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-12 22:25:18,274 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:25:18,274 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:25:18,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 22:25:18,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:25:18,491 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:25:18,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:25:18,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1219884574, now seen corresponding path program 1 times [2021-11-12 22:25:18,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:25:18,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [162948461] [2021-11-12 22:25:18,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:25:18,496 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:25:18,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:25:18,497 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:25:18,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 22:25:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:25:23,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 1919 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:25:23,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:25:24,575 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:25:24,575 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:25:24,971 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:25:24,972 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:25:24,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [162948461] [2021-11-12 22:25:24,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [162948461] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:25:24,972 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:25:24,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:25:24,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000971026] [2021-11-12 22:25:24,972 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:25:24,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:25:24,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:25:24,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:25:24,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:25:24,974 INFO L87 Difference]: Start difference. First operand 8130 states and 11282 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2021-11-12 22:25:25,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:25:25,465 INFO L93 Difference]: Finished difference Result 8130 states and 11282 transitions. [2021-11-12 22:25:25,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:25:25,465 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 93 [2021-11-12 22:25:25,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:25:25,547 INFO L225 Difference]: With dead ends: 8130 [2021-11-12 22:25:25,547 INFO L226 Difference]: Without dead ends: 8128 [2021-11-12 22:25:25,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:25:25,553 INFO L933 BasicCegarLoop]: 3815 mSDtfsCounter, 3741 mSDsluCounter, 7626 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3743 SdHoareTripleChecker+Valid, 11441 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.42ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.59ms IncrementalHoareTripleChecker+Time [2021-11-12 22:25:25,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3743 Valid, 11441 Invalid, 2 Unknown, 0 Unchecked, 28.42ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.59ms Time] [2021-11-12 22:25:25,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8128 states. [2021-11-12 22:25:26,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8128 to 8128. [2021-11-12 22:25:26,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8128 states, 5523 states have (on average 1.2531233025529604) internal successors, (6921), 5740 states have internal predecessors, (6921), 2161 states have call successors, (2161), 411 states have call predecessors, (2161), 410 states have return successors, (2198), 2123 states have call predecessors, (2198), 2159 states have call successors, (2198) [2021-11-12 22:25:26,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8128 states to 8128 states and 11280 transitions. [2021-11-12 22:25:26,204 INFO L78 Accepts]: Start accepts. Automaton has 8128 states and 11280 transitions. Word has length 93 [2021-11-12 22:25:26,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:25:26,205 INFO L470 AbstractCegarLoop]: Abstraction has 8128 states and 11280 transitions. [2021-11-12 22:25:26,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2021-11-12 22:25:26,205 INFO L276 IsEmpty]: Start isEmpty. Operand 8128 states and 11280 transitions. [2021-11-12 22:25:26,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-12 22:25:26,212 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:25:26,212 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:25:26,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 22:25:26,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:25:26,435 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:25:26,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:25:26,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1747759848, now seen corresponding path program 1 times [2021-11-12 22:25:26,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:25:26,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [55311500] [2021-11-12 22:25:26,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:25:26,439 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:25:26,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:25:26,440 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:25:26,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 22:25:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:25:31,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 1948 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 22:25:31,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:25:32,827 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-12 22:25:32,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:25:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-12 22:25:33,831 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:25:33,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [55311500] [2021-11-12 22:25:33,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [55311500] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:25:33,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2003849280] [2021-11-12 22:25:33,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:25:33,832 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 22:25:33,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 22:25:33,840 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 22:25:33,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-12 22:25:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:25:40,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 1948 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-12 22:25:40,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:25:40,420 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-12 22:25:40,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:25:40,994 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:25:40,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2003849280] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:25:40,995 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 22:25:40,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 15] imperfect sequences [18, 18] total 21 [2021-11-12 22:25:40,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332702326] [2021-11-12 22:25:40,995 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:25:40,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-12 22:25:40,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:25:40,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-12 22:25:40,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2021-11-12 22:25:40,996 INFO L87 Difference]: Start difference. First operand 8128 states and 11280 transitions. Second operand has 18 states, 17 states have (on average 3.6470588235294117) internal successors, (62), 17 states have internal predecessors, (62), 8 states have call successors, (15), 2 states have call predecessors, (15), 5 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) [2021-11-12 22:25:44,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:25:44,933 INFO L93 Difference]: Finished difference Result 11538 states and 15874 transitions. [2021-11-12 22:25:44,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-12 22:25:44,935 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.6470588235294117) internal successors, (62), 17 states have internal predecessors, (62), 8 states have call successors, (15), 2 states have call predecessors, (15), 5 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) Word has length 93 [2021-11-12 22:25:44,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:25:44,980 INFO L225 Difference]: With dead ends: 11538 [2021-11-12 22:25:44,981 INFO L226 Difference]: Without dead ends: 8211 [2021-11-12 22:25:45,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=125, Invalid=745, Unknown=0, NotChecked=0, Total=870 [2021-11-12 22:25:45,005 INFO L933 BasicCegarLoop]: 3789 mSDtfsCounter, 56 mSDsluCounter, 52742 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2582.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 56531 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 65.20ms SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2747.10ms IncrementalHoareTripleChecker+Time [2021-11-12 22:25:45,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 56531 Invalid, 1081 Unknown, 0 Unchecked, 65.20ms Time], IncrementalHoareTripleChecker [197 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 2747.10ms Time] [2021-11-12 22:25:45,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8211 states. [2021-11-12 22:25:45,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8211 to 8176. [2021-11-12 22:25:45,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8176 states, 5555 states have (on average 1.2516651665166516) internal successors, (6953), 5772 states have internal predecessors, (6953), 2177 states have call successors, (2177), 411 states have call predecessors, (2177), 410 states have return successors, (2214), 2139 states have call predecessors, (2214), 2175 states have call successors, (2214) [2021-11-12 22:25:45,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8176 states to 8176 states and 11344 transitions. [2021-11-12 22:25:45,548 INFO L78 Accepts]: Start accepts. Automaton has 8176 states and 11344 transitions. Word has length 93 [2021-11-12 22:25:45,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:25:45,549 INFO L470 AbstractCegarLoop]: Abstraction has 8176 states and 11344 transitions. [2021-11-12 22:25:45,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.6470588235294117) internal successors, (62), 17 states have internal predecessors, (62), 8 states have call successors, (15), 2 states have call predecessors, (15), 5 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) [2021-11-12 22:25:45,549 INFO L276 IsEmpty]: Start isEmpty. Operand 8176 states and 11344 transitions. [2021-11-12 22:25:45,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-12 22:25:45,551 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:25:45,551 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:25:45,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-11-12 22:25:45,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 22:25:45,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:25:45,979 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:25:45,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:25:45,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1399362067, now seen corresponding path program 1 times [2021-11-12 22:25:45,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:25:45,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2137594009] [2021-11-12 22:25:45,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:25:45,983 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:25:45,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:25:45,984 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:25:46,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-12 22:25:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:25:51,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 1928 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:25:51,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:25:51,949 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:25:51,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:25:52,354 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:25:52,354 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:25:52,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2137594009] [2021-11-12 22:25:52,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2137594009] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:25:52,355 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:25:52,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:25:52,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748768288] [2021-11-12 22:25:52,355 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:25:52,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:25:52,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:25:52,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:25:52,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:25:52,357 INFO L87 Difference]: Start difference. First operand 8176 states and 11344 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2021-11-12 22:25:52,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:25:52,692 INFO L93 Difference]: Finished difference Result 8176 states and 11344 transitions. [2021-11-12 22:25:52,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:25:52,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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 99 [2021-11-12 22:25:52,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:25:52,731 INFO L225 Difference]: With dead ends: 8176 [2021-11-12 22:25:52,731 INFO L226 Difference]: Without dead ends: 8174 [2021-11-12 22:25:52,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:25:52,738 INFO L933 BasicCegarLoop]: 3813 mSDtfsCounter, 3736 mSDsluCounter, 3811 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3738 SdHoareTripleChecker+Valid, 7624 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.93ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.39ms IncrementalHoareTripleChecker+Time [2021-11-12 22:25:52,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3738 Valid, 7624 Invalid, 2 Unknown, 0 Unchecked, 11.93ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.39ms Time] [2021-11-12 22:25:52,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8174 states. [2021-11-12 22:25:53,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8174 to 8174. [2021-11-12 22:25:53,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8174 states, 5554 states have (on average 1.2515304285199855) internal successors, (6951), 5770 states have internal predecessors, (6951), 2177 states have call successors, (2177), 411 states have call predecessors, (2177), 410 states have return successors, (2214), 2139 states have call predecessors, (2214), 2175 states have call successors, (2214) [2021-11-12 22:25:53,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8174 states to 8174 states and 11342 transitions. [2021-11-12 22:25:53,246 INFO L78 Accepts]: Start accepts. Automaton has 8174 states and 11342 transitions. Word has length 99 [2021-11-12 22:25:53,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:25:53,248 INFO L470 AbstractCegarLoop]: Abstraction has 8174 states and 11342 transitions. [2021-11-12 22:25:53,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2021-11-12 22:25:53,248 INFO L276 IsEmpty]: Start isEmpty. Operand 8174 states and 11342 transitions. [2021-11-12 22:25:53,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-12 22:25:53,250 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:25:53,250 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:25:53,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-12 22:25:53,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:25:53,471 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:25:53,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:25:53,471 INFO L85 PathProgramCache]: Analyzing trace with hash 377864547, now seen corresponding path program 1 times [2021-11-12 22:25:53,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:25:53,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465624964] [2021-11-12 22:25:53,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:25:53,476 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:25:53,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:25:53,477 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:25:53,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-12 22:25:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:25:58,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 1937 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:25:58,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:25:59,452 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:25:59,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:25:59,881 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:25:59,881 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:25:59,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465624964] [2021-11-12 22:25:59,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [465624964] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:25:59,881 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:25:59,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:25:59,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859307468] [2021-11-12 22:25:59,882 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:25:59,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:25:59,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:25:59,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:25:59,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:25:59,883 INFO L87 Difference]: Start difference. First operand 8174 states and 11342 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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) [2021-11-12 22:26:00,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:26:00,203 INFO L93 Difference]: Finished difference Result 8174 states and 11342 transitions. [2021-11-12 22:26:00,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:26:00,203 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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 105 [2021-11-12 22:26:00,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:26:00,241 INFO L225 Difference]: With dead ends: 8174 [2021-11-12 22:26:00,241 INFO L226 Difference]: Without dead ends: 8172 [2021-11-12 22:26:00,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:26:00,247 INFO L933 BasicCegarLoop]: 3811 mSDtfsCounter, 3728 mSDsluCounter, 3809 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3730 SdHoareTripleChecker+Valid, 7620 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.14ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.06ms IncrementalHoareTripleChecker+Time [2021-11-12 22:26:00,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3730 Valid, 7620 Invalid, 2 Unknown, 0 Unchecked, 13.14ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.06ms Time] [2021-11-12 22:26:00,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8172 states. [2021-11-12 22:26:00,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8172 to 8172. [2021-11-12 22:26:00,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8172 states, 5553 states have (on average 1.2513956419953178) internal successors, (6949), 5768 states have internal predecessors, (6949), 2177 states have call successors, (2177), 411 states have call predecessors, (2177), 410 states have return successors, (2214), 2139 states have call predecessors, (2214), 2175 states have call successors, (2214) [2021-11-12 22:26:00,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8172 states to 8172 states and 11340 transitions. [2021-11-12 22:26:00,890 INFO L78 Accepts]: Start accepts. Automaton has 8172 states and 11340 transitions. Word has length 105 [2021-11-12 22:26:00,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:26:00,891 INFO L470 AbstractCegarLoop]: Abstraction has 8172 states and 11340 transitions. [2021-11-12 22:26:00,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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) [2021-11-12 22:26:00,891 INFO L276 IsEmpty]: Start isEmpty. Operand 8172 states and 11340 transitions. [2021-11-12 22:26:00,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-12 22:26:00,894 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:26:00,894 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:26:00,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-12 22:26:01,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:26:01,119 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:26:01,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:26:01,119 INFO L85 PathProgramCache]: Analyzing trace with hash 709050523, now seen corresponding path program 1 times [2021-11-12 22:26:01,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:26:01,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726989872] [2021-11-12 22:26:01,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:26:01,124 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:26:01,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:26:01,126 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:26:01,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-12 22:26:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:26:06,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 2084 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 22:26:06,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:26:07,673 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-12 22:26:07,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:26:08,672 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-12 22:26:08,672 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:26:08,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726989872] [2021-11-12 22:26:08,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1726989872] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:26:08,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:26:08,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2021-11-12 22:26:08,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761983060] [2021-11-12 22:26:08,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:26:08,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-12 22:26:08,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:26:08,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-12 22:26:08,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-11-12 22:26:08,675 INFO L87 Difference]: Start difference. First operand 8172 states and 11340 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-12 22:26:10,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:26:10,967 INFO L93 Difference]: Finished difference Result 19745 states and 27872 transitions. [2021-11-12 22:26:10,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-12 22:26:10,968 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) Word has length 131 [2021-11-12 22:26:10,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:26:11,025 INFO L225 Difference]: With dead ends: 19745 [2021-11-12 22:26:11,025 INFO L226 Difference]: Without dead ends: 11601 [2021-11-12 22:26:11,070 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-11-12 22:26:11,072 INFO L933 BasicCegarLoop]: 4327 mSDtfsCounter, 2709 mSDsluCounter, 28115 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 795 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1123.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3135 SdHoareTripleChecker+Valid, 32442 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 49.63ms SdHoareTripleChecker+Time, 795 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1323.50ms IncrementalHoareTripleChecker+Time [2021-11-12 22:26:11,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3135 Valid, 32442 Invalid, 835 Unknown, 0 Unchecked, 49.63ms Time], IncrementalHoareTripleChecker [795 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1323.50ms Time] [2021-11-12 22:26:11,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11601 states. [2021-11-12 22:26:11,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11601 to 8172. [2021-11-12 22:26:11,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8172 states, 5553 states have (on average 1.2512155591572123) internal successors, (6948), 5767 states have internal predecessors, (6948), 2177 states have call successors, (2177), 411 states have call predecessors, (2177), 410 states have return successors, (2214), 2139 states have call predecessors, (2214), 2175 states have call successors, (2214) [2021-11-12 22:26:11,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8172 states to 8172 states and 11339 transitions. [2021-11-12 22:26:11,766 INFO L78 Accepts]: Start accepts. Automaton has 8172 states and 11339 transitions. Word has length 131 [2021-11-12 22:26:11,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:26:11,767 INFO L470 AbstractCegarLoop]: Abstraction has 8172 states and 11339 transitions. [2021-11-12 22:26:11,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-12 22:26:11,767 INFO L276 IsEmpty]: Start isEmpty. Operand 8172 states and 11339 transitions. [2021-11-12 22:26:11,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-12 22:26:11,769 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:26:11,769 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:26:11,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-12 22:26:11,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:26:11,983 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:26:11,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:26:11,983 INFO L85 PathProgramCache]: Analyzing trace with hash -752995668, now seen corresponding path program 1 times [2021-11-12 22:26:11,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:26:11,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063475216] [2021-11-12 22:26:11,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:26:11,988 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:26:11,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:26:11,990 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:26:12,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-12 22:26:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:26:17,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 1946 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:26:17,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:26:18,242 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:26:18,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:26:18,665 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:26:18,665 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:26:18,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063475216] [2021-11-12 22:26:18,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063475216] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:26:18,667 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:26:18,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:26:18,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498021368] [2021-11-12 22:26:18,667 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:26:18,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:26:18,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:26:18,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:26:18,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:26:18,669 INFO L87 Difference]: Start difference. First operand 8172 states and 11339 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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) [2021-11-12 22:26:19,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:26:19,081 INFO L93 Difference]: Finished difference Result 8172 states and 11339 transitions. [2021-11-12 22:26:19,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:26:19,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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 111 [2021-11-12 22:26:19,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:26:19,118 INFO L225 Difference]: With dead ends: 8172 [2021-11-12 22:26:19,118 INFO L226 Difference]: Without dead ends: 8170 [2021-11-12 22:26:19,124 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:26:19,125 INFO L933 BasicCegarLoop]: 3808 mSDtfsCounter, 3719 mSDsluCounter, 3806 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3721 SdHoareTripleChecker+Valid, 7614 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.34ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.57ms IncrementalHoareTripleChecker+Time [2021-11-12 22:26:19,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3721 Valid, 7614 Invalid, 2 Unknown, 0 Unchecked, 10.34ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.57ms Time] [2021-11-12 22:26:19,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8170 states. [2021-11-12 22:26:19,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8170 to 8170. [2021-11-12 22:26:19,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8170 states, 5552 states have (on average 1.2510806916426513) internal successors, (6946), 5765 states have internal predecessors, (6946), 2177 states have call successors, (2177), 411 states have call predecessors, (2177), 410 states have return successors, (2214), 2139 states have call predecessors, (2214), 2175 states have call successors, (2214) [2021-11-12 22:26:19,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8170 states to 8170 states and 11337 transitions. [2021-11-12 22:26:19,724 INFO L78 Accepts]: Start accepts. Automaton has 8170 states and 11337 transitions. Word has length 111 [2021-11-12 22:26:19,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:26:19,725 INFO L470 AbstractCegarLoop]: Abstraction has 8170 states and 11337 transitions. [2021-11-12 22:26:19,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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) [2021-11-12 22:26:19,725 INFO L276 IsEmpty]: Start isEmpty. Operand 8170 states and 11337 transitions. [2021-11-12 22:26:19,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-12 22:26:19,727 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:26:19,727 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:26:19,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-12 22:26:19,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:26:19,943 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:26:19,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:26:19,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1050439848, now seen corresponding path program 1 times [2021-11-12 22:26:19,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:26:19,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396914377] [2021-11-12 22:26:19,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:26:19,948 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:26:19,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:26:19,949 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:26:19,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-12 22:26:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:26:25,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 2095 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:26:25,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:26:26,076 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-11-12 22:26:26,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:26:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-11-12 22:26:26,413 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:26:26,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [396914377] [2021-11-12 22:26:26,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [396914377] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:26:26,414 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:26:26,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:26:26,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974198793] [2021-11-12 22:26:26,414 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:26:26,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:26:26,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:26:26,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:26:26,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:26:26,416 INFO L87 Difference]: Start difference. First operand 8170 states and 11337 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-12 22:26:27,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:26:27,131 INFO L93 Difference]: Finished difference Result 16298 states and 22626 transitions. [2021-11-12 22:26:27,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 22:26:27,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 135 [2021-11-12 22:26:27,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:26:27,169 INFO L225 Difference]: With dead ends: 16298 [2021-11-12 22:26:27,170 INFO L226 Difference]: Without dead ends: 8160 [2021-11-12 22:26:27,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:26:27,200 INFO L933 BasicCegarLoop]: 3804 mSDtfsCounter, 3789 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 276.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3789 SdHoareTripleChecker+Valid, 3804 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.75ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 330.28ms IncrementalHoareTripleChecker+Time [2021-11-12 22:26:27,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3789 Valid, 3804 Invalid, 4 Unknown, 0 Unchecked, 5.75ms Time], IncrementalHoareTripleChecker [3 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 330.28ms Time] [2021-11-12 22:26:27,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8160 states. [2021-11-12 22:26:27,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8160 to 8160. [2021-11-12 22:26:27,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8160 states, 5543 states have (on average 1.2500451019303627) internal successors, (6929), 5755 states have internal predecessors, (6929), 2177 states have call successors, (2177), 411 states have call predecessors, (2177), 410 states have return successors, (2214), 2139 states have call predecessors, (2214), 2175 states have call successors, (2214) [2021-11-12 22:26:27,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8160 states to 8160 states and 11320 transitions. [2021-11-12 22:26:27,931 INFO L78 Accepts]: Start accepts. Automaton has 8160 states and 11320 transitions. Word has length 135 [2021-11-12 22:26:27,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:26:27,931 INFO L470 AbstractCegarLoop]: Abstraction has 8160 states and 11320 transitions. [2021-11-12 22:26:27,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-12 22:26:27,932 INFO L276 IsEmpty]: Start isEmpty. Operand 8160 states and 11320 transitions. [2021-11-12 22:26:27,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-12 22:26:27,934 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:26:27,934 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:26:27,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-12 22:26:28,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:26:28,151 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:26:28,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:26:28,151 INFO L85 PathProgramCache]: Analyzing trace with hash 573371918, now seen corresponding path program 1 times [2021-11-12 22:26:28,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:26:28,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322104235] [2021-11-12 22:26:28,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:26:28,155 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:26:28,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:26:28,155 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:26:28,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-12 22:26:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:26:33,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 1955 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:26:33,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:26:34,179 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:26:34,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:26:34,633 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:26:34,634 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:26:34,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322104235] [2021-11-12 22:26:34,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1322104235] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:26:34,634 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:26:34,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:26:34,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370019189] [2021-11-12 22:26:34,634 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:26:34,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:26:34,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:26:34,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:26:34,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:26:34,636 INFO L87 Difference]: Start difference. First operand 8160 states and 11320 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 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) [2021-11-12 22:26:35,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:26:35,208 INFO L93 Difference]: Finished difference Result 12103 states and 16687 transitions. [2021-11-12 22:26:35,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 22:26:35,208 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 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 117 [2021-11-12 22:26:35,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:26:35,357 INFO L225 Difference]: With dead ends: 12103 [2021-11-12 22:26:35,357 INFO L226 Difference]: Without dead ends: 12101 [2021-11-12 22:26:35,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:26:35,363 INFO L933 BasicCegarLoop]: 4719 mSDtfsCounter, 3696 mSDsluCounter, 10898 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3698 SdHoareTripleChecker+Valid, 15617 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.65ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.69ms IncrementalHoareTripleChecker+Time [2021-11-12 22:26:35,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3698 Valid, 15617 Invalid, 15 Unknown, 0 Unchecked, 16.65ms Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 33.69ms Time] [2021-11-12 22:26:35,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12101 states. [2021-11-12 22:26:36,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12101 to 12020. [2021-11-12 22:26:36,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12020 states, 8083 states have (on average 1.2440925398985525) internal successors, (10056), 8391 states have internal predecessors, (10056), 3265 states have call successors, (3265), 643 states have call predecessors, (3265), 642 states have return successors, (3302), 3215 states have call predecessors, (3302), 3263 states have call successors, (3302) [2021-11-12 22:26:36,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12020 states to 12020 states and 16623 transitions. [2021-11-12 22:26:36,178 INFO L78 Accepts]: Start accepts. Automaton has 12020 states and 16623 transitions. Word has length 117 [2021-11-12 22:26:36,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:26:36,178 INFO L470 AbstractCegarLoop]: Abstraction has 12020 states and 16623 transitions. [2021-11-12 22:26:36,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 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) [2021-11-12 22:26:36,179 INFO L276 IsEmpty]: Start isEmpty. Operand 12020 states and 16623 transitions. [2021-11-12 22:26:36,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-12 22:26:36,181 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:26:36,181 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:26:36,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-12 22:26:36,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:26:36,395 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:26:36,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:26:36,395 INFO L85 PathProgramCache]: Analyzing trace with hash 2070648911, now seen corresponding path program 1 times [2021-11-12 22:26:36,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:26:36,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [943399034] [2021-11-12 22:26:36,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:26:36,398 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:26:36,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:26:36,400 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:26:36,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-12 22:26:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:26:42,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 2108 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:26:42,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:26:42,591 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-11-12 22:26:42,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:26:42,963 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-11-12 22:26:42,963 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:26:42,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [943399034] [2021-11-12 22:26:42,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [943399034] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:26:42,963 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:26:42,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:26:42,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475396729] [2021-11-12 22:26:42,964 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:26:42,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:26:42,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:26:42,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:26:42,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:26:42,965 INFO L87 Difference]: Start difference. First operand 12020 states and 16623 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-12 22:26:43,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:26:43,993 INFO L93 Difference]: Finished difference Result 23998 states and 33198 transitions. [2021-11-12 22:26:43,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 22:26:43,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 144 [2021-11-12 22:26:43,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:26:44,044 INFO L225 Difference]: With dead ends: 23998 [2021-11-12 22:26:44,044 INFO L226 Difference]: Without dead ends: 12010 [2021-11-12 22:26:44,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:26:44,097 INFO L933 BasicCegarLoop]: 3799 mSDtfsCounter, 3782 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 294.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3782 SdHoareTripleChecker+Valid, 3799 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.88ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 352.72ms IncrementalHoareTripleChecker+Time [2021-11-12 22:26:44,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3782 Valid, 3799 Invalid, 6 Unknown, 0 Unchecked, 6.88ms Time], IncrementalHoareTripleChecker [5 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 352.72ms Time] [2021-11-12 22:26:44,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12010 states. [2021-11-12 22:26:45,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12010 to 12010. [2021-11-12 22:26:45,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12010 states, 8074 states have (on average 1.243373792420114) internal successors, (10039), 8381 states have internal predecessors, (10039), 3265 states have call successors, (3265), 643 states have call predecessors, (3265), 642 states have return successors, (3302), 3215 states have call predecessors, (3302), 3263 states have call successors, (3302) [2021-11-12 22:26:45,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12010 states to 12010 states and 16606 transitions. [2021-11-12 22:26:45,128 INFO L78 Accepts]: Start accepts. Automaton has 12010 states and 16606 transitions. Word has length 144 [2021-11-12 22:26:45,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:26:45,128 INFO L470 AbstractCegarLoop]: Abstraction has 12010 states and 16606 transitions. [2021-11-12 22:26:45,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-12 22:26:45,129 INFO L276 IsEmpty]: Start isEmpty. Operand 12010 states and 16606 transitions. [2021-11-12 22:26:45,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-12 22:26:45,130 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:26:45,131 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:26:45,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-12 22:26:45,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:26:45,347 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:26:45,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:26:45,348 INFO L85 PathProgramCache]: Analyzing trace with hash 267118934, now seen corresponding path program 1 times [2021-11-12 22:26:45,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:26:45,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1445308836] [2021-11-12 22:26:45,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:26:45,353 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:26:45,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:26:45,356 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:26:45,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-12 22:26:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:26:50,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 1964 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:26:50,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:26:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:26:51,608 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:26:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:26:52,079 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:26:52,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1445308836] [2021-11-12 22:26:52,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1445308836] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:26:52,080 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:26:52,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:26:52,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136864124] [2021-11-12 22:26:52,081 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:26:52,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:26:52,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:26:52,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:26:52,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:26:52,083 INFO L87 Difference]: Start difference. First operand 12010 states and 16606 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 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) [2021-11-12 22:26:52,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:26:52,745 INFO L93 Difference]: Finished difference Result 12010 states and 16606 transitions. [2021-11-12 22:26:52,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:26:52,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 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 123 [2021-11-12 22:26:52,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:26:52,789 INFO L225 Difference]: With dead ends: 12010 [2021-11-12 22:26:52,789 INFO L226 Difference]: Without dead ends: 12008 [2021-11-12 22:26:52,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:26:52,799 INFO L933 BasicCegarLoop]: 3796 mSDtfsCounter, 3692 mSDsluCounter, 7588 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3694 SdHoareTripleChecker+Valid, 11384 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.90ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.66ms IncrementalHoareTripleChecker+Time [2021-11-12 22:26:52,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3694 Valid, 11384 Invalid, 2 Unknown, 0 Unchecked, 13.90ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.66ms Time] [2021-11-12 22:26:52,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12008 states. [2021-11-12 22:26:53,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12008 to 12008. [2021-11-12 22:26:53,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12008 states, 8073 states have (on average 1.2431561996779388) internal successors, (10036), 8379 states have internal predecessors, (10036), 3265 states have call successors, (3265), 643 states have call predecessors, (3265), 642 states have return successors, (3302), 3215 states have call predecessors, (3302), 3263 states have call successors, (3302) [2021-11-12 22:26:53,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12008 states to 12008 states and 16603 transitions. [2021-11-12 22:26:53,891 INFO L78 Accepts]: Start accepts. Automaton has 12008 states and 16603 transitions. Word has length 123 [2021-11-12 22:26:53,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:26:53,891 INFO L470 AbstractCegarLoop]: Abstraction has 12008 states and 16603 transitions. [2021-11-12 22:26:53,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 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) [2021-11-12 22:26:53,891 INFO L276 IsEmpty]: Start isEmpty. Operand 12008 states and 16603 transitions. [2021-11-12 22:26:53,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-12 22:26:53,893 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:26:53,894 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:26:53,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-11-12 22:26:54,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:26:54,107 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:26:54,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:26:54,107 INFO L85 PathProgramCache]: Analyzing trace with hash -3420868, now seen corresponding path program 1 times [2021-11-12 22:26:54,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:26:54,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [559954250] [2021-11-12 22:26:54,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:26:54,111 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:26:54,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:26:54,112 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:26:54,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-12 22:26:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:26:59,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 1973 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:26:59,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:27:00,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:00,825 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:27:00,826 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:27:00,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [559954250] [2021-11-12 22:27:00,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [559954250] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:27:00,826 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:27:00,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:27:00,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481803745] [2021-11-12 22:27:00,826 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:27:00,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:27:00,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:27:00,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:27:00,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:27:00,828 INFO L87 Difference]: Start difference. First operand 12008 states and 16603 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 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) [2021-11-12 22:27:01,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:27:01,549 INFO L93 Difference]: Finished difference Result 12008 states and 16603 transitions. [2021-11-12 22:27:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:27:01,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 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 129 [2021-11-12 22:27:01,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:27:01,588 INFO L225 Difference]: With dead ends: 12008 [2021-11-12 22:27:01,588 INFO L226 Difference]: Without dead ends: 12006 [2021-11-12 22:27:01,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:27:01,595 INFO L933 BasicCegarLoop]: 3794 mSDtfsCounter, 3695 mSDsluCounter, 3788 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3697 SdHoareTripleChecker+Valid, 7582 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.66ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.70ms IncrementalHoareTripleChecker+Time [2021-11-12 22:27:01,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3697 Valid, 7582 Invalid, 2 Unknown, 0 Unchecked, 11.66ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.70ms Time] [2021-11-12 22:27:01,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12006 states. [2021-11-12 22:27:02,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12006 to 12006. [2021-11-12 22:27:02,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12006 states, 8072 states have (on average 1.2429385530227948) internal successors, (10033), 8377 states have internal predecessors, (10033), 3265 states have call successors, (3265), 643 states have call predecessors, (3265), 642 states have return successors, (3302), 3215 states have call predecessors, (3302), 3263 states have call successors, (3302) [2021-11-12 22:27:02,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12006 states to 12006 states and 16600 transitions. [2021-11-12 22:27:02,542 INFO L78 Accepts]: Start accepts. Automaton has 12006 states and 16600 transitions. Word has length 129 [2021-11-12 22:27:02,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:27:02,542 INFO L470 AbstractCegarLoop]: Abstraction has 12006 states and 16600 transitions. [2021-11-12 22:27:02,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 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) [2021-11-12 22:27:02,543 INFO L276 IsEmpty]: Start isEmpty. Operand 12006 states and 16600 transitions. [2021-11-12 22:27:02,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-12 22:27:02,544 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:27:02,544 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:27:02,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-12 22:27:02,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:27:02,745 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:27:02,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:27:02,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1409688997, now seen corresponding path program 1 times [2021-11-12 22:27:02,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:27:02,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226698963] [2021-11-12 22:27:02,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:02,749 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:27:02,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:27:02,750 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:27:02,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-12 22:27:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:27:08,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 2120 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:27:08,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:09,621 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-11-12 22:27:09,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:10,201 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-11-12 22:27:10,201 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:27:10,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1226698963] [2021-11-12 22:27:10,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1226698963] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:27:10,202 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:27:10,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-12 22:27:10,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960637386] [2021-11-12 22:27:10,202 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:27:10,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 22:27:10,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:27:10,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 22:27:10,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 22:27:10,203 INFO L87 Difference]: Start difference. First operand 12006 states and 16600 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (38), 4 states have call predecessors, (38), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-12 22:27:11,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:27:11,014 INFO L93 Difference]: Finished difference Result 12083 states and 16660 transitions. [2021-11-12 22:27:11,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 22:27:11,015 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (38), 4 states have call predecessors, (38), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 150 [2021-11-12 22:27:11,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:27:11,048 INFO L225 Difference]: With dead ends: 12083 [2021-11-12 22:27:11,048 INFO L226 Difference]: Without dead ends: 12081 [2021-11-12 22:27:11,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-12 22:27:11,055 INFO L933 BasicCegarLoop]: 4706 mSDtfsCounter, 3702 mSDsluCounter, 15574 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3703 SdHoareTripleChecker+Valid, 20280 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.87ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.12ms IncrementalHoareTripleChecker+Time [2021-11-12 22:27:11,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3703 Valid, 20280 Invalid, 18 Unknown, 0 Unchecked, 21.87ms Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 48.12ms Time] [2021-11-12 22:27:11,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12081 states. [2021-11-12 22:27:12,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12081 to 12004. [2021-11-12 22:27:12,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12004 states, 8071 states have (on average 1.2424730516664602) internal successors, (10028), 8375 states have internal predecessors, (10028), 3265 states have call successors, (3265), 643 states have call predecessors, (3265), 642 states have return successors, (3302), 3215 states have call predecessors, (3302), 3263 states have call successors, (3302) [2021-11-12 22:27:12,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12004 states to 12004 states and 16595 transitions. [2021-11-12 22:27:12,103 INFO L78 Accepts]: Start accepts. Automaton has 12004 states and 16595 transitions. Word has length 150 [2021-11-12 22:27:12,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:27:12,104 INFO L470 AbstractCegarLoop]: Abstraction has 12004 states and 16595 transitions. [2021-11-12 22:27:12,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (38), 4 states have call predecessors, (38), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-12 22:27:12,104 INFO L276 IsEmpty]: Start isEmpty. Operand 12004 states and 16595 transitions. [2021-11-12 22:27:12,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-12 22:27:12,106 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:27:12,106 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:27:12,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2021-11-12 22:27:12,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:27:12,311 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:27:12,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:27:12,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1007655359, now seen corresponding path program 1 times [2021-11-12 22:27:12,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:27:12,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141584874] [2021-11-12 22:27:12,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:12,315 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:27:12,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:27:12,316 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:27:12,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-12 22:27:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:27:17,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 1976 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:27:17,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:18,711 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:27:18,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:19,306 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:27:19,306 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:27:19,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1141584874] [2021-11-12 22:27:19,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1141584874] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:27:19,306 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:27:19,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:27:19,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917406599] [2021-11-12 22:27:19,307 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:27:19,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:27:19,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:27:19,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:27:19,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:27:19,309 INFO L87 Difference]: Start difference. First operand 12004 states and 16595 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 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) [2021-11-12 22:27:20,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:27:20,161 INFO L93 Difference]: Finished difference Result 12004 states and 16595 transitions. [2021-11-12 22:27:20,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:27:20,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 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 131 [2021-11-12 22:27:20,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:27:20,195 INFO L225 Difference]: With dead ends: 12004 [2021-11-12 22:27:20,195 INFO L226 Difference]: Without dead ends: 12002 [2021-11-12 22:27:20,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:27:20,202 INFO L933 BasicCegarLoop]: 3790 mSDtfsCounter, 3681 mSDsluCounter, 3788 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3683 SdHoareTripleChecker+Valid, 7578 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.92ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.58ms IncrementalHoareTripleChecker+Time [2021-11-12 22:27:20,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3683 Valid, 7578 Invalid, 2 Unknown, 0 Unchecked, 11.92ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.58ms Time] [2021-11-12 22:27:20,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12002 states. [2021-11-12 22:27:21,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12002 to 12002. [2021-11-12 22:27:21,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12002 states, 8070 states have (on average 1.242255266418835) internal successors, (10025), 8373 states have internal predecessors, (10025), 3265 states have call successors, (3265), 643 states have call predecessors, (3265), 642 states have return successors, (3302), 3215 states have call predecessors, (3302), 3263 states have call successors, (3302) [2021-11-12 22:27:21,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12002 states to 12002 states and 16592 transitions. [2021-11-12 22:27:21,082 INFO L78 Accepts]: Start accepts. Automaton has 12002 states and 16592 transitions. Word has length 131 [2021-11-12 22:27:21,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:27:21,083 INFO L470 AbstractCegarLoop]: Abstraction has 12002 states and 16592 transitions. [2021-11-12 22:27:21,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 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) [2021-11-12 22:27:21,083 INFO L276 IsEmpty]: Start isEmpty. Operand 12002 states and 16592 transitions. [2021-11-12 22:27:21,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-12 22:27:21,085 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:27:21,085 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:27:21,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-12 22:27:21,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:27:21,286 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:27:21,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:27:21,286 INFO L85 PathProgramCache]: Analyzing trace with hash -765175443, now seen corresponding path program 1 times [2021-11-12 22:27:21,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:27:21,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1867779746] [2021-11-12 22:27:21,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:21,290 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:27:21,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:27:21,290 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:27:21,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-12 22:27:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:27:26,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 1985 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:27:26,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:27:27,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:28,100 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:27:28,100 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:27:28,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1867779746] [2021-11-12 22:27:28,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1867779746] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:27:28,101 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:27:28,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:27:28,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153792567] [2021-11-12 22:27:28,101 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:27:28,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:27:28,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:27:28,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:27:28,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:27:28,103 INFO L87 Difference]: Start difference. First operand 12002 states and 16592 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 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) [2021-11-12 22:27:28,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:27:28,873 INFO L93 Difference]: Finished difference Result 12002 states and 16592 transitions. [2021-11-12 22:27:28,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:27:28,874 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 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 137 [2021-11-12 22:27:28,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:27:28,903 INFO L225 Difference]: With dead ends: 12002 [2021-11-12 22:27:28,903 INFO L226 Difference]: Without dead ends: 12000 [2021-11-12 22:27:28,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:27:28,908 INFO L933 BasicCegarLoop]: 3788 mSDtfsCounter, 3670 mSDsluCounter, 7572 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3672 SdHoareTripleChecker+Valid, 11360 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.76ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.58ms IncrementalHoareTripleChecker+Time [2021-11-12 22:27:28,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3672 Valid, 11360 Invalid, 2 Unknown, 0 Unchecked, 13.76ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.58ms Time] [2021-11-12 22:27:28,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12000 states. [2021-11-12 22:27:29,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12000 to 12000. [2021-11-12 22:27:29,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12000 states, 8069 states have (on average 1.2420374271904822) internal successors, (10022), 8371 states have internal predecessors, (10022), 3265 states have call successors, (3265), 643 states have call predecessors, (3265), 642 states have return successors, (3302), 3215 states have call predecessors, (3302), 3263 states have call successors, (3302) [2021-11-12 22:27:29,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12000 states to 12000 states and 16589 transitions. [2021-11-12 22:27:29,839 INFO L78 Accepts]: Start accepts. Automaton has 12000 states and 16589 transitions. Word has length 137 [2021-11-12 22:27:29,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:27:29,840 INFO L470 AbstractCegarLoop]: Abstraction has 12000 states and 16589 transitions. [2021-11-12 22:27:29,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 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) [2021-11-12 22:27:29,840 INFO L276 IsEmpty]: Start isEmpty. Operand 12000 states and 16589 transitions. [2021-11-12 22:27:29,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-12 22:27:29,842 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:27:29,842 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:27:29,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-12 22:27:30,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:27:30,051 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:27:30,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:27:30,051 INFO L85 PathProgramCache]: Analyzing trace with hash 251184185, now seen corresponding path program 1 times [2021-11-12 22:27:30,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:27:30,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735455153] [2021-11-12 22:27:30,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:30,056 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:27:30,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:27:30,057 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:27:30,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-12 22:27:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:27:35,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 2150 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:27:35,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:37,052 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-11-12 22:27:37,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:37,693 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-11-12 22:27:37,694 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:27:37,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735455153] [2021-11-12 22:27:37,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735455153] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:27:37,694 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:27:37,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-12 22:27:37,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841685514] [2021-11-12 22:27:37,694 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:27:37,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 22:27:37,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:27:37,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 22:27:37,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 22:27:37,701 INFO L87 Difference]: Start difference. First operand 12000 states and 16589 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-12 22:27:38,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:27:38,602 INFO L93 Difference]: Finished difference Result 12000 states and 16589 transitions. [2021-11-12 22:27:38,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 22:27:38,602 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 169 [2021-11-12 22:27:38,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:27:38,644 INFO L225 Difference]: With dead ends: 12000 [2021-11-12 22:27:38,644 INFO L226 Difference]: Without dead ends: 11998 [2021-11-12 22:27:38,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-12 22:27:38,650 INFO L933 BasicCegarLoop]: 3783 mSDtfsCounter, 3701 mSDsluCounter, 11345 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3702 SdHoareTripleChecker+Valid, 15128 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.72ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.54ms IncrementalHoareTripleChecker+Time [2021-11-12 22:27:38,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3702 Valid, 15128 Invalid, 14 Unknown, 0 Unchecked, 17.72ms Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 37.54ms Time] [2021-11-12 22:27:38,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11998 states. [2021-11-12 22:27:39,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11998 to 11998. [2021-11-12 22:27:39,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11998 states, 8068 states have (on average 1.2410758552305403) internal successors, (10013), 8369 states have internal predecessors, (10013), 3265 states have call successors, (3265), 643 states have call predecessors, (3265), 642 states have return successors, (3302), 3215 states have call predecessors, (3302), 3263 states have call successors, (3302) [2021-11-12 22:27:39,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11998 states to 11998 states and 16580 transitions. [2021-11-12 22:27:39,621 INFO L78 Accepts]: Start accepts. Automaton has 11998 states and 16580 transitions. Word has length 169 [2021-11-12 22:27:39,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:27:39,622 INFO L470 AbstractCegarLoop]: Abstraction has 11998 states and 16580 transitions. [2021-11-12 22:27:39,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-12 22:27:39,622 INFO L276 IsEmpty]: Start isEmpty. Operand 11998 states and 16580 transitions. [2021-11-12 22:27:39,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-12 22:27:39,624 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:27:39,624 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:27:39,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-12 22:27:39,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:27:39,830 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:27:39,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:27:39,831 INFO L85 PathProgramCache]: Analyzing trace with hash 26893687, now seen corresponding path program 1 times [2021-11-12 22:27:39,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:27:39,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1717892370] [2021-11-12 22:27:39,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:39,835 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:27:39,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:27:39,836 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:27:39,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-12 22:27:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:27:45,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 1994 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:27:45,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:46,284 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:27:46,284 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:46,796 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:27:46,796 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:27:46,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1717892370] [2021-11-12 22:27:46,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1717892370] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:27:46,796 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:27:46,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:27:46,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161483758] [2021-11-12 22:27:46,797 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:27:46,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:27:46,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:27:46,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:27:46,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:27:46,798 INFO L87 Difference]: Start difference. First operand 11998 states and 16580 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-12 22:27:47,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:27:47,668 INFO L93 Difference]: Finished difference Result 11998 states and 16580 transitions. [2021-11-12 22:27:47,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:27:47,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 143 [2021-11-12 22:27:47,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:27:47,699 INFO L225 Difference]: With dead ends: 11998 [2021-11-12 22:27:47,700 INFO L226 Difference]: Without dead ends: 11996 [2021-11-12 22:27:47,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:27:47,706 INFO L933 BasicCegarLoop]: 3784 mSDtfsCounter, 3660 mSDsluCounter, 7564 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3662 SdHoareTripleChecker+Valid, 11348 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.91ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.52ms IncrementalHoareTripleChecker+Time [2021-11-12 22:27:47,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3662 Valid, 11348 Invalid, 2 Unknown, 0 Unchecked, 14.91ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.52ms Time] [2021-11-12 22:27:47,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11996 states. [2021-11-12 22:27:48,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11996 to 11996. [2021-11-12 22:27:48,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11996 states, 8067 states have (on average 1.240857815792736) internal successors, (10010), 8367 states have internal predecessors, (10010), 3265 states have call successors, (3265), 643 states have call predecessors, (3265), 642 states have return successors, (3302), 3215 states have call predecessors, (3302), 3263 states have call successors, (3302) [2021-11-12 22:27:48,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11996 states to 11996 states and 16577 transitions. [2021-11-12 22:27:48,705 INFO L78 Accepts]: Start accepts. Automaton has 11996 states and 16577 transitions. Word has length 143 [2021-11-12 22:27:48,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:27:48,705 INFO L470 AbstractCegarLoop]: Abstraction has 11996 states and 16577 transitions. [2021-11-12 22:27:48,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-12 22:27:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 11996 states and 16577 transitions. [2021-11-12 22:27:48,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-12 22:27:48,707 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:27:48,707 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:27:48,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-12 22:27:48,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:27:48,908 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:27:48,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:27:48,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1355857443, now seen corresponding path program 1 times [2021-11-12 22:27:48,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:27:48,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1851733638] [2021-11-12 22:27:48,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:48,912 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:27:48,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:27:48,913 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:27:48,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-12 22:27:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:27:54,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 2003 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:27:54,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:55,423 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:27:55,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:55,950 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:27:55,950 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:27:55,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1851733638] [2021-11-12 22:27:55,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1851733638] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:27:55,951 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:27:55,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:27:55,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847930435] [2021-11-12 22:27:55,951 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:27:55,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:27:55,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:27:55,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:27:55,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:27:55,953 INFO L87 Difference]: Start difference. First operand 11996 states and 16577 transitions. Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 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) [2021-11-12 22:27:56,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:27:56,999 INFO L93 Difference]: Finished difference Result 11996 states and 16577 transitions. [2021-11-12 22:27:56,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:27:56,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 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 149 [2021-11-12 22:27:57,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:27:57,030 INFO L225 Difference]: With dead ends: 11996 [2021-11-12 22:27:57,030 INFO L226 Difference]: Without dead ends: 11994 [2021-11-12 22:27:57,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:27:57,037 INFO L933 BasicCegarLoop]: 3782 mSDtfsCounter, 3652 mSDsluCounter, 7560 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3654 SdHoareTripleChecker+Valid, 11342 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.58ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.60ms IncrementalHoareTripleChecker+Time [2021-11-12 22:27:57,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3654 Valid, 11342 Invalid, 2 Unknown, 0 Unchecked, 15.58ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.60ms Time] [2021-11-12 22:27:57,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11994 states. [2021-11-12 22:27:57,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11994 to 11994. [2021-11-12 22:27:58,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11994 states, 8066 states have (on average 1.2406397222910985) internal successors, (10007), 8365 states have internal predecessors, (10007), 3265 states have call successors, (3265), 643 states have call predecessors, (3265), 642 states have return successors, (3302), 3215 states have call predecessors, (3302), 3263 states have call successors, (3302) [2021-11-12 22:27:58,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11994 states to 11994 states and 16574 transitions. [2021-11-12 22:27:58,043 INFO L78 Accepts]: Start accepts. Automaton has 11994 states and 16574 transitions. Word has length 149 [2021-11-12 22:27:58,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:27:58,043 INFO L470 AbstractCegarLoop]: Abstraction has 11994 states and 16574 transitions. [2021-11-12 22:27:58,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 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) [2021-11-12 22:27:58,044 INFO L276 IsEmpty]: Start isEmpty. Operand 11994 states and 16574 transitions. [2021-11-12 22:27:58,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-12 22:27:58,045 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:27:58,045 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:27:58,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-12 22:27:58,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:27:58,246 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:27:58,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:27:58,246 INFO L85 PathProgramCache]: Analyzing trace with hash 465476110, now seen corresponding path program 1 times [2021-11-12 22:27:58,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:27:58,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1074509026] [2021-11-12 22:27:58,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:58,250 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:27:58,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:27:58,251 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:27:58,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-12 22:28:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:28:04,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 2223 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-12 22:28:04,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:28:04,982 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-12 22:28:04,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:28:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-11-12 22:28:06,041 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:28:06,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1074509026] [2021-11-12 22:28:06,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1074509026] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:28:06,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:28:06,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-11-12 22:28:06,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628156775] [2021-11-12 22:28:06,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:28:06,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 22:28:06,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:28:06,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 22:28:06,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-12 22:28:06,044 INFO L87 Difference]: Start difference. First operand 11994 states and 16574 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-12 22:28:07,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:28:07,557 INFO L93 Difference]: Finished difference Result 27686 states and 38798 transitions. [2021-11-12 22:28:07,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 22:28:07,561 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) Word has length 177 [2021-11-12 22:28:07,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:28:07,607 INFO L225 Difference]: With dead ends: 27686 [2021-11-12 22:28:07,607 INFO L226 Difference]: Without dead ends: 15724 [2021-11-12 22:28:07,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-12 22:28:07,657 INFO L933 BasicCegarLoop]: 4601 mSDtfsCounter, 388 mSDsluCounter, 22396 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 105.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 26997 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.38ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 115.11ms IncrementalHoareTripleChecker+Time [2021-11-12 22:28:07,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [607 Valid, 26997 Invalid, 24 Unknown, 0 Unchecked, 25.38ms Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 115.11ms Time] [2021-11-12 22:28:07,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15724 states. [2021-11-12 22:28:08,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15724 to 12022. [2021-11-12 22:28:08,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12022 states, 8086 states have (on average 1.2400445213950038) internal successors, (10027), 8385 states have internal predecessors, (10027), 3265 states have call successors, (3265), 643 states have call predecessors, (3265), 650 states have return successors, (3349), 3223 states have call predecessors, (3349), 3263 states have call successors, (3349) [2021-11-12 22:28:08,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12022 states to 12022 states and 16641 transitions. [2021-11-12 22:28:08,854 INFO L78 Accepts]: Start accepts. Automaton has 12022 states and 16641 transitions. Word has length 177 [2021-11-12 22:28:08,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:28:08,854 INFO L470 AbstractCegarLoop]: Abstraction has 12022 states and 16641 transitions. [2021-11-12 22:28:08,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-12 22:28:08,855 INFO L276 IsEmpty]: Start isEmpty. Operand 12022 states and 16641 transitions. [2021-11-12 22:28:08,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-12 22:28:08,857 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:28:08,857 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:28:08,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-12 22:28:09,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:28:09,071 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:28:09,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:28:09,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1501318055, now seen corresponding path program 1 times [2021-11-12 22:28:09,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:28:09,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1494754296] [2021-11-12 22:28:09,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:28:09,075 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:28:09,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:28:09,075 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:28:09,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-12 22:28:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:28:14,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 2012 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:28:14,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:28:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:28:15,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:28:16,161 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:28:16,161 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:28:16,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1494754296] [2021-11-12 22:28:16,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1494754296] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:28:16,161 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:28:16,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:28:16,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38171654] [2021-11-12 22:28:16,162 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:28:16,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:28:16,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:28:16,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:28:16,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:28:16,163 INFO L87 Difference]: Start difference. First operand 12022 states and 16641 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 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) [2021-11-12 22:28:17,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:28:17,150 INFO L93 Difference]: Finished difference Result 12022 states and 16641 transitions. [2021-11-12 22:28:17,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:28:17,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 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 155 [2021-11-12 22:28:17,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:28:17,183 INFO L225 Difference]: With dead ends: 12022 [2021-11-12 22:28:17,184 INFO L226 Difference]: Without dead ends: 12020 [2021-11-12 22:28:17,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:28:17,190 INFO L933 BasicCegarLoop]: 3780 mSDtfsCounter, 3644 mSDsluCounter, 7556 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3646 SdHoareTripleChecker+Valid, 11336 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.21ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.01ms IncrementalHoareTripleChecker+Time [2021-11-12 22:28:17,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3646 Valid, 11336 Invalid, 2 Unknown, 0 Unchecked, 15.21ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.01ms Time] [2021-11-12 22:28:17,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12020 states. [2021-11-12 22:28:18,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12020 to 12020. [2021-11-12 22:28:18,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12020 states, 8085 states have (on average 1.2398268398268397) internal successors, (10024), 8383 states have internal predecessors, (10024), 3265 states have call successors, (3265), 643 states have call predecessors, (3265), 650 states have return successors, (3349), 3223 states have call predecessors, (3349), 3263 states have call successors, (3349) [2021-11-12 22:28:18,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12020 states to 12020 states and 16638 transitions. [2021-11-12 22:28:18,317 INFO L78 Accepts]: Start accepts. Automaton has 12020 states and 16638 transitions. Word has length 155 [2021-11-12 22:28:18,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:28:18,318 INFO L470 AbstractCegarLoop]: Abstraction has 12020 states and 16638 transitions. [2021-11-12 22:28:18,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 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) [2021-11-12 22:28:18,318 INFO L276 IsEmpty]: Start isEmpty. Operand 12020 states and 16638 transitions. [2021-11-12 22:28:18,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-12 22:28:18,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:28:18,321 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:28:18,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-12 22:28:18,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:28:18,521 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:28:18,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:28:18,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1783608216, now seen corresponding path program 1 times [2021-11-12 22:28:18,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:28:18,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990550614] [2021-11-12 22:28:18,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:28:18,525 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:28:18,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:28:18,526 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:28:18,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-12 22:28:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:28:24,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 2255 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:28:24,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:28:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-11-12 22:28:25,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:28:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-11-12 22:28:25,626 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:28:25,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [990550614] [2021-11-12 22:28:25,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [990550614] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:28:25,626 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:28:25,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 3] imperfect sequences [] total 6 [2021-11-12 22:28:25,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686539596] [2021-11-12 22:28:25,626 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:28:25,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 22:28:25,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:28:25,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 22:28:25,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:28:25,628 INFO L87 Difference]: Start difference. First operand 12020 states and 16638 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 4 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-12 22:28:40,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:28:40,120 INFO L93 Difference]: Finished difference Result 37370 states and 53462 transitions. [2021-11-12 22:28:40,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 22:28:40,121 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 4 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 193 [2021-11-12 22:28:40,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:28:40,205 INFO L225 Difference]: With dead ends: 37370 [2021-11-12 22:28:40,205 INFO L226 Difference]: Without dead ends: 25382 [2021-11-12 22:28:40,233 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 378 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:28:40,234 INFO L933 BasicCegarLoop]: 7218 mSDtfsCounter, 2274 mSDsluCounter, 17855 mSDsCounter, 0 mSdLazyCounter, 2425 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10394.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3250 SdHoareTripleChecker+Valid, 25073 SdHoareTripleChecker+Invalid, 2650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 51.09ms SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 2425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11178.03ms IncrementalHoareTripleChecker+Time [2021-11-12 22:28:40,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3250 Valid, 25073 Invalid, 2650 Unknown, 0 Unchecked, 51.09ms Time], IncrementalHoareTripleChecker [225 Valid, 2425 Invalid, 0 Unknown, 0 Unchecked, 11178.03ms Time] [2021-11-12 22:28:40,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25382 states. [2021-11-12 22:28:41,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25382 to 13144. [2021-11-12 22:28:41,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13144 states, 8867 states have (on average 1.2407804217886547) internal successors, (11002), 9193 states have internal predecessors, (11002), 3607 states have call successors, (3607), 643 states have call predecessors, (3607), 650 states have return successors, (3715), 3551 states have call predecessors, (3715), 3605 states have call successors, (3715) [2021-11-12 22:28:41,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13144 states to 13144 states and 18324 transitions. [2021-11-12 22:28:41,894 INFO L78 Accepts]: Start accepts. Automaton has 13144 states and 18324 transitions. Word has length 193 [2021-11-12 22:28:41,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:28:41,895 INFO L470 AbstractCegarLoop]: Abstraction has 13144 states and 18324 transitions. [2021-11-12 22:28:41,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 4 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-12 22:28:41,895 INFO L276 IsEmpty]: Start isEmpty. Operand 13144 states and 18324 transitions. [2021-11-12 22:28:41,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-12 22:28:41,897 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:28:41,897 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:28:41,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Ended with exit code 0 [2021-11-12 22:28:42,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:28:42,108 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:28:42,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:28:42,109 INFO L85 PathProgramCache]: Analyzing trace with hash 941710248, now seen corresponding path program 1 times [2021-11-12 22:28:42,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:28:42,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [38718007] [2021-11-12 22:28:42,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:28:42,112 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:28:42,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:28:42,113 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:28:42,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-12 22:28:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:28:47,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 2021 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:28:47,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:28:48,590 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:28:48,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:28:49,150 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:28:49,150 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:28:49,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [38718007] [2021-11-12 22:28:49,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [38718007] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:28:49,150 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:28:49,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:28:49,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547957641] [2021-11-12 22:28:49,151 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:28:49,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:28:49,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:28:49,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:28:49,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:28:49,152 INFO L87 Difference]: Start difference. First operand 13144 states and 18324 transitions. Second operand has 5 states, 5 states have (on average 33.8) internal successors, (169), 5 states have internal predecessors, (169), 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) [2021-11-12 22:28:50,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:28:50,381 INFO L93 Difference]: Finished difference Result 13144 states and 18324 transitions. [2021-11-12 22:28:50,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:28:50,382 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 5 states have internal predecessors, (169), 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 161 [2021-11-12 22:28:50,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:28:50,414 INFO L225 Difference]: With dead ends: 13144 [2021-11-12 22:28:50,415 INFO L226 Difference]: Without dead ends: 13142 [2021-11-12 22:28:50,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:28:50,421 INFO L933 BasicCegarLoop]: 3778 mSDtfsCounter, 3636 mSDsluCounter, 7552 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3638 SdHoareTripleChecker+Valid, 11330 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.67ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.78ms IncrementalHoareTripleChecker+Time [2021-11-12 22:28:50,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3638 Valid, 11330 Invalid, 2 Unknown, 0 Unchecked, 14.67ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.78ms Time] [2021-11-12 22:28:50,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13142 states. [2021-11-12 22:28:51,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13142 to 13142. [2021-11-12 22:28:51,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13142 states, 8866 states have (on average 1.2405819986465147) internal successors, (10999), 9191 states have internal predecessors, (10999), 3607 states have call successors, (3607), 643 states have call predecessors, (3607), 650 states have return successors, (3715), 3551 states have call predecessors, (3715), 3605 states have call successors, (3715) [2021-11-12 22:28:51,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13142 states to 13142 states and 18321 transitions. [2021-11-12 22:28:51,748 INFO L78 Accepts]: Start accepts. Automaton has 13142 states and 18321 transitions. Word has length 161 [2021-11-12 22:28:51,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:28:51,748 INFO L470 AbstractCegarLoop]: Abstraction has 13142 states and 18321 transitions. [2021-11-12 22:28:51,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 5 states have internal predecessors, (169), 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) [2021-11-12 22:28:51,748 INFO L276 IsEmpty]: Start isEmpty. Operand 13142 states and 18321 transitions. [2021-11-12 22:28:51,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-12 22:28:51,750 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:28:51,751 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:28:51,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-12 22:28:51,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:28:51,951 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:28:51,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:28:51,952 INFO L85 PathProgramCache]: Analyzing trace with hash 2144289215, now seen corresponding path program 1 times [2021-11-12 22:28:51,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:28:51,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [521321577] [2021-11-12 22:28:51,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:28:51,956 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:28:51,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:28:51,956 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:28:51,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-12 22:28:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:28:57,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 2263 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-12 22:28:57,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:28:58,626 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-12 22:28:58,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:28:59,672 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-11-12 22:28:59,673 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:28:59,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [521321577] [2021-11-12 22:28:59,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [521321577] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:28:59,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:28:59,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-11-12 22:28:59,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532097445] [2021-11-12 22:28:59,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:28:59,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 22:28:59,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:28:59,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 22:28:59,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-12 22:28:59,675 INFO L87 Difference]: Start difference. First operand 13142 states and 18321 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 4 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 22:29:01,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:29:01,702 INFO L93 Difference]: Finished difference Result 29962 states and 42232 transitions. [2021-11-12 22:29:01,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 22:29:01,705 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 4 states have call predecessors, (22), 2 states have call successors, (22) Word has length 192 [2021-11-12 22:29:01,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:29:01,749 INFO L225 Difference]: With dead ends: 29962 [2021-11-12 22:29:01,749 INFO L226 Difference]: Without dead ends: 16852 [2021-11-12 22:29:01,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-12 22:29:01,780 INFO L933 BasicCegarLoop]: 4601 mSDtfsCounter, 388 mSDsluCounter, 22394 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 26995 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.89ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 107.37ms IncrementalHoareTripleChecker+Time [2021-11-12 22:29:01,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [607 Valid, 26995 Invalid, 24 Unknown, 0 Unchecked, 24.89ms Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 107.37ms Time] [2021-11-12 22:29:01,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16852 states. [2021-11-12 22:29:03,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16852 to 13150. [2021-11-12 22:29:03,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13150 states, 8874 states have (on average 1.2403651115618661) internal successors, (11007), 9195 states have internal predecessors, (11007), 3607 states have call successors, (3607), 643 states have call predecessors, (3607), 650 states have return successors, (3715), 3555 states have call predecessors, (3715), 3605 states have call successors, (3715) [2021-11-12 22:29:03,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13150 states to 13150 states and 18329 transitions. [2021-11-12 22:29:03,268 INFO L78 Accepts]: Start accepts. Automaton has 13150 states and 18329 transitions. Word has length 192 [2021-11-12 22:29:03,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:29:03,268 INFO L470 AbstractCegarLoop]: Abstraction has 13150 states and 18329 transitions. [2021-11-12 22:29:03,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 4 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 22:29:03,269 INFO L276 IsEmpty]: Start isEmpty. Operand 13150 states and 18329 transitions. [2021-11-12 22:29:03,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-12 22:29:03,272 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:29:03,272 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:29:03,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Ended with exit code 0 [2021-11-12 22:29:03,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:29:03,487 INFO L402 AbstractCegarLoop]: === Iteration 27 === 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 33 more)] === [2021-11-12 22:29:03,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:29:03,487 INFO L85 PathProgramCache]: Analyzing trace with hash -189758162, now seen corresponding path program 1 times [2021-11-12 22:29:03,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:29:03,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071370735] [2021-11-12 22:29:03,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:29:03,491 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:29:03,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:29:03,492 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:29:03,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-12 22:29:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:29:08,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 2030 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:29:08,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:29:09,988 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:29:09,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:29:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:29:10,984 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:29:10,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071370735] [2021-11-12 22:29:10,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2071370735] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:29:10,985 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:29:10,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-12 22:29:10,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735608937] [2021-11-12 22:29:10,986 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:29:10,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 22:29:10,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:29:10,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 22:29:10,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:29:10,988 INFO L87 Difference]: Start difference. First operand 13150 states and 18329 transitions. Second operand has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 3 states have call successors, (52), 3 states have call predecessors, (52), 2 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-11-12 22:29:12,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:29:12,288 INFO L93 Difference]: Finished difference Result 13150 states and 18329 transitions. [2021-11-12 22:29:12,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:29:12,289 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 3 states have call successors, (52), 3 states have call predecessors, (52), 2 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 167 [2021-11-12 22:29:12,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:29:12,413 INFO L225 Difference]: With dead ends: 13150 [2021-11-12 22:29:12,413 INFO L226 Difference]: Without dead ends: 13148 [2021-11-12 22:29:12,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 22:29:12,417 INFO L933 BasicCegarLoop]: 3776 mSDtfsCounter, 3700 mSDsluCounter, 7548 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3702 SdHoareTripleChecker+Valid, 11324 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.58ms SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.93ms IncrementalHoareTripleChecker+Time [2021-11-12 22:29:12,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3702 Valid, 11324 Invalid, 29 Unknown, 0 Unchecked, 14.58ms Time], IncrementalHoareTripleChecker [27 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 27.93ms Time] [2021-11-12 22:29:12,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13148 states. [2021-11-12 22:29:13,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13148 to 13148. [2021-11-12 22:29:13,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13148 states, 8873 states have (on average 1.2401667981516962) internal successors, (11004), 9193 states have internal predecessors, (11004), 3607 states have call successors, (3607), 643 states have call predecessors, (3607), 650 states have return successors, (3715), 3555 states have call predecessors, (3715), 3605 states have call successors, (3715) [2021-11-12 22:29:13,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13148 states to 13148 states and 18326 transitions. [2021-11-12 22:29:13,823 INFO L78 Accepts]: Start accepts. Automaton has 13148 states and 18326 transitions. Word has length 167 [2021-11-12 22:29:13,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:29:13,824 INFO L470 AbstractCegarLoop]: Abstraction has 13148 states and 18326 transitions. [2021-11-12 22:29:13,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 3 states have call successors, (52), 3 states have call predecessors, (52), 2 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-11-12 22:29:13,824 INFO L276 IsEmpty]: Start isEmpty. Operand 13148 states and 18326 transitions. [2021-11-12 22:29:13,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-12 22:29:13,827 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:29:13,827 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:29:13,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-12 22:29:14,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:29:14,043 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:29:14,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:29:14,044 INFO L85 PathProgramCache]: Analyzing trace with hash 361055781, now seen corresponding path program 1 times [2021-11-12 22:29:14,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:29:14,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826207294] [2021-11-12 22:29:14,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:29:14,047 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:29:14,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:29:14,048 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:29:14,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-12 22:29:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:29:20,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 2295 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 22:29:20,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:29:20,771 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2021-11-12 22:29:20,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:29:21,671 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-11-12 22:29:21,671 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:29:21,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826207294] [2021-11-12 22:29:21,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1826207294] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:29:21,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:29:21,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 13 [2021-11-12 22:29:21,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950635738] [2021-11-12 22:29:21,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:29:21,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 22:29:21,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:29:21,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 22:29:21,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-12 22:29:21,673 INFO L87 Difference]: Start difference. First operand 13148 states and 18326 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-12 22:29:26,741 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:29:30,855 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:29:32,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:29:32,157 INFO L93 Difference]: Finished difference Result 38628 states and 55358 transitions. [2021-11-12 22:29:32,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 22:29:32,158 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) Word has length 208 [2021-11-12 22:29:32,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:29:32,232 INFO L225 Difference]: With dead ends: 38628 [2021-11-12 22:29:32,232 INFO L226 Difference]: Without dead ends: 25512 [2021-11-12 22:29:32,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-11-12 22:29:32,270 INFO L933 BasicCegarLoop]: 6471 mSDtfsCounter, 4251 mSDsluCounter, 33518 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2056 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5931.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4472 SdHoareTripleChecker+Valid, 39989 SdHoareTripleChecker+Invalid, 2111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 60.21ms SdHoareTripleChecker+Time, 2056 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6340.34ms IncrementalHoareTripleChecker+Time [2021-11-12 22:29:32,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4472 Valid, 39989 Invalid, 2111 Unknown, 0 Unchecked, 60.21ms Time], IncrementalHoareTripleChecker [2056 Valid, 53 Invalid, 2 Unknown, 0 Unchecked, 6340.34ms Time] [2021-11-12 22:29:32,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25512 states. [2021-11-12 22:29:34,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25512 to 13168. [2021-11-12 22:29:34,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13168 states, 8893 states have (on average 1.239626672663893) internal successors, (11024), 9209 states have internal predecessors, (11024), 3607 states have call successors, (3607), 643 states have call predecessors, (3607), 650 states have return successors, (3715), 3559 states have call predecessors, (3715), 3605 states have call successors, (3715) [2021-11-12 22:29:34,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13168 states to 13168 states and 18346 transitions. [2021-11-12 22:29:34,462 INFO L78 Accepts]: Start accepts. Automaton has 13168 states and 18346 transitions. Word has length 208 [2021-11-12 22:29:34,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:29:34,462 INFO L470 AbstractCegarLoop]: Abstraction has 13168 states and 18346 transitions. [2021-11-12 22:29:34,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-12 22:29:34,463 INFO L276 IsEmpty]: Start isEmpty. Operand 13168 states and 18346 transitions. [2021-11-12 22:29:34,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-12 22:29:34,466 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:29:34,466 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:29:34,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-12 22:29:34,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:29:34,691 INFO L402 AbstractCegarLoop]: === Iteration 29 === 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 33 more)] === [2021-11-12 22:29:34,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:29:34,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1723383530, now seen corresponding path program 1 times [2021-11-12 22:29:34,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:29:34,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511048260] [2021-11-12 22:29:34,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:29:34,695 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:29:34,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:29:34,695 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:29:34,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-12 22:29:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:29:40,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:29:40,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:29:41,238 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:29:41,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:29:41,821 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 22:29:41,821 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:29:41,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511048260] [2021-11-12 22:29:41,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511048260] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:29:41,822 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:29:41,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:29:41,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591400157] [2021-11-12 22:29:41,822 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:29:41,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:29:41,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:29:41,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:29:41,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:29:41,823 INFO L87 Difference]: Start difference. First operand 13168 states and 18346 transitions. Second operand has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 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) [2021-11-12 22:29:43,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:29:43,293 INFO L93 Difference]: Finished difference Result 13168 states and 18346 transitions. [2021-11-12 22:29:43,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:29:43,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 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 173 [2021-11-12 22:29:43,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:29:43,330 INFO L225 Difference]: With dead ends: 13168 [2021-11-12 22:29:43,330 INFO L226 Difference]: Without dead ends: 13166 [2021-11-12 22:29:43,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 340 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:29:43,338 INFO L933 BasicCegarLoop]: 3774 mSDtfsCounter, 3623 mSDsluCounter, 3772 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3625 SdHoareTripleChecker+Valid, 7546 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.09ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.72ms IncrementalHoareTripleChecker+Time [2021-11-12 22:29:43,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3625 Valid, 7546 Invalid, 2 Unknown, 0 Unchecked, 14.09ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.72ms Time] [2021-11-12 22:29:43,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13166 states. [2021-11-12 22:29:45,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13166 to 13166. [2021-11-12 22:29:45,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13166 states, 8892 states have (on average 1.2394286999550157) internal successors, (11021), 9207 states have internal predecessors, (11021), 3607 states have call successors, (3607), 643 states have call predecessors, (3607), 650 states have return successors, (3715), 3559 states have call predecessors, (3715), 3605 states have call successors, (3715) [2021-11-12 22:29:45,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13166 states to 13166 states and 18343 transitions. [2021-11-12 22:29:45,047 INFO L78 Accepts]: Start accepts. Automaton has 13166 states and 18343 transitions. Word has length 173 [2021-11-12 22:29:45,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:29:45,048 INFO L470 AbstractCegarLoop]: Abstraction has 13166 states and 18343 transitions. [2021-11-12 22:29:45,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 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) [2021-11-12 22:29:45,048 INFO L276 IsEmpty]: Start isEmpty. Operand 13166 states and 18343 transitions. [2021-11-12 22:29:45,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-12 22:29:45,051 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:29:45,051 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 7, 7, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:29:45,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-12 22:29:45,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:29:45,279 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-12 22:29:45,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:29:45,279 INFO L85 PathProgramCache]: Analyzing trace with hash -252726657, now seen corresponding path program 2 times [2021-11-12 22:29:45,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:29:45,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [994847851] [2021-11-12 22:29:45,284 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-12 22:29:45,284 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:29:45,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:29:45,286 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:29:45,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2acefa6c-1fd0-47ef-b56a-774e34ee7bd0/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process