./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.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_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/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_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/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_f6203539-055f-4c6c-9a40-e24179f38df4/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 98f562a8edcec740524cc6f5ce26ff67bd28ae5ab18bd4408db10af8ffec4be5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:23:37,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:23:37,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:23:37,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:23:37,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:23:37,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:23:37,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:23:37,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:23:37,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:23:37,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:23:37,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:23:37,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:23:37,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:23:37,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:23:37,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:23:37,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:23:37,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:23:37,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:23:37,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:23:37,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:23:37,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:23:37,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:23:37,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:23:37,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:23:37,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:23:37,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:23:37,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:23:37,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:23:37,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:23:37,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:23:37,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:23:37,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:23:37,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:23:37,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:23:37,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:23:37,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:23:37,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:23:37,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:23:37,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:23:37,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:23:37,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:23:37,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 22:23:37,397 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:23:37,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:23:37,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:23:37,401 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:23:37,401 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:23:37,401 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:23:37,402 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:23:37,402 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:23:37,410 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:23:37,410 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:23:37,411 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:23:37,412 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:23:37,412 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:23:37,413 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:23:37,413 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:23:37,413 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:23:37,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:23:37,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:23:37,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:23:37,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:23:37,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:23:37,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:23:37,416 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:23:37,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:23:37,417 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:23:37,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:23:37,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:23:37,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:23:37,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:23:37,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:23:37,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:23:37,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:23:37,421 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:23:37,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:23:37,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:23:37,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:23:37,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:23:37,423 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_f6203539-055f-4c6c-9a40-e24179f38df4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98f562a8edcec740524cc6f5ce26ff67bd28ae5ab18bd4408db10af8ffec4be5 [2021-11-12 22:23:37,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:23:37,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:23:37,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:23:37,829 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:23:37,831 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:23:37,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i [2021-11-12 22:23:37,914 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/data/eb76d2057/69ca64119fc2430885a3b814a3ec24a0/FLAGc6b9189d6 [2021-11-12 22:23:39,269 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:23:39,271 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i [2021-11-12 22:23:39,365 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/data/eb76d2057/69ca64119fc2430885a3b814a3ec24a0/FLAGc6b9189d6 [2021-11-12 22:23:39,858 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/data/eb76d2057/69ca64119fc2430885a3b814a3ec24a0 [2021-11-12 22:23:39,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:23:39,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:23:39,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:23:39,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:23:39,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:23:39,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:23:39" (1/1) ... [2021-11-12 22:23:39,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a804f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:23:39, skipping insertion in model container [2021-11-12 22:23:39,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:23:39" (1/1) ... [2021-11-12 22:23:39,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:23:40,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:23:43,624 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 22:23:43,649 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 22:23:43,694 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 22:23:43,695 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 22:23:44,088 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 22:23:47,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534178,534191] [2021-11-12 22:23:47,329 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534323,534336] [2021-11-12 22:23:47,329 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534469,534482] [2021-11-12 22:23:47,330 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534634,534647] [2021-11-12 22:23:47,330 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534792,534805] [2021-11-12 22:23:47,331 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534950,534963] [2021-11-12 22:23:47,331 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535108,535121] [2021-11-12 22:23:47,332 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535268,535281] [2021-11-12 22:23:47,332 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535427,535440] [2021-11-12 22:23:47,342 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535566,535579] [2021-11-12 22:23:47,343 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535708,535721] [2021-11-12 22:23:47,343 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535857,535870] [2021-11-12 22:23:47,344 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535996,536009] [2021-11-12 22:23:47,345 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536151,536164] [2021-11-12 22:23:47,346 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536311,536324] [2021-11-12 22:23:47,346 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536462,536475] [2021-11-12 22:23:47,346 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536613,536626] [2021-11-12 22:23:47,347 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536765,536778] [2021-11-12 22:23:47,347 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536914,536927] [2021-11-12 22:23:47,349 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537062,537075] [2021-11-12 22:23:47,349 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537219,537232] [2021-11-12 22:23:47,351 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537368,537381] [2021-11-12 22:23:47,352 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537524,537537] [2021-11-12 22:23:47,352 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537677,537690] [2021-11-12 22:23:47,352 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537823,537836] [2021-11-12 22:23:47,353 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537966,537979] [2021-11-12 22:23:47,353 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538118,538131] [2021-11-12 22:23:47,354 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538264,538277] [2021-11-12 22:23:47,354 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538409,538422] [2021-11-12 22:23:47,355 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538563,538576] [2021-11-12 22:23:47,355 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538714,538727] [2021-11-12 22:23:47,355 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538869,538882] [2021-11-12 22:23:47,356 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539021,539034] [2021-11-12 22:23:47,356 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539176,539189] [2021-11-12 22:23:47,357 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539340,539353] [2021-11-12 22:23:47,357 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539496,539509] [2021-11-12 22:23:47,358 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539660,539673] [2021-11-12 22:23:47,358 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539802,539815] [2021-11-12 22:23:47,358 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539960,539973] [2021-11-12 22:23:47,359 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540127,540140] [2021-11-12 22:23:47,359 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540286,540299] [2021-11-12 22:23:47,360 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540445,540458] [2021-11-12 22:23:47,360 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540594,540607] [2021-11-12 22:23:47,361 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540741,540754] [2021-11-12 22:23:47,361 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540880,540893] [2021-11-12 22:23:47,361 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541043,541056] [2021-11-12 22:23:47,362 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541209,541222] [2021-11-12 22:23:47,362 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541373,541386] [2021-11-12 22:23:47,363 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541538,541551] [2021-11-12 22:23:47,363 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541703,541716] [2021-11-12 22:23:47,364 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541869,541882] [2021-11-12 22:23:47,364 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542034,542047] [2021-11-12 22:23:47,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542201,542214] [2021-11-12 22:23:47,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542361,542374] [2021-11-12 22:23:47,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542523,542536] [2021-11-12 22:23:47,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542682,542695] [2021-11-12 22:23:47,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542828,542841] [2021-11-12 22:23:47,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542971,542984] [2021-11-12 22:23:47,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543115,543128] [2021-11-12 22:23:47,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543258,543271] [2021-11-12 22:23:47,368 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543402,543415] [2021-11-12 22:23:47,368 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543543,543556] [2021-11-12 22:23:47,369 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543681,543694] [2021-11-12 22:23:47,369 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543839,543852] [2021-11-12 22:23:47,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543998,544011] [2021-11-12 22:23:47,371 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544154,544167] [2021-11-12 22:23:47,371 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544303,544316] [2021-11-12 22:23:47,372 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544455,544468] [2021-11-12 22:23:47,372 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544606,544619] [2021-11-12 22:23:47,372 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544755,544768] [2021-11-12 22:23:47,373 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544907,544920] [2021-11-12 22:23:47,373 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545055,545068] [2021-11-12 22:23:47,373 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545208,545221] [2021-11-12 22:23:47,374 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545359,545372] [2021-11-12 22:23:47,374 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545509,545522] [2021-11-12 22:23:47,375 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545656,545669] [2021-11-12 22:23:47,375 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545807,545820] [2021-11-12 22:23:47,375 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545958,545971] [2021-11-12 22:23:47,376 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546106,546119] [2021-11-12 22:23:47,376 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546272,546285] [2021-11-12 22:23:47,376 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546441,546454] [2021-11-12 22:23:47,377 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546608,546621] [2021-11-12 22:23:47,377 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546776,546789] [2021-11-12 22:23:47,378 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546926,546939] [2021-11-12 22:23:47,378 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547073,547086] [2021-11-12 22:23:47,378 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547234,547247] [2021-11-12 22:23:47,379 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547404,547417] [2021-11-12 22:23:47,379 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547566,547579] [2021-11-12 22:23:47,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:23:47,446 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 22:23:47,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4174ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:23:47, skipping insertion in model container [2021-11-12 22:23:47,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:23:47,447 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:23:47,449 INFO L158 Benchmark]: Toolchain (without parser) took 7585.88ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 51.4MB in the beginning and 81.5MB in the end (delta: -30.1MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. [2021-11-12 22:23:47,450 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 71.2MB in the beginning and 71.1MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:23:47,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7583.08ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 51.2MB in the beginning and 81.5MB in the end (delta: -30.3MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. [2021-11-12 22:23:47,452 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 71.2MB in the beginning and 71.1MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7583.08ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 51.2MB in the beginning and 81.5MB in the end (delta: -30.3MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7811]: 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_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/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_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/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_f6203539-055f-4c6c-9a40-e24179f38df4/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 98f562a8edcec740524cc6f5ce26ff67bd28ae5ab18bd4408db10af8ffec4be5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:23:50,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:23:50,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:23:50,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:23:50,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:23:50,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:23:50,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:23:50,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:23:50,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:23:50,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:23:50,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:23:50,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:23:50,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:23:50,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:23:50,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:23:50,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:23:50,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:23:50,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:23:50,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:23:50,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:23:50,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:23:50,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:23:50,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:23:50,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:23:50,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:23:50,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:23:50,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:23:50,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:23:50,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:23:50,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:23:50,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:23:50,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:23:50,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:23:50,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:23:50,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:23:50,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:23:50,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:23:50,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:23:50,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:23:50,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:23:50,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:23:50,238 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 22:23:50,286 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:23:50,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:23:50,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:23:50,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:23:50,288 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:23:50,289 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:23:50,289 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:23:50,289 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:23:50,290 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:23:50,291 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:23:50,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:23:50,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:23:50,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:23:50,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:23:50,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:23:50,294 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:23:50,295 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:23:50,295 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:23:50,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:23:50,295 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:23:50,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:23:50,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:23:50,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:23:50,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:23:50,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:23:50,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:23:50,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:23:50,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:23:50,298 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:23:50,298 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:23:50,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:23:50,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:23:50,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:23:50,299 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_f6203539-055f-4c6c-9a40-e24179f38df4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98f562a8edcec740524cc6f5ce26ff67bd28ae5ab18bd4408db10af8ffec4be5 [2021-11-12 22:23:50,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:23:50,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:23:50,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:23:50,775 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:23:50,776 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:23:50,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i [2021-11-12 22:23:50,858 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/data/6635863f5/5cd0e4fef2ba4dea891e0e595455f876/FLAG6fdd41fbc [2021-11-12 22:23:52,258 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:23:52,259 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i [2021-11-12 22:23:52,357 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/data/6635863f5/5cd0e4fef2ba4dea891e0e595455f876/FLAG6fdd41fbc [2021-11-12 22:23:52,742 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/data/6635863f5/5cd0e4fef2ba4dea891e0e595455f876 [2021-11-12 22:23:52,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:23:52,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:23:52,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:23:52,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:23:52,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:23:52,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:23:52" (1/1) ... [2021-11-12 22:23:52,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6294ca68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:23:52, skipping insertion in model container [2021-11-12 22:23:52,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:23:52" (1/1) ... [2021-11-12 22:23:52,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:23:53,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:24:00,688 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534178,534191] [2021-11-12 22:24:00,692 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534323,534336] [2021-11-12 22:24:00,693 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534469,534482] [2021-11-12 22:24:00,694 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534634,534647] [2021-11-12 22:24:00,695 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534792,534805] [2021-11-12 22:24:00,695 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534950,534963] [2021-11-12 22:24:00,696 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535108,535121] [2021-11-12 22:24:00,697 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535268,535281] [2021-11-12 22:24:00,697 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535427,535440] [2021-11-12 22:24:00,698 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535566,535579] [2021-11-12 22:24:00,699 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535708,535721] [2021-11-12 22:24:00,699 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535857,535870] [2021-11-12 22:24:00,700 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535996,536009] [2021-11-12 22:24:00,700 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536151,536164] [2021-11-12 22:24:00,701 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536311,536324] [2021-11-12 22:24:00,702 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536462,536475] [2021-11-12 22:24:00,702 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536613,536626] [2021-11-12 22:24:00,703 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536765,536778] [2021-11-12 22:24:00,703 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536914,536927] [2021-11-12 22:24:00,704 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537062,537075] [2021-11-12 22:24:00,705 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537219,537232] [2021-11-12 22:24:00,705 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537368,537381] [2021-11-12 22:24:00,706 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537524,537537] [2021-11-12 22:24:00,706 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537677,537690] [2021-11-12 22:24:00,707 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537823,537836] [2021-11-12 22:24:00,708 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537966,537979] [2021-11-12 22:24:00,708 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538118,538131] [2021-11-12 22:24:00,709 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538264,538277] [2021-11-12 22:24:00,709 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538409,538422] [2021-11-12 22:24:00,710 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538563,538576] [2021-11-12 22:24:00,710 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538714,538727] [2021-11-12 22:24:00,711 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538869,538882] [2021-11-12 22:24:00,712 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539021,539034] [2021-11-12 22:24:00,712 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539176,539189] [2021-11-12 22:24:00,713 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539340,539353] [2021-11-12 22:24:00,713 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539496,539509] [2021-11-12 22:24:00,714 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539660,539673] [2021-11-12 22:24:00,715 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539802,539815] [2021-11-12 22:24:00,715 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539960,539973] [2021-11-12 22:24:00,716 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540127,540140] [2021-11-12 22:24:00,716 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540286,540299] [2021-11-12 22:24:00,717 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540445,540458] [2021-11-12 22:24:00,718 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540594,540607] [2021-11-12 22:24:00,718 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540741,540754] [2021-11-12 22:24:00,719 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540880,540893] [2021-11-12 22:24:00,720 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541043,541056] [2021-11-12 22:24:00,720 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541209,541222] [2021-11-12 22:24:00,721 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541373,541386] [2021-11-12 22:24:00,722 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541538,541551] [2021-11-12 22:24:00,722 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541703,541716] [2021-11-12 22:24:00,723 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541869,541882] [2021-11-12 22:24:00,723 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542034,542047] [2021-11-12 22:24:00,724 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542201,542214] [2021-11-12 22:24:00,724 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542361,542374] [2021-11-12 22:24:00,725 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542523,542536] [2021-11-12 22:24:00,726 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542682,542695] [2021-11-12 22:24:00,726 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542828,542841] [2021-11-12 22:24:00,727 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542971,542984] [2021-11-12 22:24:00,727 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543115,543128] [2021-11-12 22:24:00,728 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543258,543271] [2021-11-12 22:24:00,728 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543402,543415] [2021-11-12 22:24:00,729 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543543,543556] [2021-11-12 22:24:00,730 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543681,543694] [2021-11-12 22:24:00,730 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543839,543852] [2021-11-12 22:24:00,731 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543998,544011] [2021-11-12 22:24:00,731 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544154,544167] [2021-11-12 22:24:00,732 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544303,544316] [2021-11-12 22:24:00,732 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544455,544468] [2021-11-12 22:24:00,733 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544606,544619] [2021-11-12 22:24:00,734 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544755,544768] [2021-11-12 22:24:00,734 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544907,544920] [2021-11-12 22:24:00,735 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545055,545068] [2021-11-12 22:24:00,735 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545208,545221] [2021-11-12 22:24:00,736 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545359,545372] [2021-11-12 22:24:00,736 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545509,545522] [2021-11-12 22:24:00,737 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545656,545669] [2021-11-12 22:24:00,737 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545807,545820] [2021-11-12 22:24:00,738 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545958,545971] [2021-11-12 22:24:00,738 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546106,546119] [2021-11-12 22:24:00,739 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546272,546285] [2021-11-12 22:24:00,742 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546441,546454] [2021-11-12 22:24:00,742 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546608,546621] [2021-11-12 22:24:00,743 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546776,546789] [2021-11-12 22:24:00,743 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546926,546939] [2021-11-12 22:24:00,744 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547073,547086] [2021-11-12 22:24:00,745 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547234,547247] [2021-11-12 22:24:00,745 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547404,547417] [2021-11-12 22:24:00,746 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547566,547579] [2021-11-12 22:24:00,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:24:00,844 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:24:00,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:24:01,604 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534178,534191] [2021-11-12 22:24:01,605 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534323,534336] [2021-11-12 22:24:01,606 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534469,534482] [2021-11-12 22:24:01,606 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534634,534647] [2021-11-12 22:24:01,607 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534792,534805] [2021-11-12 22:24:01,608 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534950,534963] [2021-11-12 22:24:01,608 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535108,535121] [2021-11-12 22:24:01,609 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535268,535281] [2021-11-12 22:24:01,609 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535427,535440] [2021-11-12 22:24:01,610 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535566,535579] [2021-11-12 22:24:01,610 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535708,535721] [2021-11-12 22:24:01,611 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535857,535870] [2021-11-12 22:24:01,612 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535996,536009] [2021-11-12 22:24:01,612 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536151,536164] [2021-11-12 22:24:01,613 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536311,536324] [2021-11-12 22:24:01,614 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536462,536475] [2021-11-12 22:24:01,614 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536613,536626] [2021-11-12 22:24:01,615 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536765,536778] [2021-11-12 22:24:01,615 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536914,536927] [2021-11-12 22:24:01,616 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537062,537075] [2021-11-12 22:24:01,616 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537219,537232] [2021-11-12 22:24:01,617 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537368,537381] [2021-11-12 22:24:01,618 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537524,537537] [2021-11-12 22:24:01,618 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537677,537690] [2021-11-12 22:24:01,619 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537823,537836] [2021-11-12 22:24:01,619 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537966,537979] [2021-11-12 22:24:01,620 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538118,538131] [2021-11-12 22:24:01,620 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538264,538277] [2021-11-12 22:24:01,621 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538409,538422] [2021-11-12 22:24:01,621 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538563,538576] [2021-11-12 22:24:01,622 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538714,538727] [2021-11-12 22:24:01,622 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538869,538882] [2021-11-12 22:24:01,623 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539021,539034] [2021-11-12 22:24:01,624 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539176,539189] [2021-11-12 22:24:01,624 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539340,539353] [2021-11-12 22:24:01,625 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539496,539509] [2021-11-12 22:24:01,625 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539660,539673] [2021-11-12 22:24:01,626 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539802,539815] [2021-11-12 22:24:01,626 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539960,539973] [2021-11-12 22:24:01,627 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540127,540140] [2021-11-12 22:24:01,627 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540286,540299] [2021-11-12 22:24:01,628 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540445,540458] [2021-11-12 22:24:01,628 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540594,540607] [2021-11-12 22:24:01,629 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540741,540754] [2021-11-12 22:24:01,630 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540880,540893] [2021-11-12 22:24:01,630 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541043,541056] [2021-11-12 22:24:01,631 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541209,541222] [2021-11-12 22:24:01,631 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541373,541386] [2021-11-12 22:24:01,632 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541538,541551] [2021-11-12 22:24:01,632 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541703,541716] [2021-11-12 22:24:01,633 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541869,541882] [2021-11-12 22:24:01,633 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542034,542047] [2021-11-12 22:24:01,634 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542201,542214] [2021-11-12 22:24:01,634 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542361,542374] [2021-11-12 22:24:01,635 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542523,542536] [2021-11-12 22:24:01,635 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542682,542695] [2021-11-12 22:24:01,636 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542828,542841] [2021-11-12 22:24:01,636 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542971,542984] [2021-11-12 22:24:01,637 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543115,543128] [2021-11-12 22:24:01,637 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543258,543271] [2021-11-12 22:24:01,638 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543402,543415] [2021-11-12 22:24:01,638 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543543,543556] [2021-11-12 22:24:01,639 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543681,543694] [2021-11-12 22:24:01,639 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543839,543852] [2021-11-12 22:24:01,640 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543998,544011] [2021-11-12 22:24:01,640 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544154,544167] [2021-11-12 22:24:01,641 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544303,544316] [2021-11-12 22:24:01,641 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544455,544468] [2021-11-12 22:24:01,642 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544606,544619] [2021-11-12 22:24:01,643 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544755,544768] [2021-11-12 22:24:01,643 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544907,544920] [2021-11-12 22:24:01,644 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545055,545068] [2021-11-12 22:24:01,644 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545208,545221] [2021-11-12 22:24:01,645 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545359,545372] [2021-11-12 22:24:01,645 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545509,545522] [2021-11-12 22:24:01,646 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545656,545669] [2021-11-12 22:24:01,646 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545807,545820] [2021-11-12 22:24:01,647 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545958,545971] [2021-11-12 22:24:01,647 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546106,546119] [2021-11-12 22:24:01,648 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546272,546285] [2021-11-12 22:24:01,648 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546441,546454] [2021-11-12 22:24:01,649 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546608,546621] [2021-11-12 22:24:01,649 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546776,546789] [2021-11-12 22:24:01,650 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546926,546939] [2021-11-12 22:24:01,650 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_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547073,547086] [2021-11-12 22:24:01,651 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547234,547247] [2021-11-12 22:24:01,651 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547404,547417] [2021-11-12 22:24:01,652 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547566,547579] [2021-11-12 22:24:01,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:24:01,685 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:24:02,337 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534178,534191] [2021-11-12 22:24:02,338 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534323,534336] [2021-11-12 22:24:02,338 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534469,534482] [2021-11-12 22:24:02,339 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534634,534647] [2021-11-12 22:24:02,339 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534792,534805] [2021-11-12 22:24:02,339 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534950,534963] [2021-11-12 22:24:02,340 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535108,535121] [2021-11-12 22:24:02,340 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535268,535281] [2021-11-12 22:24:02,341 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535427,535440] [2021-11-12 22:24:02,341 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535566,535579] [2021-11-12 22:24:02,342 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535708,535721] [2021-11-12 22:24:02,342 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535857,535870] [2021-11-12 22:24:02,343 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535996,536009] [2021-11-12 22:24:02,343 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536151,536164] [2021-11-12 22:24:02,344 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536311,536324] [2021-11-12 22:24:02,344 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536462,536475] [2021-11-12 22:24:02,344 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536613,536626] [2021-11-12 22:24:02,345 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536765,536778] [2021-11-12 22:24:02,345 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536914,536927] [2021-11-12 22:24:02,346 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537062,537075] [2021-11-12 22:24:02,346 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537219,537232] [2021-11-12 22:24:02,347 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537368,537381] [2021-11-12 22:24:02,347 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537524,537537] [2021-11-12 22:24:02,348 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537677,537690] [2021-11-12 22:24:02,348 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537823,537836] [2021-11-12 22:24:02,349 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537966,537979] [2021-11-12 22:24:02,351 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538118,538131] [2021-11-12 22:24:02,354 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538264,538277] [2021-11-12 22:24:02,354 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538409,538422] [2021-11-12 22:24:02,355 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538563,538576] [2021-11-12 22:24:02,355 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538714,538727] [2021-11-12 22:24:02,355 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538869,538882] [2021-11-12 22:24:02,356 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539021,539034] [2021-11-12 22:24:02,356 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539176,539189] [2021-11-12 22:24:02,357 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539340,539353] [2021-11-12 22:24:02,358 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539496,539509] [2021-11-12 22:24:02,359 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539660,539673] [2021-11-12 22:24:02,359 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539802,539815] [2021-11-12 22:24:02,360 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539960,539973] [2021-11-12 22:24:02,361 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540127,540140] [2021-11-12 22:24:02,362 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540286,540299] [2021-11-12 22:24:02,362 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540445,540458] [2021-11-12 22:24:02,363 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540594,540607] [2021-11-12 22:24:02,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540741,540754] [2021-11-12 22:24:02,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540880,540893] [2021-11-12 22:24:02,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541043,541056] [2021-11-12 22:24:02,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541209,541222] [2021-11-12 22:24:02,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541373,541386] [2021-11-12 22:24:02,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541538,541551] [2021-11-12 22:24:02,368 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541703,541716] [2021-11-12 22:24:02,368 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541869,541882] [2021-11-12 22:24:02,369 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542034,542047] [2021-11-12 22:24:02,369 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542201,542214] [2021-11-12 22:24:02,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542361,542374] [2021-11-12 22:24:02,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542523,542536] [2021-11-12 22:24:02,371 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542682,542695] [2021-11-12 22:24:02,371 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542828,542841] [2021-11-12 22:24:02,372 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542971,542984] [2021-11-12 22:24:02,372 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543115,543128] [2021-11-12 22:24:02,373 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543258,543271] [2021-11-12 22:24:02,374 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543402,543415] [2021-11-12 22:24:02,374 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543543,543556] [2021-11-12 22:24:02,375 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543681,543694] [2021-11-12 22:24:02,376 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543839,543852] [2021-11-12 22:24:02,376 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543998,544011] [2021-11-12 22:24:02,377 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544154,544167] [2021-11-12 22:24:02,377 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544303,544316] [2021-11-12 22:24:02,378 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544455,544468] [2021-11-12 22:24:02,378 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544606,544619] [2021-11-12 22:24:02,379 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544755,544768] [2021-11-12 22:24:02,379 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544907,544920] [2021-11-12 22:24:02,379 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545055,545068] [2021-11-12 22:24:02,380 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545208,545221] [2021-11-12 22:24:02,380 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545359,545372] [2021-11-12 22:24:02,381 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545509,545522] [2021-11-12 22:24:02,384 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545656,545669] [2021-11-12 22:24:02,385 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545807,545820] [2021-11-12 22:24:02,385 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545958,545971] [2021-11-12 22:24:02,386 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546106,546119] [2021-11-12 22:24:02,387 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546272,546285] [2021-11-12 22:24:02,393 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546441,546454] [2021-11-12 22:24:02,393 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546608,546621] [2021-11-12 22:24:02,394 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546776,546789] [2021-11-12 22:24:02,395 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546926,546939] [2021-11-12 22:24:02,395 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547073,547086] [2021-11-12 22:24:02,395 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547234,547247] [2021-11-12 22:24:02,396 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547404,547417] [2021-11-12 22:24:02,396 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547566,547579] [2021-11-12 22:24:02,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:24:03,174 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:24:03,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:24:03 WrapperNode [2021-11-12 22:24:03,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:24:03,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:24:03,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:24:03,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:24:03,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:24:03" (1/1) ... [2021-11-12 22:24:03,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:24:03" (1/1) ... [2021-11-12 22:24:03,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:24:03,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:24:03,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:24:03,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:24:03,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:24:03" (1/1) ... [2021-11-12 22:24:03,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:24:03" (1/1) ... [2021-11-12 22:24:03,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:24:03" (1/1) ... [2021-11-12 22:24:03,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:24:03" (1/1) ... [2021-11-12 22:24:04,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:24:03" (1/1) ... [2021-11-12 22:24:04,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:24:03" (1/1) ... [2021-11-12 22:24:04,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:24:03" (1/1) ... [2021-11-12 22:24:04,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:24:04,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:24:04,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:24:04,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:24:04,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:24:03" (1/1) ... [2021-11-12 22:24:04,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:24:04,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:24:04,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:24:04,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:24:04,444 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2021-11-12 22:24:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2021-11-12 22:24:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-12 22:24:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-12 22:24:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_131 [2021-11-12 22:24:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_131 [2021-11-12 22:24:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 22:24:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 22:24:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 22:24:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 22:24:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 22:24:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 22:24:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-12 22:24:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-12 22:24:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2021-11-12 22:24:04,538 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2021-11-12 22:24:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2021-11-12 22:24:04,538 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2021-11-12 22:24:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2021-11-12 22:24:04,539 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2021-11-12 22:24:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2021-11-12 22:24:04,539 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2021-11-12 22:24:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 22:24:04,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 22:24:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2021-11-12 22:24:04,539 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2021-11-12 22:24:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 22:24:04,540 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 22:24:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-12 22:24:04,540 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-12 22:24:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-12 22:24:04,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-12 22:24:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-12 22:24:04,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-12 22:24:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2021-11-12 22:24:04,540 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2021-11-12 22:24:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-12 22:24:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-12 22:24:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-12 22:24:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-12 22:24:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-12 22:24:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-12 22:24:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 22:24:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 22:24:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 22:24:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 22:24:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 22:24:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 22:24:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-12 22:24:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-12 22:24:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 22:24:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 22:24:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-12 22:24:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-12 22:24:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-12 22:24:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-12 22:24:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-12 22:24:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-12 22:24:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 22:24:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 22:24:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2021-11-12 22:24:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2021-11-12 22:24:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-12 22:24:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-12 22:24:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 22:24:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 22:24:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2021-11-12 22:24:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2021-11-12 22:24:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 22:24:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 22:24:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 22:24:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 22:24:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 22:24:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 22:24:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 22:24:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:24:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 22:24:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-12 22:24:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-12 22:24:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2021-11-12 22:24:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2021-11-12 22:24:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-12 22:24:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-12 22:24:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 22:24:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 22:24:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 22:24:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 22:24:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2021-11-12 22:24:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2021-11-12 22:24:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-12 22:24:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-12 22:24:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:24:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:24:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-12 22:24:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-12 22:24:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 22:24:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-12 22:24:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-12 22:24:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 22:24:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 22:24:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_138 [2021-11-12 22:24:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_138 [2021-11-12 22:24:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-12 22:24:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-12 22:24:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-12 22:24:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-12 22:24:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-12 22:24:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-12 22:24:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 22:24:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 22:24:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_127 [2021-11-12 22:24:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_127 [2021-11-12 22:24:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-12 22:24:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-12 22:24:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-12 22:24:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-12 22:24:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 22:24:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 22:24:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:24:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 22:24:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 22:24:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 22:24:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 22:24:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 22:24:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2021-11-12 22:24:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2021-11-12 22:24:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-12 22:24:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-12 22:24:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 22:24:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 22:24:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-12 22:24:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-12 22:24:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 22:24:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 22:24:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2021-11-12 22:24:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2021-11-12 22:24:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 22:24:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 22:24:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 22:24:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 22:24:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-12 22:24:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-12 22:24:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 22:24:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 22:24:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2021-11-12 22:24:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2021-11-12 22:24:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 22:24:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 22:24:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 22:24:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 22:24:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 22:24:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 22:24:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2021-11-12 22:24:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2021-11-12 22:24:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2021-11-12 22:24:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2021-11-12 22:24:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2021-11-12 22:24:04,560 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2021-11-12 22:24:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-12 22:24:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-12 22:24:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-11-12 22:24:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-11-12 22:24:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2021-11-12 22:24:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2021-11-12 22:24:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-12 22:24:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-12 22:24:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2021-11-12 22:24:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2021-11-12 22:24:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-12 22:24:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-12 22:24:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2021-11-12 22:24:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2021-11-12 22:24:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-12 22:24:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-12 22:24:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 22:24:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 22:24:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-12 22:24:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-12 22:24:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2021-11-12 22:24:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2021-11-12 22:24:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 22:24:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 22:24:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-12 22:24:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-12 22:24:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_130 [2021-11-12 22:24:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_130 [2021-11-12 22:24:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 22:24:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 22:24:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2021-11-12 22:24:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2021-11-12 22:24:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-12 22:24:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-12 22:24:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-12 22:24:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-12 22:24:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-12 22:24:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-12 22:24:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 22:24:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 22:24:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 22:24:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 22:24:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 22:24:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 22:24:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-12 22:24:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-12 22:24:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 22:24:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 22:24:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 22:24:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 22:24:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-12 22:24:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-12 22:24:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2021-11-12 22:24:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2021-11-12 22:24:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-12 22:24:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-12 22:24:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:24:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 22:24:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:24:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 22:24:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 22:24:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-12 22:24:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-12 22:24:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2021-11-12 22:24:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2021-11-12 22:24:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 22:24:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 22:24:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2021-11-12 22:24:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2021-11-12 22:24:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 22:24:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 22:24:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2021-11-12 22:24:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2021-11-12 22:24:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-12 22:24:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-12 22:24:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 22:24:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 22:24:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-12 22:24:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-12 22:24:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 22:24:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 22:24:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 22:24:04,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 22:24:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 22:24:04,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 22:24:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 22:24:04,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 22:24:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 22:24:04,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 22:24:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2021-11-12 22:24:04,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2021-11-12 22:24:04,572 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-12 22:24:04,572 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-12 22:24:04,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 22:24:04,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 22:24:04,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 22:24:04,572 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-12 22:24:04,572 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-12 22:24:04,572 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2021-11-12 22:24:04,572 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2021-11-12 22:24:04,573 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-12 22:24:04,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-12 22:24:04,573 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-12 22:24:04,573 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-12 22:24:04,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mdio_lock_of_atl1e_adapter [2021-11-12 22:24:04,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mdio_lock_of_atl1e_adapter [2021-11-12 22:24:04,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 22:24:04,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 22:24:04,573 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-12 22:24:04,573 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-12 22:24:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-12 22:24:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-12 22:24:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2021-11-12 22:24:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2021-11-12 22:24:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 22:24:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-12 22:24:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-12 22:24:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-12 22:24:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-12 22:24:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-12 22:24:04,575 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-12 22:24:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 22:24:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 22:24:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 22:24:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 22:24:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 22:24:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 22:24:04,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 22:24:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 22:24:04,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 22:24:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-11-12 22:24:04,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-11-12 22:24:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-12 22:24:04,576 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-12 22:24:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2021-11-12 22:24:04,577 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2021-11-12 22:24:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-12 22:24:04,577 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-12 22:24:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2021-11-12 22:24:04,577 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2021-11-12 22:24:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-12 22:24:04,577 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-12 22:24:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-12 22:24:04,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-12 22:24:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-12 22:24:04,578 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-12 22:24:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2021-11-12 22:24:04,578 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2021-11-12 22:24:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2021-11-12 22:24:04,578 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2021-11-12 22:24:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2021-11-12 22:24:04,579 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2021-11-12 22:24:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-12 22:24:04,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-12 22:24:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 22:24:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 22:24:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 22:24:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2021-11-12 22:24:04,579 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2021-11-12 22:24:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 22:24:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:24:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-12 22:24:04,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-12 22:24:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 22:24:04,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 22:24:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mdio_lock_of_atl1e_adapter [2021-11-12 22:24:04,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mdio_lock_of_atl1e_adapter [2021-11-12 22:24:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 22:24:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 22:24:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2021-11-12 22:24:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2021-11-12 22:24:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2021-11-12 22:24:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2021-11-12 22:24:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 22:24:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 22:24:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-12 22:24:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-12 22:24:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2021-11-12 22:24:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2021-11-12 22:24:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 22:24:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 22:24:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-12 22:24:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-12 22:24:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2021-11-12 22:24:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2021-11-12 22:24:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 22:24:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 22:24:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 22:24:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 22:24:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 22:24:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 22:24:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-12 22:24:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-12 22:24:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-12 22:24:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-12 22:24:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2021-11-12 22:24:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2021-11-12 22:24:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 22:24:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 22:24:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-12 22:24:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-12 22:24:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 22:24:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 22:24:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-12 22:24:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-12 22:24:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-12 22:24:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-12 22:24:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-12 22:24:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-12 22:24:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2021-11-12 22:24:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2021-11-12 22:24:06,141 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 22:25:21,858 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:25:21,858 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-12 22:25:21,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:25:21 BoogieIcfgContainer [2021-11-12 22:25:21,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:25:21,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:25:21,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:25:21,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:25:21,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:23:52" (1/3) ... [2021-11-12 22:25:21,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19275ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:25:21, skipping insertion in model container [2021-11-12 22:25:21,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:24:03" (2/3) ... [2021-11-12 22:25:21,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19275ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:25:21, skipping insertion in model container [2021-11-12 22:25:21,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:25:21" (3/3) ... [2021-11-12 22:25:21,876 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i [2021-11-12 22:25:21,882 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:25:21,882 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-12 22:25:21,949 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:25:21,955 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 22:25:21,956 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-12 22:25:22,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 2811 states, 1867 states have (on average 1.2512051419389394) internal successors, (2336), 1929 states have internal predecessors, (2336), 747 states have call successors, (747), 169 states have call predecessors, (747), 168 states have return successors, (743), 740 states have call predecessors, (743), 743 states have call successors, (743) [2021-11-12 22:25:22,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-12 22:25:22,046 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:25:22,047 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 22:25:22,047 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:25:22,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:25:22,054 INFO L85 PathProgramCache]: Analyzing trace with hash 486710648, now seen corresponding path program 1 times [2021-11-12 22:25:22,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:25:22,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1705643946] [2021-11-12 22:25:22,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:25:22,076 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:25:22,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:25:22,082 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:25:22,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:25:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:25:27,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 1992 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:25:27,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:25:28,799 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:25:28,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:25:29,340 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:25:29,340 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:25:29,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1705643946] [2021-11-12 22:25:29,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1705643946] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:25:29,341 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:25:29,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:25:29,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128869194] [2021-11-12 22:25:29,344 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:25:29,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:25:29,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:25:29,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:25:29,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:25:29,393 INFO L87 Difference]: Start difference. First operand has 2811 states, 1867 states have (on average 1.2512051419389394) internal successors, (2336), 1929 states have internal predecessors, (2336), 747 states have call successors, (747), 169 states have call predecessors, (747), 168 states have return successors, (743), 740 states have call predecessors, (743), 743 states have call successors, (743) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-12 22:25:29,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:25:29,926 INFO L93 Difference]: Finished difference Result 5587 states and 7723 transitions. [2021-11-12 22:25:29,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:25:29,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 64 [2021-11-12 22:25:29,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:25:29,987 INFO L225 Difference]: With dead ends: 5587 [2021-11-12 22:25:29,987 INFO L226 Difference]: Without dead ends: 2790 [2021-11-12 22:25:30,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 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 22:25:30,023 INFO L933 BasicCegarLoop]: 3776 mSDtfsCounter, 3729 mSDsluCounter, 7548 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3731 SdHoareTripleChecker+Valid, 11324 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 74.50ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.47ms IncrementalHoareTripleChecker+Time [2021-11-12 22:25:30,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3731 Valid, 11324 Invalid, 2 Unknown, 0 Unchecked, 74.50ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 13.47ms Time] [2021-11-12 22:25:30,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2790 states. [2021-11-12 22:25:30,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2790 to 2790. [2021-11-12 22:25:30,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2790 states, 1853 states have (on average 1.2288181327576901) internal successors, (2277), 1912 states have internal predecessors, (2277), 743 states have call successors, (743), 168 states have call predecessors, (743), 167 states have return successors, (741), 738 states have call predecessors, (741), 741 states have call successors, (741) [2021-11-12 22:25:30,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3761 transitions. [2021-11-12 22:25:30,370 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3761 transitions. Word has length 64 [2021-11-12 22:25:30,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:25:30,372 INFO L470 AbstractCegarLoop]: Abstraction has 2790 states and 3761 transitions. [2021-11-12 22:25:30,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-12 22:25:30,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3761 transitions. [2021-11-12 22:25:30,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-12 22:25:30,384 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:25:30,385 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 22:25:30,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 22:25:30,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:25:30,599 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:25:30,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:25:30,599 INFO L85 PathProgramCache]: Analyzing trace with hash 2053259981, now seen corresponding path program 1 times [2021-11-12 22:25:30,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:25:30,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [245866769] [2021-11-12 22:25:30,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:25:30,605 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:25:30,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:25:30,610 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:25:30,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 22:25:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:25:36,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 2001 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:25:36,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:25:37,082 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:25:37,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:25:37,627 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:25:37,627 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:25:37,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [245866769] [2021-11-12 22:25:37,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [245866769] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:25:37,627 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:25:37,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:25:37,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204841962] [2021-11-12 22:25:37,628 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:25:37,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:25:37,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:25:37,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:25:37,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:25:37,631 INFO L87 Difference]: Start difference. First operand 2790 states and 3761 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 22:25:37,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:25:37,961 INFO L93 Difference]: Finished difference Result 2790 states and 3761 transitions. [2021-11-12 22:25:37,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:25:37,962 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 70 [2021-11-12 22:25:37,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:25:37,987 INFO L225 Difference]: With dead ends: 2790 [2021-11-12 22:25:37,987 INFO L226 Difference]: Without dead ends: 2788 [2021-11-12 22:25:37,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 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 22:25:37,991 INFO L933 BasicCegarLoop]: 3757 mSDtfsCounter, 3707 mSDsluCounter, 3755 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3709 SdHoareTripleChecker+Valid, 7512 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.34ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.96ms IncrementalHoareTripleChecker+Time [2021-11-12 22:25:37,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3709 Valid, 7512 Invalid, 2 Unknown, 0 Unchecked, 28.34ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 11.96ms Time] [2021-11-12 22:25:37,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2788 states. [2021-11-12 22:25:38,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788. [2021-11-12 22:25:38,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2788 states, 1852 states have (on average 1.2284017278617712) internal successors, (2275), 1910 states have internal predecessors, (2275), 743 states have call successors, (743), 168 states have call predecessors, (743), 167 states have return successors, (741), 738 states have call predecessors, (741), 741 states have call successors, (741) [2021-11-12 22:25:38,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 3759 transitions. [2021-11-12 22:25:38,187 INFO L78 Accepts]: Start accepts. Automaton has 2788 states and 3759 transitions. Word has length 70 [2021-11-12 22:25:38,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:25:38,188 INFO L470 AbstractCegarLoop]: Abstraction has 2788 states and 3759 transitions. [2021-11-12 22:25:38,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 22:25:38,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 3759 transitions. [2021-11-12 22:25:38,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-12 22:25:38,190 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:25:38,191 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 22:25:38,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 22:25:38,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:25:38,410 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:25:38,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:25:38,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1912413848, now seen corresponding path program 1 times [2021-11-12 22:25:38,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:25:38,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1419806630] [2021-11-12 22:25:38,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:25:38,417 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:25:38,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:25:38,419 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:25:38,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 22:25:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:25:43,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:25:43,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:25:44,884 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:25:44,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:25:45,393 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:25:45,393 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:25:45,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1419806630] [2021-11-12 22:25:45,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1419806630] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:25:45,393 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:25:45,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:25:45,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431942028] [2021-11-12 22:25:45,394 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:25:45,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:25:45,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:25:45,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:25:45,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:25:45,396 INFO L87 Difference]: Start difference. First operand 2788 states and 3759 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 22:25:45,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:25:45,665 INFO L93 Difference]: Finished difference Result 2788 states and 3759 transitions. [2021-11-12 22:25:45,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:25:45,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 76 [2021-11-12 22:25:45,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:25:45,693 INFO L225 Difference]: With dead ends: 2788 [2021-11-12 22:25:45,693 INFO L226 Difference]: Without dead ends: 2786 [2021-11-12 22:25:45,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 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 22:25:45,699 INFO L933 BasicCegarLoop]: 3755 mSDtfsCounter, 3699 mSDsluCounter, 3753 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3701 SdHoareTripleChecker+Valid, 7508 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.79ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.22ms IncrementalHoareTripleChecker+Time [2021-11-12 22:25:45,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3701 Valid, 7508 Invalid, 2 Unknown, 0 Unchecked, 26.79ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 20.22ms Time] [2021-11-12 22:25:45,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2021-11-12 22:25:45,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2786. [2021-11-12 22:25:45,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2786 states, 1851 states have (on average 1.2279848730415992) internal successors, (2273), 1908 states have internal predecessors, (2273), 743 states have call successors, (743), 168 states have call predecessors, (743), 167 states have return successors, (741), 738 states have call predecessors, (741), 741 states have call successors, (741) [2021-11-12 22:25:45,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2786 states and 3757 transitions. [2021-11-12 22:25:45,930 INFO L78 Accepts]: Start accepts. Automaton has 2786 states and 3757 transitions. Word has length 76 [2021-11-12 22:25:45,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:25:45,931 INFO L470 AbstractCegarLoop]: Abstraction has 2786 states and 3757 transitions. [2021-11-12 22:25:45,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 22:25:45,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 3757 transitions. [2021-11-12 22:25:45,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-12 22:25:45,936 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:25:45,936 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 22:25:46,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 22:25:46,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:25:46,150 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:25:46,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:25:46,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1120970197, now seen corresponding path program 1 times [2021-11-12 22:25:46,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:25:46,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429848815] [2021-11-12 22:25:46,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:25:46,155 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:25:46,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:25:46,158 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:25:46,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 22:25:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:25:51,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 2019 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:25:51,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:25:52,721 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:25:52,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:25:53,289 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:25:53,289 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:25:53,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429848815] [2021-11-12 22:25:53,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429848815] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:25:53,290 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:25:53,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:25:53,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766892797] [2021-11-12 22:25:53,291 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:25:53,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:25:53,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:25:53,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:25:53,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:25:53,293 INFO L87 Difference]: Start difference. First operand 2786 states and 3757 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (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 22:25:53,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:25:53,546 INFO L93 Difference]: Finished difference Result 2786 states and 3757 transitions. [2021-11-12 22:25:53,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:25:53,547 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (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 82 [2021-11-12 22:25:53,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:25:53,579 INFO L225 Difference]: With dead ends: 2786 [2021-11-12 22:25:53,579 INFO L226 Difference]: Without dead ends: 2784 [2021-11-12 22:25:53,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:25:53,585 INFO L933 BasicCegarLoop]: 3753 mSDtfsCounter, 3691 mSDsluCounter, 3751 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3693 SdHoareTripleChecker+Valid, 7504 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.21ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.80ms IncrementalHoareTripleChecker+Time [2021-11-12 22:25:53,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3693 Valid, 7504 Invalid, 2 Unknown, 0 Unchecked, 27.21ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 13.80ms Time] [2021-11-12 22:25:53,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2021-11-12 22:25:53,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2784. [2021-11-12 22:25:53,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2784 states, 1850 states have (on average 1.2275675675675675) internal successors, (2271), 1906 states have internal predecessors, (2271), 743 states have call successors, (743), 168 states have call predecessors, (743), 167 states have return successors, (741), 738 states have call predecessors, (741), 741 states have call successors, (741) [2021-11-12 22:25:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 3755 transitions. [2021-11-12 22:25:53,796 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 3755 transitions. Word has length 82 [2021-11-12 22:25:53,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:25:53,796 INFO L470 AbstractCegarLoop]: Abstraction has 2784 states and 3755 transitions. [2021-11-12 22:25:53,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (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 22:25:53,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 3755 transitions. [2021-11-12 22:25:53,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-12 22:25:53,798 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:25:53,799 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 22:25:53,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 22:25:53,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:25:54,000 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:25:54,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:25:54,000 INFO L85 PathProgramCache]: Analyzing trace with hash -318040224, now seen corresponding path program 1 times [2021-11-12 22:25:54,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:25:54,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919061078] [2021-11-12 22:25:54,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:25:54,003 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:25:54,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:25:54,004 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:25:54,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 22:25:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:25:59,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 2028 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:25:59,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:26:00,481 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:26:00,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:26:01,090 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:26:01,090 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:26:01,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [919061078] [2021-11-12 22:26:01,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [919061078] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:26:01,091 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:26:01,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:26:01,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854013720] [2021-11-12 22:26:01,091 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:26:01,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:26:01,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:26:01,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:26:01,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:26:01,092 INFO L87 Difference]: Start difference. First operand 2784 states and 3755 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (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 22:26:01,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:26:01,408 INFO L93 Difference]: Finished difference Result 2784 states and 3755 transitions. [2021-11-12 22:26:01,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:26:01,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (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 88 [2021-11-12 22:26:01,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:26:01,435 INFO L225 Difference]: With dead ends: 2784 [2021-11-12 22:26:01,435 INFO L226 Difference]: Without dead ends: 2782 [2021-11-12 22:26:01,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 171 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 22:26:01,439 INFO L933 BasicCegarLoop]: 3751 mSDtfsCounter, 3680 mSDsluCounter, 7498 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3682 SdHoareTripleChecker+Valid, 11249 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 38.15ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.70ms IncrementalHoareTripleChecker+Time [2021-11-12 22:26:01,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3682 Valid, 11249 Invalid, 2 Unknown, 0 Unchecked, 38.15ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 12.70ms Time] [2021-11-12 22:26:01,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2782 states. [2021-11-12 22:26:01,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2782 to 2782. [2021-11-12 22:26:01,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2782 states, 1849 states have (on average 1.227149810708491) internal successors, (2269), 1904 states have internal predecessors, (2269), 743 states have call successors, (743), 168 states have call predecessors, (743), 167 states have return successors, (741), 738 states have call predecessors, (741), 741 states have call successors, (741) [2021-11-12 22:26:01,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2782 states to 2782 states and 3753 transitions. [2021-11-12 22:26:01,740 INFO L78 Accepts]: Start accepts. Automaton has 2782 states and 3753 transitions. Word has length 88 [2021-11-12 22:26:01,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:26:01,742 INFO L470 AbstractCegarLoop]: Abstraction has 2782 states and 3753 transitions. [2021-11-12 22:26:01,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (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 22:26:01,743 INFO L276 IsEmpty]: Start isEmpty. Operand 2782 states and 3753 transitions. [2021-11-12 22:26:01,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-12 22:26:01,752 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:26:01,752 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2021-11-12 22:26:01,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 22:26:01,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:26:01,979 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:26:01,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:26:01,979 INFO L85 PathProgramCache]: Analyzing trace with hash -2032595313, now seen corresponding path program 1 times [2021-11-12 22:26:01,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:26:01,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [38284410] [2021-11-12 22:26:01,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:26:01,983 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:26:01,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:26:01,984 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:26:01,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 22:26:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:26:07,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 2188 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 22:26:07,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:26:08,769 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 95 proven. 3 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-12 22:26:08,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:26:10,038 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-12 22:26:10,038 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:26:10,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [38284410] [2021-11-12 22:26:10,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [38284410] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:26:10,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [241389336] [2021-11-12 22:26:10,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:26:10,039 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 22:26:10,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 22:26:10,041 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 22:26:10,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-12 22:26:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:26:12,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 2188 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:26:12,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:26:12,503 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-12 22:26:12,503 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:26:12,967 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-12 22:26:12,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [241389336] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:26:12,968 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 22:26:12,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8, 8] total 11 [2021-11-12 22:26:12,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443221270] [2021-11-12 22:26:12,968 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:26:12,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:26:12,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:26:12,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:26:12,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-12 22:26:12,970 INFO L87 Difference]: Start difference. First operand 2782 states and 3753 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-12 22:26:13,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:26:13,783 INFO L93 Difference]: Finished difference Result 7512 states and 10139 transitions. [2021-11-12 22:26:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:26:13,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 114 [2021-11-12 22:26:13,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:26:13,830 INFO L225 Difference]: With dead ends: 7512 [2021-11-12 22:26:13,831 INFO L226 Difference]: Without dead ends: 4751 [2021-11-12 22:26:13,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-12 22:26:13,847 INFO L933 BasicCegarLoop]: 5266 mSDtfsCounter, 3735 mSDsluCounter, 5321 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 294.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3735 SdHoareTripleChecker+Valid, 10587 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.64ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 355.01ms IncrementalHoareTripleChecker+Time [2021-11-12 22:26:13,847 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3735 Valid, 10587 Invalid, 11 Unknown, 0 Unchecked, 28.64ms Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 355.01ms Time] [2021-11-12 22:26:13,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4751 states. [2021-11-12 22:26:14,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4751 to 4737. [2021-11-12 22:26:14,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4737 states, 3174 states have (on average 1.2303087586641461) internal successors, (3905), 3250 states have internal predecessors, (3905), 1251 states have call successors, (1251), 290 states have call predecessors, (1251), 289 states have return successors, (1249), 1243 states have call predecessors, (1249), 1249 states have call successors, (1249) [2021-11-12 22:26:14,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4737 states to 4737 states and 6405 transitions. [2021-11-12 22:26:14,253 INFO L78 Accepts]: Start accepts. Automaton has 4737 states and 6405 transitions. Word has length 114 [2021-11-12 22:26:14,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:26:14,253 INFO L470 AbstractCegarLoop]: Abstraction has 4737 states and 6405 transitions. [2021-11-12 22:26:14,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-12 22:26:14,254 INFO L276 IsEmpty]: Start isEmpty. Operand 4737 states and 6405 transitions. [2021-11-12 22:26:14,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-12 22:26:14,256 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:26:14,256 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 22:26:14,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 22:26:14,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2021-11-12 22:26:14,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 22:26:14,679 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:26:14,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:26:14,679 INFO L85 PathProgramCache]: Analyzing trace with hash -933336745, now seen corresponding path program 1 times [2021-11-12 22:26:14,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:26:14,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1599536797] [2021-11-12 22:26:14,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:26:14,682 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:26:14,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:26:14,683 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:26:14,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-12 22:26:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:26:20,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 2037 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:26:20,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:26:21,493 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:26:21,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:26:22,097 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:26:22,097 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:26:22,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1599536797] [2021-11-12 22:26:22,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1599536797] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:26:22,097 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:26:22,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:26:22,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431943024] [2021-11-12 22:26:22,098 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:26:22,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:26:22,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:26:22,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:26:22,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:26:22,099 INFO L87 Difference]: Start difference. First operand 4737 states and 6405 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (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 22:26:22,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:26:22,486 INFO L93 Difference]: Finished difference Result 4737 states and 6405 transitions. [2021-11-12 22:26:22,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:26:22,486 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (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 94 [2021-11-12 22:26:22,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:26:22,631 INFO L225 Difference]: With dead ends: 4737 [2021-11-12 22:26:22,631 INFO L226 Difference]: Without dead ends: 4735 [2021-11-12 22:26:22,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 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 22:26:22,635 INFO L933 BasicCegarLoop]: 3749 mSDtfsCounter, 3675 mSDsluCounter, 3747 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3677 SdHoareTripleChecker+Valid, 7496 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.50ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.64ms IncrementalHoareTripleChecker+Time [2021-11-12 22:26:22,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3677 Valid, 7496 Invalid, 2 Unknown, 0 Unchecked, 22.50ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 20.64ms Time] [2021-11-12 22:26:22,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4735 states. [2021-11-12 22:26:22,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4735 to 4735. [2021-11-12 22:26:23,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4735 states, 3173 states have (on average 1.2300661834226285) internal successors, (3903), 3248 states have internal predecessors, (3903), 1251 states have call successors, (1251), 290 states have call predecessors, (1251), 289 states have return successors, (1249), 1243 states have call predecessors, (1249), 1249 states have call successors, (1249) [2021-11-12 22:26:23,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4735 states to 4735 states and 6403 transitions. [2021-11-12 22:26:23,034 INFO L78 Accepts]: Start accepts. Automaton has 4735 states and 6403 transitions. Word has length 94 [2021-11-12 22:26:23,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:26:23,035 INFO L470 AbstractCegarLoop]: Abstraction has 4735 states and 6403 transitions. [2021-11-12 22:26:23,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (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 22:26:23,035 INFO L276 IsEmpty]: Start isEmpty. Operand 4735 states and 6403 transitions. [2021-11-12 22:26:23,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-12 22:26:23,040 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:26:23,040 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:26:23,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-12 22:26:23,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:26:23,256 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:26:23,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:26:23,256 INFO L85 PathProgramCache]: Analyzing trace with hash 713197777, now seen corresponding path program 1 times [2021-11-12 22:26:23,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:26:23,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537084362] [2021-11-12 22:26:23,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:26:23,259 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:26:23,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:26:23,260 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:26:23,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-12 22:26:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:26:28,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 2146 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 22:26:28,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:26:31,108 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 79 proven. 3 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-12 22:26:31,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:26:32,864 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-12 22:26:32,864 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:26:32,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1537084362] [2021-11-12 22:26:32,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1537084362] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:26:32,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1540320804] [2021-11-12 22:26:32,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:26:32,865 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 22:26:32,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 22:26:32,865 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 22:26:32,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-12 22:26:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:26:37,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 2146 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-12 22:26:37,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:26:39,215 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-11-12 22:26:39,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:26:41,147 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-11-12 22:26:41,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1540320804] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:26:41,147 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 22:26:41,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [17, 17] total 28 [2021-11-12 22:26:41,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102141735] [2021-11-12 22:26:41,148 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:26:41,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 22:26:41,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:26:41,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 22:26:41,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=695, Unknown=0, NotChecked=0, Total=756 [2021-11-12 22:26:41,149 INFO L87 Difference]: Start difference. First operand 4735 states and 6403 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 6 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-12 22:26:42,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:26:42,039 INFO L93 Difference]: Finished difference Result 5013 states and 6709 transitions. [2021-11-12 22:26:42,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 22:26:42,039 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 6 states have call predecessors, (24), 4 states have call successors, (24) Word has length 119 [2021-11-12 22:26:42,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:26:42,095 INFO L225 Difference]: With dead ends: 5013 [2021-11-12 22:26:42,096 INFO L226 Difference]: Without dead ends: 4762 [2021-11-12 22:26:42,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=67, Invalid=745, Unknown=0, NotChecked=0, Total=812 [2021-11-12 22:26:42,100 INFO L933 BasicCegarLoop]: 3793 mSDtfsCounter, 44 mSDsluCounter, 26487 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 249.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 30280 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 53.87ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 280.42ms IncrementalHoareTripleChecker+Time [2021-11-12 22:26:42,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 30280 Invalid, 46 Unknown, 0 Unchecked, 53.87ms Time], IncrementalHoareTripleChecker [26 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 280.42ms Time] [2021-11-12 22:26:42,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4762 states. [2021-11-12 22:26:42,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4762 to 4735. [2021-11-12 22:26:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4735 states, 3173 states have (on average 1.229751024267255) internal successors, (3902), 3247 states have internal predecessors, (3902), 1251 states have call successors, (1251), 290 states have call predecessors, (1251), 289 states have return successors, (1249), 1243 states have call predecessors, (1249), 1249 states have call successors, (1249) [2021-11-12 22:26:42,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4735 states to 4735 states and 6402 transitions. [2021-11-12 22:26:42,419 INFO L78 Accepts]: Start accepts. Automaton has 4735 states and 6402 transitions. Word has length 119 [2021-11-12 22:26:42,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:26:42,420 INFO L470 AbstractCegarLoop]: Abstraction has 4735 states and 6402 transitions. [2021-11-12 22:26:42,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 6 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-12 22:26:42,420 INFO L276 IsEmpty]: Start isEmpty. Operand 4735 states and 6402 transitions. [2021-11-12 22:26:42,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-12 22:26:42,422 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:26:42,422 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:26:42,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-12 22:26:42,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-12 22:26:42,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:26:42,843 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:26:42,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:26:42,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1132136734, now seen corresponding path program 1 times [2021-11-12 22:26:42,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:26:42,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175100894] [2021-11-12 22:26:42,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:26:42,848 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:26:42,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:26:42,851 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:26:42,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-12 22:26:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:26:48,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 2197 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 22:26:48,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:26:49,654 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 95 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-12 22:26:49,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:26:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-12 22:26:50,879 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:26:50,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [175100894] [2021-11-12 22:26:50,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [175100894] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:26:50,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1010051746] [2021-11-12 22:26:50,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:26:50,880 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 22:26:50,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 22:26:50,883 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 22:26:50,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-12 22:26:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:26:52,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 2197 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 22:26:52,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:26:53,438 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-12 22:26:53,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:26:53,997 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-12 22:26:53,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1010051746] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:26:53,997 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 22:26:53,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8, 8] total 11 [2021-11-12 22:26:53,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267846939] [2021-11-12 22:26:53,998 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:26:53,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:26:53,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:26:54,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:26:54,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-12 22:26:54,000 INFO L87 Difference]: Start difference. First operand 4735 states and 6402 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-12 22:26:54,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:26:54,659 INFO L93 Difference]: Finished difference Result 9445 states and 12769 transitions. [2021-11-12 22:26:54,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 22:26:54,660 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), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 120 [2021-11-12 22:26:54,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:26:54,690 INFO L225 Difference]: With dead ends: 9445 [2021-11-12 22:26:54,690 INFO L226 Difference]: Without dead ends: 4731 [2021-11-12 22:26:54,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 467 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-12 22:26:54,715 INFO L933 BasicCegarLoop]: 3744 mSDtfsCounter, 3728 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 288.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3728 SdHoareTripleChecker+Valid, 3744 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.29ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 341.74ms IncrementalHoareTripleChecker+Time [2021-11-12 22:26:54,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3728 Valid, 3744 Invalid, 4 Unknown, 0 Unchecked, 10.29ms Time], IncrementalHoareTripleChecker [3 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 341.74ms Time] [2021-11-12 22:26:54,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4731 states. [2021-11-12 22:26:55,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4731 to 4731. [2021-11-12 22:26:55,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4731 states, 3170 states have (on average 1.2293375394321766) internal successors, (3897), 3243 states have internal predecessors, (3897), 1251 states have call successors, (1251), 290 states have call predecessors, (1251), 289 states have return successors, (1249), 1243 states have call predecessors, (1249), 1249 states have call successors, (1249) [2021-11-12 22:26:55,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4731 states to 4731 states and 6397 transitions. [2021-11-12 22:26:55,153 INFO L78 Accepts]: Start accepts. Automaton has 4731 states and 6397 transitions. Word has length 120 [2021-11-12 22:26:55,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:26:55,154 INFO L470 AbstractCegarLoop]: Abstraction has 4731 states and 6397 transitions. [2021-11-12 22:26:55,154 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), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-12 22:26:55,154 INFO L276 IsEmpty]: Start isEmpty. Operand 4731 states and 6397 transitions. [2021-11-12 22:26:55,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-12 22:26:55,156 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:26:55,157 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 22:26:55,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-11-12 22:26:55,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-12 22:26:55,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:26:55,580 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:26:55,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:26:55,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1863929462, now seen corresponding path program 1 times [2021-11-12 22:26:55,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:26:55,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305537194] [2021-11-12 22:26:55,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:26:55,583 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:26:55,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:26:55,586 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:26:55,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-12 22:27:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:27:00,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 2046 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:27:00,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:01,971 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:27:01,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:02,564 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:27:02,564 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:27:02,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305537194] [2021-11-12 22:27:02,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [305537194] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:27:02,564 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:27:02,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:27:02,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436905267] [2021-11-12 22:27:02,565 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:27:02,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:27:02,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:27:02,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:27:02,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:27:02,566 INFO L87 Difference]: Start difference. First operand 4731 states and 6397 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (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 22:27:02,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:27:02,960 INFO L93 Difference]: Finished difference Result 4731 states and 6397 transitions. [2021-11-12 22:27:02,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:27:02,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (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 100 [2021-11-12 22:27:02,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:27:02,985 INFO L225 Difference]: With dead ends: 4731 [2021-11-12 22:27:02,985 INFO L226 Difference]: Without dead ends: 4729 [2021-11-12 22:27:02,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 195 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 22:27:02,989 INFO L933 BasicCegarLoop]: 3741 mSDtfsCounter, 3658 mSDsluCounter, 7478 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3660 SdHoareTripleChecker+Valid, 11219 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.33ms IncrementalHoareTripleChecker+Time [2021-11-12 22:27:02,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3660 Valid, 11219 Invalid, 2 Unknown, 0 Unchecked, 26.65ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 20.33ms Time] [2021-11-12 22:27:03,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4729 states. [2021-11-12 22:27:03,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4729 to 4729. [2021-11-12 22:27:03,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4729 states, 3169 states have (on average 1.2290943515304513) internal successors, (3895), 3241 states have internal predecessors, (3895), 1251 states have call successors, (1251), 290 states have call predecessors, (1251), 289 states have return successors, (1249), 1243 states have call predecessors, (1249), 1249 states have call successors, (1249) [2021-11-12 22:27:03,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 6395 transitions. [2021-11-12 22:27:03,394 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 6395 transitions. Word has length 100 [2021-11-12 22:27:03,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:27:03,395 INFO L470 AbstractCegarLoop]: Abstraction has 4729 states and 6395 transitions. [2021-11-12 22:27:03,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (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 22:27:03,395 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 6395 transitions. [2021-11-12 22:27:03,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-12 22:27:03,397 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:27:03,397 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:27:03,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-12 22:27:03,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:27:03,623 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:27:03,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:27:03,623 INFO L85 PathProgramCache]: Analyzing trace with hash -523213804, now seen corresponding path program 1 times [2021-11-12 22:27:03,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:27:03,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1505284859] [2021-11-12 22:27:03,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:03,626 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:27:03,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:27:03,630 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:27:03,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-12 22:27:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:27:08,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 2157 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 22:27:09,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:11,137 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 79 proven. 3 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-12 22:27:11,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:12,822 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-12 22:27:12,822 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:27:12,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1505284859] [2021-11-12 22:27:12,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1505284859] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:27:12,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [785054065] [2021-11-12 22:27:12,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:12,823 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 22:27:12,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 22:27:12,824 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 22:27:12,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2021-11-12 22:27:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:27:21,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 2157 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 22:27:21,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:23,319 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-12 22:27:23,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-12 22:27:24,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [785054065] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:27:24,416 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 22:27:24,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [17, 17] total 25 [2021-11-12 22:27:24,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145605546] [2021-11-12 22:27:24,417 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:27:24,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 22:27:24,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:27:24,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 22:27:24,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=547, Unknown=0, NotChecked=0, Total=600 [2021-11-12 22:27:24,419 INFO L87 Difference]: Start difference. First operand 4729 states and 6395 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 22:27:25,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:27:25,129 INFO L93 Difference]: Finished difference Result 4831 states and 6511 transitions. [2021-11-12 22:27:25,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 22:27:25,130 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 123 [2021-11-12 22:27:25,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:27:25,158 INFO L225 Difference]: With dead ends: 4831 [2021-11-12 22:27:25,158 INFO L226 Difference]: Without dead ends: 4829 [2021-11-12 22:27:25,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-11-12 22:27:25,163 INFO L933 BasicCegarLoop]: 3786 mSDtfsCounter, 3593 mSDsluCounter, 11490 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3594 SdHoareTripleChecker+Valid, 15276 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 37.79ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.89ms IncrementalHoareTripleChecker+Time [2021-11-12 22:27:25,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3594 Valid, 15276 Invalid, 8 Unknown, 0 Unchecked, 37.79ms Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 40.89ms Time] [2021-11-12 22:27:25,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4829 states. [2021-11-12 22:27:25,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4829 to 4827. [2021-11-12 22:27:25,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4827 states, 3236 states have (on average 1.2289864029666255) internal successors, (3977), 3307 states have internal predecessors, (3977), 1266 states have call successors, (1266), 307 states have call predecessors, (1266), 306 states have return successors, (1264), 1258 states have call predecessors, (1264), 1264 states have call successors, (1264) [2021-11-12 22:27:25,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4827 states to 4827 states and 6507 transitions. [2021-11-12 22:27:25,631 INFO L78 Accepts]: Start accepts. Automaton has 4827 states and 6507 transitions. Word has length 123 [2021-11-12 22:27:25,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:27:25,632 INFO L470 AbstractCegarLoop]: Abstraction has 4827 states and 6507 transitions. [2021-11-12 22:27:25,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 22:27:25,633 INFO L276 IsEmpty]: Start isEmpty. Operand 4827 states and 6507 transitions. [2021-11-12 22:27:25,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-12 22:27:25,634 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:27:25,635 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:27:25,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-11-12 22:27:25,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2021-11-12 22:27:26,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 22:27:26,059 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:27:26,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:27:26,059 INFO L85 PathProgramCache]: Analyzing trace with hash 282908363, now seen corresponding path program 1 times [2021-11-12 22:27:26,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:27:26,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1892792710] [2021-11-12 22:27:26,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:26,062 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:27:26,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:27:26,063 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:27:26,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-12 22:27:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:27:31,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 2055 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:27:31,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:32,626 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:27:32,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:33,210 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:27:33,211 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:27:33,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1892792710] [2021-11-12 22:27:33,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1892792710] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:27:33,211 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:27:33,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:27:33,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130874129] [2021-11-12 22:27:33,211 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:27:33,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:27:33,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:27:33,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:27:33,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:27:33,213 INFO L87 Difference]: Start difference. First operand 4827 states and 6507 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (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 22:27:33,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:27:33,605 INFO L93 Difference]: Finished difference Result 4827 states and 6507 transitions. [2021-11-12 22:27:33,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:27:33,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (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 106 [2021-11-12 22:27:33,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:27:33,629 INFO L225 Difference]: With dead ends: 4827 [2021-11-12 22:27:33,629 INFO L226 Difference]: Without dead ends: 4825 [2021-11-12 22:27:33,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 207 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 22:27:33,634 INFO L933 BasicCegarLoop]: 3737 mSDtfsCounter, 3659 mSDsluCounter, 3731 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3661 SdHoareTripleChecker+Valid, 7468 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.92ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.60ms IncrementalHoareTripleChecker+Time [2021-11-12 22:27:33,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3661 Valid, 7468 Invalid, 2 Unknown, 0 Unchecked, 17.92ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 11.60ms Time] [2021-11-12 22:27:33,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4825 states. [2021-11-12 22:27:34,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4825 to 4825. [2021-11-12 22:27:34,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4825 states, 3235 states have (on average 1.2287480680061824) internal successors, (3975), 3305 states have internal predecessors, (3975), 1266 states have call successors, (1266), 307 states have call predecessors, (1266), 306 states have return successors, (1264), 1258 states have call predecessors, (1264), 1264 states have call successors, (1264) [2021-11-12 22:27:34,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4825 states to 4825 states and 6505 transitions. [2021-11-12 22:27:34,084 INFO L78 Accepts]: Start accepts. Automaton has 4825 states and 6505 transitions. Word has length 106 [2021-11-12 22:27:34,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:27:34,085 INFO L470 AbstractCegarLoop]: Abstraction has 4825 states and 6505 transitions. [2021-11-12 22:27:34,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (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 22:27:34,085 INFO L276 IsEmpty]: Start isEmpty. Operand 4825 states and 6505 transitions. [2021-11-12 22:27:34,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-12 22:27:34,087 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:27:34,088 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 22:27:34,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-12 22:27:34,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:27:34,308 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:27:34,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:27:34,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1292182286, now seen corresponding path program 1 times [2021-11-12 22:27:34,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:27:34,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1326842951] [2021-11-12 22:27:34,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:34,314 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:27:34,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:27:34,315 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:27:34,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-12 22:27:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:27:40,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 2058 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:27:40,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:41,450 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:27:41,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:42,100 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:27:42,100 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:27:42,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1326842951] [2021-11-12 22:27:42,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1326842951] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:27:42,101 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:27:42,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:27:42,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363220266] [2021-11-12 22:27:42,101 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:27:42,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:27:42,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:27:42,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:27:42,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:27:42,103 INFO L87 Difference]: Start difference. First operand 4825 states and 6505 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (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 22:27:42,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:27:42,496 INFO L93 Difference]: Finished difference Result 4825 states and 6505 transitions. [2021-11-12 22:27:42,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:27:42,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (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 108 [2021-11-12 22:27:42,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:27:42,517 INFO L225 Difference]: With dead ends: 4825 [2021-11-12 22:27:42,517 INFO L226 Difference]: Without dead ends: 4823 [2021-11-12 22:27:42,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 211 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 22:27:42,520 INFO L933 BasicCegarLoop]: 3735 mSDtfsCounter, 3647 mSDsluCounter, 3733 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3649 SdHoareTripleChecker+Valid, 7468 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.02ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.13ms IncrementalHoareTripleChecker+Time [2021-11-12 22:27:42,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3649 Valid, 7468 Invalid, 2 Unknown, 0 Unchecked, 14.02ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 12.13ms Time] [2021-11-12 22:27:42,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4823 states. [2021-11-12 22:27:42,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4823 to 4823. [2021-11-12 22:27:42,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4823 states, 3234 states have (on average 1.2285095856524428) internal successors, (3973), 3303 states have internal predecessors, (3973), 1266 states have call successors, (1266), 307 states have call predecessors, (1266), 306 states have return successors, (1264), 1258 states have call predecessors, (1264), 1264 states have call successors, (1264) [2021-11-12 22:27:42,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4823 states to 4823 states and 6503 transitions. [2021-11-12 22:27:42,953 INFO L78 Accepts]: Start accepts. Automaton has 4823 states and 6503 transitions. Word has length 108 [2021-11-12 22:27:42,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:27:42,953 INFO L470 AbstractCegarLoop]: Abstraction has 4823 states and 6503 transitions. [2021-11-12 22:27:42,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (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 22:27:42,955 INFO L276 IsEmpty]: Start isEmpty. Operand 4823 states and 6503 transitions. [2021-11-12 22:27:42,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-12 22:27:42,957 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:27:42,957 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:27:43,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-12 22:27:43,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:27:43,170 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:27:43,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:27:43,171 INFO L85 PathProgramCache]: Analyzing trace with hash -208892171, now seen corresponding path program 1 times [2021-11-12 22:27:43,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:27:43,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215219809] [2021-11-12 22:27:43,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:43,175 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:27:43,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:27:43,177 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:27:43,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-12 22:27:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:27:48,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 2067 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:27:48,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:50,166 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:27:50,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:27:50,927 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:27:50,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1215219809] [2021-11-12 22:27:50,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1215219809] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:27:50,927 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:27:50,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:27:50,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745511768] [2021-11-12 22:27:50,928 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:27:50,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:27:50,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:27:50,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:27:50,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:27:50,929 INFO L87 Difference]: Start difference. First operand 4823 states and 6503 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (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 22:27:51,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:27:51,321 INFO L93 Difference]: Finished difference Result 4823 states and 6503 transitions. [2021-11-12 22:27:51,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:27:51,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (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 114 [2021-11-12 22:27:51,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:27:51,346 INFO L225 Difference]: With dead ends: 4823 [2021-11-12 22:27:51,346 INFO L226 Difference]: Without dead ends: 4821 [2021-11-12 22:27:51,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 223 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 22:27:51,351 INFO L933 BasicCegarLoop]: 3733 mSDtfsCounter, 3639 mSDsluCounter, 3731 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3641 SdHoareTripleChecker+Valid, 7464 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.16ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.55ms IncrementalHoareTripleChecker+Time [2021-11-12 22:27:51,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3641 Valid, 7464 Invalid, 2 Unknown, 0 Unchecked, 14.16ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 13.55ms Time] [2021-11-12 22:27:51,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4821 states. [2021-11-12 22:27:51,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4821 to 4821. [2021-11-12 22:27:51,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4821 states, 3233 states have (on average 1.228270955768636) internal successors, (3971), 3301 states have internal predecessors, (3971), 1266 states have call successors, (1266), 307 states have call predecessors, (1266), 306 states have return successors, (1264), 1258 states have call predecessors, (1264), 1264 states have call successors, (1264) [2021-11-12 22:27:51,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4821 states to 4821 states and 6501 transitions. [2021-11-12 22:27:51,929 INFO L78 Accepts]: Start accepts. Automaton has 4821 states and 6501 transitions. Word has length 114 [2021-11-12 22:27:51,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:27:51,930 INFO L470 AbstractCegarLoop]: Abstraction has 4821 states and 6501 transitions. [2021-11-12 22:27:51,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (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 22:27:51,930 INFO L276 IsEmpty]: Start isEmpty. Operand 4821 states and 6501 transitions. [2021-11-12 22:27:51,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-12 22:27:51,933 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:27:51,933 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:27:52,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-12 22:27:52,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:27:52,158 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:27:52,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:27:52,159 INFO L85 PathProgramCache]: Analyzing trace with hash 767627696, now seen corresponding path program 1 times [2021-11-12 22:27:52,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:27:52,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1147127199] [2021-11-12 22:27:52,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:52,164 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:27:52,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:27:52,165 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:27:52,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-12 22:27:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:27:57,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 2076 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:27:57,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:27:58,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:27:59,510 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:27:59,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1147127199] [2021-11-12 22:27:59,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1147127199] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:27:59,511 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:27:59,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:27:59,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372652083] [2021-11-12 22:27:59,511 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:27:59,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:27:59,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:27:59,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:27:59,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:27:59,512 INFO L87 Difference]: Start difference. First operand 4821 states and 6501 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (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 22:27:59,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:27:59,869 INFO L93 Difference]: Finished difference Result 4821 states and 6501 transitions. [2021-11-12 22:27:59,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:27:59,869 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (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 120 [2021-11-12 22:27:59,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:27:59,888 INFO L225 Difference]: With dead ends: 4821 [2021-11-12 22:27:59,888 INFO L226 Difference]: Without dead ends: 4819 [2021-11-12 22:27:59,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 235 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 22:27:59,892 INFO L933 BasicCegarLoop]: 3731 mSDtfsCounter, 3628 mSDsluCounter, 7458 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3630 SdHoareTripleChecker+Valid, 11189 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.94ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.03ms IncrementalHoareTripleChecker+Time [2021-11-12 22:27:59,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3630 Valid, 11189 Invalid, 2 Unknown, 0 Unchecked, 13.94ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.03ms Time] [2021-11-12 22:27:59,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4819 states. [2021-11-12 22:28:00,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4819 to 4819. [2021-11-12 22:28:00,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4819 states, 3232 states have (on average 1.2280321782178218) internal successors, (3969), 3299 states have internal predecessors, (3969), 1266 states have call successors, (1266), 307 states have call predecessors, (1266), 306 states have return successors, (1264), 1258 states have call predecessors, (1264), 1264 states have call successors, (1264) [2021-11-12 22:28:00,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4819 states to 4819 states and 6499 transitions. [2021-11-12 22:28:00,384 INFO L78 Accepts]: Start accepts. Automaton has 4819 states and 6499 transitions. Word has length 120 [2021-11-12 22:28:00,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:28:00,385 INFO L470 AbstractCegarLoop]: Abstraction has 4819 states and 6499 transitions. [2021-11-12 22:28:00,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (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 22:28:00,386 INFO L276 IsEmpty]: Start isEmpty. Operand 4819 states and 6499 transitions. [2021-11-12 22:28:00,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-12 22:28:00,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:28:00,389 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:28:00,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-12 22:28:00,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:28:00,614 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:28:00,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:28:00,615 INFO L85 PathProgramCache]: Analyzing trace with hash -673696038, now seen corresponding path program 1 times [2021-11-12 22:28:00,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:28:00,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801685238] [2021-11-12 22:28:00,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:28:00,619 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:28:00,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:28:00,620 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:28:00,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-12 22:28:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:28:05,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 2085 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:28:05,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:28:07,405 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:28:07,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:28:08,053 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:28:08,054 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:28:08,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [801685238] [2021-11-12 22:28:08,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [801685238] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:28:08,054 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:28:08,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:28:08,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652664579] [2021-11-12 22:28:08,055 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:28:08,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:28:08,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:28:08,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:28:08,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:28:08,056 INFO L87 Difference]: Start difference. First operand 4819 states and 6499 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (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 22:28:08,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:28:08,371 INFO L93 Difference]: Finished difference Result 4819 states and 6499 transitions. [2021-11-12 22:28:08,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:28:08,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (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 126 [2021-11-12 22:28:08,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:28:08,392 INFO L225 Difference]: With dead ends: 4819 [2021-11-12 22:28:08,392 INFO L226 Difference]: Without dead ends: 4817 [2021-11-12 22:28:08,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 247 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 22:28:08,396 INFO L933 BasicCegarLoop]: 3729 mSDtfsCounter, 3623 mSDsluCounter, 3727 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3625 SdHoareTripleChecker+Valid, 7456 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.12ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.20ms IncrementalHoareTripleChecker+Time [2021-11-12 22:28:08,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3625 Valid, 7456 Invalid, 2 Unknown, 0 Unchecked, 10.12ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.20ms Time] [2021-11-12 22:28:08,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4817 states. [2021-11-12 22:28:08,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4817 to 4817. [2021-11-12 22:28:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4817 states, 3231 states have (on average 1.2277932528628908) internal successors, (3967), 3297 states have internal predecessors, (3967), 1266 states have call successors, (1266), 307 states have call predecessors, (1266), 306 states have return successors, (1264), 1258 states have call predecessors, (1264), 1264 states have call successors, (1264) [2021-11-12 22:28:08,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4817 states to 4817 states and 6497 transitions. [2021-11-12 22:28:08,986 INFO L78 Accepts]: Start accepts. Automaton has 4817 states and 6497 transitions. Word has length 126 [2021-11-12 22:28:08,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:28:08,988 INFO L470 AbstractCegarLoop]: Abstraction has 4817 states and 6497 transitions. [2021-11-12 22:28:08,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (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 22:28:08,988 INFO L276 IsEmpty]: Start isEmpty. Operand 4817 states and 6497 transitions. [2021-11-12 22:28:08,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-12 22:28:08,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:28:08,992 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:28:09,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-12 22:28:09,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:28:09,216 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:28:09,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:28:09,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1727183827, now seen corresponding path program 1 times [2021-11-12 22:28:09,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:28:09,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957421370] [2021-11-12 22:28:09,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:28:09,221 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:28:09,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:28:09,223 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:28:09,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-12 22:28:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:28:14,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 2094 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:28:14,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:28:16,276 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:28:16,276 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:28:16,958 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:28:16,958 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:28:16,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957421370] [2021-11-12 22:28:16,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957421370] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:28:16,958 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:28:16,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:28:16,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293615076] [2021-11-12 22:28:16,959 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:28:16,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:28:16,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:28:16,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:28:16,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:28:16,961 INFO L87 Difference]: Start difference. First operand 4817 states and 6497 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (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 22:28:17,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:28:17,317 INFO L93 Difference]: Finished difference Result 4817 states and 6497 transitions. [2021-11-12 22:28:17,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:28:17,318 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (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 132 [2021-11-12 22:28:17,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:28:17,335 INFO L225 Difference]: With dead ends: 4817 [2021-11-12 22:28:17,335 INFO L226 Difference]: Without dead ends: 4815 [2021-11-12 22:28:17,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 259 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 22:28:17,339 INFO L933 BasicCegarLoop]: 3727 mSDtfsCounter, 3612 mSDsluCounter, 7450 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3614 SdHoareTripleChecker+Valid, 11177 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.67ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.31ms IncrementalHoareTripleChecker+Time [2021-11-12 22:28:17,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3614 Valid, 11177 Invalid, 2 Unknown, 0 Unchecked, 14.67ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.31ms Time] [2021-11-12 22:28:17,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4815 states. [2021-11-12 22:28:17,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4815 to 4815. [2021-11-12 22:28:17,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4815 states, 3230 states have (on average 1.2275541795665634) internal successors, (3965), 3295 states have internal predecessors, (3965), 1266 states have call successors, (1266), 307 states have call predecessors, (1266), 306 states have return successors, (1264), 1258 states have call predecessors, (1264), 1264 states have call successors, (1264) [2021-11-12 22:28:17,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4815 states to 4815 states and 6495 transitions. [2021-11-12 22:28:17,940 INFO L78 Accepts]: Start accepts. Automaton has 4815 states and 6495 transitions. Word has length 132 [2021-11-12 22:28:17,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:28:17,941 INFO L470 AbstractCegarLoop]: Abstraction has 4815 states and 6495 transitions. [2021-11-12 22:28:17,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (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 22:28:17,941 INFO L276 IsEmpty]: Start isEmpty. Operand 4815 states and 6495 transitions. [2021-11-12 22:28:17,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-12 22:28:17,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:28:17,944 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:28:18,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-12 22:28:18,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:28:18,167 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:28:18,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:28:18,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1804007079, now seen corresponding path program 1 times [2021-11-12 22:28:18,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:28:18,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648871796] [2021-11-12 22:28:18,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:28:18,172 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:28:18,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:28:18,173 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:28:18,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-12 22:28:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:28:23,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 2103 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:28:23,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:28:25,294 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:28:25,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:28:25,979 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:28:25,979 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:28:25,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648871796] [2021-11-12 22:28:25,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [648871796] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:28:25,979 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:28:25,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:28:25,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416973943] [2021-11-12 22:28:25,980 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:28:25,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:28:25,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:28:25,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:28:25,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:28:25,981 INFO L87 Difference]: Start difference. First operand 4815 states and 6495 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (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 22:28:26,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:28:26,385 INFO L93 Difference]: Finished difference Result 4815 states and 6495 transitions. [2021-11-12 22:28:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:28:26,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (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 138 [2021-11-12 22:28:26,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:28:26,401 INFO L225 Difference]: With dead ends: 4815 [2021-11-12 22:28:26,401 INFO L226 Difference]: Without dead ends: 4813 [2021-11-12 22:28:26,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 271 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 22:28:26,404 INFO L933 BasicCegarLoop]: 3725 mSDtfsCounter, 3604 mSDsluCounter, 7446 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3606 SdHoareTripleChecker+Valid, 11171 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.42ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.32ms IncrementalHoareTripleChecker+Time [2021-11-12 22:28:26,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3606 Valid, 11171 Invalid, 2 Unknown, 0 Unchecked, 14.42ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.32ms Time] [2021-11-12 22:28:26,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4813 states. [2021-11-12 22:28:26,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4813 to 4813. [2021-11-12 22:28:26,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4813 states, 3229 states have (on average 1.2273149581913905) internal successors, (3963), 3293 states have internal predecessors, (3963), 1266 states have call successors, (1266), 307 states have call predecessors, (1266), 306 states have return successors, (1264), 1258 states have call predecessors, (1264), 1264 states have call successors, (1264) [2021-11-12 22:28:26,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4813 states to 4813 states and 6493 transitions. [2021-11-12 22:28:26,937 INFO L78 Accepts]: Start accepts. Automaton has 4813 states and 6493 transitions. Word has length 138 [2021-11-12 22:28:26,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:28:26,938 INFO L470 AbstractCegarLoop]: Abstraction has 4813 states and 6493 transitions. [2021-11-12 22:28:26,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (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 22:28:26,938 INFO L276 IsEmpty]: Start isEmpty. Operand 4813 states and 6493 transitions. [2021-11-12 22:28:26,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-12 22:28:26,941 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:28:26,942 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:28:27,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-12 22:28:27,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:28:27,162 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:28:27,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:28:27,163 INFO L85 PathProgramCache]: Analyzing trace with hash 128985629, now seen corresponding path program 1 times [2021-11-12 22:28:27,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:28:27,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [336433868] [2021-11-12 22:28:27,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:28:27,166 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:28:27,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:28:27,167 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:28:27,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-12 22:28:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:28:32,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 2237 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 22:28:32,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:28:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 95 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-12 22:28:35,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:28:37,127 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2021-11-12 22:28:37,127 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:28:37,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [336433868] [2021-11-12 22:28:37,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [336433868] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:28:37,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [699315203] [2021-11-12 22:28:37,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:28:37,128 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 22:28:37,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 22:28:37,136 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 22:28:37,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2021-11-12 22:28:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:28:39,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 2237 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:28:39,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:28:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-12 22:28:40,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:28:41,114 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-12 22:28:41,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [699315203] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:28:41,115 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 22:28:41,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [17, 17] total 23 [2021-11-12 22:28:41,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9317048] [2021-11-12 22:28:41,115 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:28:41,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:28:41,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:28:41,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:28:41,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=459, Unknown=0, NotChecked=0, Total=506 [2021-11-12 22:28:41,117 INFO L87 Difference]: Start difference. First operand 4813 states and 6493 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 1 states have call successors, (24) [2021-11-12 22:28:41,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:28:41,827 INFO L93 Difference]: Finished difference Result 9619 states and 13037 transitions. [2021-11-12 22:28:41,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 22:28:41,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2021-11-12 22:28:41,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:28:41,867 INFO L225 Difference]: With dead ends: 9619 [2021-11-12 22:28:41,868 INFO L226 Difference]: Without dead ends: 4827 [2021-11-12 22:28:41,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 645 GetRequests, 623 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=51, Invalid=501, Unknown=0, NotChecked=0, Total=552 [2021-11-12 22:28:41,896 INFO L933 BasicCegarLoop]: 3725 mSDtfsCounter, 3 mSDsluCounter, 11162 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 14887 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.10ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 85.33ms IncrementalHoareTripleChecker+Time [2021-11-12 22:28:41,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 14887 Invalid, 15 Unknown, 0 Unchecked, 16.10ms Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 85.33ms Time] [2021-11-12 22:28:41,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4827 states. [2021-11-12 22:28:42,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4827 to 4825. [2021-11-12 22:28:42,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4825 states, 3238 states have (on average 1.2266831377393452) internal successors, (3972), 3302 states have internal predecessors, (3972), 1266 states have call successors, (1266), 307 states have call predecessors, (1266), 309 states have return successors, (1305), 1261 states have call predecessors, (1305), 1264 states have call successors, (1305) [2021-11-12 22:28:42,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4825 states to 4825 states and 6543 transitions. [2021-11-12 22:28:42,408 INFO L78 Accepts]: Start accepts. Automaton has 4825 states and 6543 transitions. Word has length 162 [2021-11-12 22:28:42,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:28:42,409 INFO L470 AbstractCegarLoop]: Abstraction has 4825 states and 6543 transitions. [2021-11-12 22:28:42,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 1 states have call successors, (24) [2021-11-12 22:28:42,409 INFO L276 IsEmpty]: Start isEmpty. Operand 4825 states and 6543 transitions. [2021-11-12 22:28:42,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-12 22:28:42,412 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:28:42,412 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:28:42,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2021-11-12 22:28:42,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-12 22:28:42,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:28:42,815 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:28:42,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:28:42,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1636537438, now seen corresponding path program 1 times [2021-11-12 22:28:42,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:28:42,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364685957] [2021-11-12 22:28:42,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:28:42,819 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:28:42,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:28:42,820 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:28:42,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-12 22:28:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:28:48,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 2237 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 22:28:48,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:28:50,860 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 95 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-12 22:28:50,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:28:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2021-11-12 22:28:52,793 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:28:52,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364685957] [2021-11-12 22:28:52,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1364685957] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:28:52,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1927767992] [2021-11-12 22:28:52,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:28:52,793 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 22:28:52,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 22:28:52,794 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 22:28:52,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2021-11-12 22:28:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:28:57,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 2237 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:28:57,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:28:58,264 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-12 22:28:58,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:28:58,897 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-12 22:28:58,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1927767992] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:28:58,898 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 22:28:58,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [17, 17] total 22 [2021-11-12 22:28:58,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818558392] [2021-11-12 22:28:58,898 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:28:58,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:28:58,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:28:58,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:28:58,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-11-12 22:28:58,900 INFO L87 Difference]: Start difference. First operand 4825 states and 6543 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2021-11-12 22:28:59,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:28:59,361 INFO L93 Difference]: Finished difference Result 9693 states and 13415 transitions. [2021-11-12 22:28:59,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:28:59,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2021-11-12 22:28:59,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:28:59,384 INFO L225 Difference]: With dead ends: 9693 [2021-11-12 22:28:59,384 INFO L226 Difference]: Without dead ends: 4889 [2021-11-12 22:28:59,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 644 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-11-12 22:28:59,413 INFO L933 BasicCegarLoop]: 3727 mSDtfsCounter, 21 mSDsluCounter, 3723 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 7450 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.03ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.20ms IncrementalHoareTripleChecker+Time [2021-11-12 22:28:59,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 7450 Invalid, 13 Unknown, 0 Unchecked, 9.03ms Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 58.20ms Time] [2021-11-12 22:28:59,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4889 states. [2021-11-12 22:28:59,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4889 to 4853. [2021-11-12 22:28:59,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4853 states, 3258 states have (on average 1.2265193370165746) internal successors, (3996), 3322 states have internal predecessors, (3996), 1274 states have call successors, (1274), 307 states have call predecessors, (1274), 309 states have return successors, (1313), 1269 states have call predecessors, (1313), 1272 states have call successors, (1313) [2021-11-12 22:28:59,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4853 states to 4853 states and 6583 transitions. [2021-11-12 22:28:59,905 INFO L78 Accepts]: Start accepts. Automaton has 4853 states and 6583 transitions. Word has length 162 [2021-11-12 22:28:59,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:28:59,905 INFO L470 AbstractCegarLoop]: Abstraction has 4853 states and 6583 transitions. [2021-11-12 22:28:59,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2021-11-12 22:28:59,906 INFO L276 IsEmpty]: Start isEmpty. Operand 4853 states and 6583 transitions. [2021-11-12 22:28:59,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-12 22:28:59,908 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:28:59,908 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:28:59,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2021-11-12 22:29:00,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-12 22:29:00,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:29:00,315 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:29:00,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:29:00,315 INFO L85 PathProgramCache]: Analyzing trace with hash -176559558, now seen corresponding path program 1 times [2021-11-12 22:29:00,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:29:00,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113811911] [2021-11-12 22:29:00,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:29:00,319 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:29:00,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:29:00,320 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:29:00,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-12 22:29:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:29:05,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 2112 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:29:05,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:29:07,464 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:29:07,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:29:08,775 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:29:08,775 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:29:08,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113811911] [2021-11-12 22:29:08,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [113811911] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:29:08,776 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:29:08,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-12 22:29:08,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058093939] [2021-11-12 22:29:08,776 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:29:08,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 22:29:08,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:29:08,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 22:29:08,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:29:08,777 INFO L87 Difference]: Start difference. First operand 4853 states and 6583 transitions. Second operand has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-12 22:29:12,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:29:12,092 INFO L93 Difference]: Finished difference Result 4853 states and 6583 transitions. [2021-11-12 22:29:12,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:29:12,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 144 [2021-11-12 22:29:12,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:29:12,107 INFO L225 Difference]: With dead ends: 4853 [2021-11-12 22:29:12,107 INFO L226 Difference]: Without dead ends: 4851 [2021-11-12 22:29:12,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 22:29:12,110 INFO L933 BasicCegarLoop]: 3723 mSDtfsCounter, 5818 mSDsluCounter, 7442 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1462 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2212.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5820 SdHoareTripleChecker+Valid, 11165 SdHoareTripleChecker+Invalid, 1464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.32ms SdHoareTripleChecker+Time, 1462 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2789.19ms IncrementalHoareTripleChecker+Time [2021-11-12 22:29:12,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5820 Valid, 11165 Invalid, 1464 Unknown, 0 Unchecked, 34.32ms Time], IncrementalHoareTripleChecker [1462 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 2789.19ms Time] [2021-11-12 22:29:12,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4851 states. [2021-11-12 22:29:12,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4851 to 4851. [2021-11-12 22:29:12,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4851 states, 3257 states have (on average 1.226281854467301) internal successors, (3994), 3320 states have internal predecessors, (3994), 1274 states have call successors, (1274), 307 states have call predecessors, (1274), 309 states have return successors, (1313), 1269 states have call predecessors, (1313), 1272 states have call successors, (1313) [2021-11-12 22:29:12,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4851 states to 4851 states and 6581 transitions. [2021-11-12 22:29:12,766 INFO L78 Accepts]: Start accepts. Automaton has 4851 states and 6581 transitions. Word has length 144 [2021-11-12 22:29:12,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:29:12,767 INFO L470 AbstractCegarLoop]: Abstraction has 4851 states and 6581 transitions. [2021-11-12 22:29:12,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-12 22:29:12,767 INFO L276 IsEmpty]: Start isEmpty. Operand 4851 states and 6581 transitions. [2021-11-12 22:29:12,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-12 22:29:12,770 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:29:12,771 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:29:12,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-12 22:29:12,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:29:12,987 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:29:12,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:29:12,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1440404068, now seen corresponding path program 1 times [2021-11-12 22:29:12,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:29:12,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128811282] [2021-11-12 22:29:12,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:29:12,990 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:29:12,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:29:12,991 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:29:12,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-12 22:29:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:29:18,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 2256 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 22:29:18,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:29:20,779 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 95 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-12 22:29:20,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:29:22,635 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2021-11-12 22:29:22,635 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:29:22,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128811282] [2021-11-12 22:29:22,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128811282] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:29:22,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [376157193] [2021-11-12 22:29:22,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:29:22,636 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 22:29:22,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 22:29:22,636 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 22:29:22,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2021-11-12 22:29:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:29:24,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 2256 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:29:24,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:29:25,524 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-12 22:29:25,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:29:26,008 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-12 22:29:26,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [376157193] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:29:26,008 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 22:29:26,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [17, 17] total 21 [2021-11-12 22:29:26,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675382424] [2021-11-12 22:29:26,009 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:29:26,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 22:29:26,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:29:26,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 22:29:26,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2021-11-12 22:29:26,010 INFO L87 Difference]: Start difference. First operand 4851 states and 6581 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2021-11-12 22:29:26,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:29:26,490 INFO L93 Difference]: Finished difference Result 9687 states and 13216 transitions. [2021-11-12 22:29:26,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 22:29:26,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) Word has length 173 [2021-11-12 22:29:26,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:29:26,510 INFO L225 Difference]: With dead ends: 9687 [2021-11-12 22:29:26,510 INFO L226 Difference]: Without dead ends: 4857 [2021-11-12 22:29:26,529 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 688 GetRequests, 669 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2021-11-12 22:29:26,530 INFO L933 BasicCegarLoop]: 3724 mSDtfsCounter, 2 mSDsluCounter, 3719 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 7443 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.20ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.86ms IncrementalHoareTripleChecker+Time [2021-11-12 22:29:26,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 7443 Invalid, 6 Unknown, 0 Unchecked, 9.20ms Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 29.86ms Time] [2021-11-12 22:29:26,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4857 states. [2021-11-12 22:29:27,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4857 to 4855. [2021-11-12 22:29:27,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4855 states, 3261 states have (on average 1.2260042931616069) internal successors, (3998), 3324 states have internal predecessors, (3998), 1274 states have call successors, (1274), 307 states have call predecessors, (1274), 309 states have return successors, (1313), 1269 states have call predecessors, (1313), 1272 states have call successors, (1313) [2021-11-12 22:29:27,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 4855 states and 6585 transitions. [2021-11-12 22:29:27,025 INFO L78 Accepts]: Start accepts. Automaton has 4855 states and 6585 transitions. Word has length 173 [2021-11-12 22:29:27,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:29:27,026 INFO L470 AbstractCegarLoop]: Abstraction has 4855 states and 6585 transitions. [2021-11-12 22:29:27,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2021-11-12 22:29:27,026 INFO L276 IsEmpty]: Start isEmpty. Operand 4855 states and 6585 transitions. [2021-11-12 22:29:27,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-12 22:29:27,028 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:29:27,029 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:29:27,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Ended with exit code 0 [2021-11-12 22:29:27,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2021-11-12 22:29:27,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 22:29:27,431 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:29:27,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:29:27,431 INFO L85 PathProgramCache]: Analyzing trace with hash 747141799, now seen corresponding path program 1 times [2021-11-12 22:29:27,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:29:27,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1447185594] [2021-11-12 22:29:27,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:29:27,434 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:29:27,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:29:27,435 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:29:27,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-12 22:29:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:29:33,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 2121 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:29:33,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:29:34,768 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:29:34,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:29:35,513 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:29:35,513 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:29:35,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1447185594] [2021-11-12 22:29:35,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1447185594] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:29:35,514 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:29:35,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:29:35,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410178369] [2021-11-12 22:29:35,514 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:29:35,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:29:35,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:29:35,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:29:35,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:29:35,516 INFO L87 Difference]: Start difference. First operand 4855 states and 6585 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (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 22:29:35,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:29:35,985 INFO L93 Difference]: Finished difference Result 4855 states and 6585 transitions. [2021-11-12 22:29:35,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:29:35,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (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 150 [2021-11-12 22:29:35,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:29:36,007 INFO L225 Difference]: With dead ends: 4855 [2021-11-12 22:29:36,007 INFO L226 Difference]: Without dead ends: 4853 [2021-11-12 22:29:36,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 294 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 22:29:36,012 INFO L933 BasicCegarLoop]: 3721 mSDtfsCounter, 3588 mSDsluCounter, 7438 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3590 SdHoareTripleChecker+Valid, 11159 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.19ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.50ms IncrementalHoareTripleChecker+Time [2021-11-12 22:29:36,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3590 Valid, 11159 Invalid, 2 Unknown, 0 Unchecked, 15.19ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 12.50ms Time] [2021-11-12 22:29:36,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4853 states. [2021-11-12 22:29:36,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4853 to 4853. [2021-11-12 22:29:36,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4853 states, 3260 states have (on average 1.2257668711656442) internal successors, (3996), 3322 states have internal predecessors, (3996), 1274 states have call successors, (1274), 307 states have call predecessors, (1274), 309 states have return successors, (1313), 1269 states have call predecessors, (1313), 1272 states have call successors, (1313) [2021-11-12 22:29:36,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4853 states to 4853 states and 6583 transitions. [2021-11-12 22:29:36,661 INFO L78 Accepts]: Start accepts. Automaton has 4853 states and 6583 transitions. Word has length 150 [2021-11-12 22:29:36,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:29:36,662 INFO L470 AbstractCegarLoop]: Abstraction has 4853 states and 6583 transitions. [2021-11-12 22:29:36,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (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 22:29:36,662 INFO L276 IsEmpty]: Start isEmpty. Operand 4853 states and 6583 transitions. [2021-11-12 22:29:36,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-12 22:29:36,666 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:29:36,666 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:29:36,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Ended with exit code 0 [2021-11-12 22:29:36,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:29:36,891 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:29:36,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:29:36,891 INFO L85 PathProgramCache]: Analyzing trace with hash 788842412, now seen corresponding path program 1 times [2021-11-12 22:29:36,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:29:36,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1822270217] [2021-11-12 22:29:36,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:29:36,894 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:29:36,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:29:36,895 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:29:36,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-12 22:29:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:29:42,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 2130 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:29:42,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:29:44,220 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:29:44,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:29:44,964 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:29:44,964 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:29:44,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1822270217] [2021-11-12 22:29:44,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1822270217] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:29:44,965 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:29:44,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:29:44,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005767228] [2021-11-12 22:29:44,965 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:29:44,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:29:44,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:29:44,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:29:44,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:29:44,967 INFO L87 Difference]: Start difference. First operand 4853 states and 6583 transitions. Second operand has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (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 22:29:45,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:29:45,476 INFO L93 Difference]: Finished difference Result 4853 states and 6583 transitions. [2021-11-12 22:29:45,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:29:45,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (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 156 [2021-11-12 22:29:45,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:29:45,499 INFO L225 Difference]: With dead ends: 4853 [2021-11-12 22:29:45,500 INFO L226 Difference]: Without dead ends: 4851 [2021-11-12 22:29:45,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 307 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 22:29:45,504 INFO L933 BasicCegarLoop]: 3719 mSDtfsCounter, 3580 mSDsluCounter, 7434 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3582 SdHoareTripleChecker+Valid, 11153 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.56ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.17ms IncrementalHoareTripleChecker+Time [2021-11-12 22:29:45,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3582 Valid, 11153 Invalid, 2 Unknown, 0 Unchecked, 15.56ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 11.17ms Time] [2021-11-12 22:29:45,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4851 states. [2021-11-12 22:29:46,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4851 to 4851. [2021-11-12 22:29:46,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4851 states, 3259 states have (on average 1.2255293034673214) internal successors, (3994), 3320 states have internal predecessors, (3994), 1274 states have call successors, (1274), 307 states have call predecessors, (1274), 309 states have return successors, (1313), 1269 states have call predecessors, (1313), 1272 states have call successors, (1313) [2021-11-12 22:29:46,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4851 states to 4851 states and 6581 transitions. [2021-11-12 22:29:46,186 INFO L78 Accepts]: Start accepts. Automaton has 4851 states and 6581 transitions. Word has length 156 [2021-11-12 22:29:46,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:29:46,187 INFO L470 AbstractCegarLoop]: Abstraction has 4851 states and 6581 transitions. [2021-11-12 22:29:46,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (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 22:29:46,187 INFO L276 IsEmpty]: Start isEmpty. Operand 4851 states and 6581 transitions. [2021-11-12 22:29:46,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-12 22:29:46,191 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:29:46,192 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:29:46,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-11-12 22:29:46,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:29:46,392 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:29:46,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:29:46,393 INFO L85 PathProgramCache]: Analyzing trace with hash -2027612812, now seen corresponding path program 1 times [2021-11-12 22:29:46,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:29:46,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [64973333] [2021-11-12 22:29:46,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:29:46,396 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:29:46,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:29:46,397 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:29:46,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-12 22:29:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:29:51,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 2139 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:29:51,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:29:53,643 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:29:53,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:29:54,428 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:29:54,428 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:29:54,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [64973333] [2021-11-12 22:29:54,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [64973333] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:29:54,428 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:29:54,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:29:54,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093737909] [2021-11-12 22:29:54,429 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:29:54,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:29:54,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:29:54,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:29:54,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:29:54,430 INFO L87 Difference]: Start difference. First operand 4851 states and 6581 transitions. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-12 22:29:54,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:29:54,867 INFO L93 Difference]: Finished difference Result 4851 states and 6581 transitions. [2021-11-12 22:29:54,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:29:54,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 162 [2021-11-12 22:29:54,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:29:54,889 INFO L225 Difference]: With dead ends: 4851 [2021-11-12 22:29:54,889 INFO L226 Difference]: Without dead ends: 4849 [2021-11-12 22:29:54,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 319 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 22:29:54,894 INFO L933 BasicCegarLoop]: 3717 mSDtfsCounter, 3575 mSDsluCounter, 3715 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3577 SdHoareTripleChecker+Valid, 7432 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.57ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.35ms IncrementalHoareTripleChecker+Time [2021-11-12 22:29:54,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3577 Valid, 7432 Invalid, 2 Unknown, 0 Unchecked, 11.57ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.35ms Time] [2021-11-12 22:29:54,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4849 states. [2021-11-12 22:29:55,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4849 to 4849. [2021-11-12 22:29:55,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4849 states, 3258 states have (on average 1.225291589932474) internal successors, (3992), 3318 states have internal predecessors, (3992), 1274 states have call successors, (1274), 307 states have call predecessors, (1274), 309 states have return successors, (1313), 1269 states have call predecessors, (1313), 1272 states have call successors, (1313) [2021-11-12 22:29:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4849 states to 4849 states and 6579 transitions. [2021-11-12 22:29:55,607 INFO L78 Accepts]: Start accepts. Automaton has 4849 states and 6579 transitions. Word has length 162 [2021-11-12 22:29:55,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:29:55,608 INFO L470 AbstractCegarLoop]: Abstraction has 4849 states and 6579 transitions. [2021-11-12 22:29:55,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-12 22:29:55,608 INFO L276 IsEmpty]: Start isEmpty. Operand 4849 states and 6579 transitions. [2021-11-12 22:29:55,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-12 22:29:55,612 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:29:55,613 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:29:55,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-12 22:29:55,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:29:55,823 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:29:55,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:29:55,823 INFO L85 PathProgramCache]: Analyzing trace with hash -551408878, now seen corresponding path program 1 times [2021-11-12 22:29:55,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:29:55,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [54109750] [2021-11-12 22:29:55,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:29:55,828 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:29:55,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:29:55,830 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:29:55,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-11-12 22:30:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:30:01,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 2279 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 22:30:01,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:30:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 95 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-11-12 22:30:03,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:30:05,741 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-12 22:30:05,741 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:30:05,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [54109750] [2021-11-12 22:30:05,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [54109750] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:30:05,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1675770533] [2021-11-12 22:30:05,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:30:05,743 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 22:30:05,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 22:30:05,745 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 22:30:05,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2021-11-12 22:30:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:30:10,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 2279 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:30:10,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:30:11,935 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-12 22:30:11,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:30:13,292 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-12 22:30:13,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1675770533] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:30:13,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454071555] [2021-11-12 22:30:13,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:30:13,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 22:30:13,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:30:13,299 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 22:30:13,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2021-11-12 22:30:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:30:15,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 2279 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 22:30:15,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:30:16,891 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 95 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-11-12 22:30:16,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:30:18,172 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-12 22:30:18,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454071555] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:30:18,173 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-12 22:30:18,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 5, 5, 17, 17] total 26 [2021-11-12 22:30:18,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770311381] [2021-11-12 22:30:18,174 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-12 22:30:18,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-12 22:30:18,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:30:18,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-12 22:30:18,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2021-11-12 22:30:18,177 INFO L87 Difference]: Start difference. First operand 4849 states and 6579 transitions. Second operand has 26 states, 25 states have (on average 6.8) internal successors, (170), 24 states have internal predecessors, (170), 11 states have call successors, (69), 2 states have call predecessors, (69), 5 states have return successors, (69), 12 states have call predecessors, (69), 11 states have call successors, (69) [2021-11-12 22:30:27,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:30:27,346 INFO L93 Difference]: Finished difference Result 9880 states and 13764 transitions. [2021-11-12 22:30:27,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-12 22:30:27,347 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 6.8) internal successors, (170), 24 states have internal predecessors, (170), 11 states have call successors, (69), 2 states have call predecessors, (69), 5 states have return successors, (69), 12 states have call predecessors, (69), 11 states have call successors, (69) Word has length 186 [2021-11-12 22:30:27,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:30:27,366 INFO L225 Difference]: With dead ends: 9880 [2021-11-12 22:30:27,366 INFO L226 Difference]: Without dead ends: 5051 [2021-11-12 22:30:27,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1126 GetRequests, 1089 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=198, Invalid=1284, Unknown=0, NotChecked=0, Total=1482 [2021-11-12 22:30:27,387 INFO L933 BasicCegarLoop]: 3765 mSDtfsCounter, 131 mSDsluCounter, 78686 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5835.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 82451 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 81.37ms SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6101.85ms IncrementalHoareTripleChecker+Time [2021-11-12 22:30:27,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 82451 Invalid, 1419 Unknown, 0 Unchecked, 81.37ms Time], IncrementalHoareTripleChecker [263 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 6101.85ms Time] [2021-11-12 22:30:27,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5051 states. [2021-11-12 22:30:28,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5051 to 4959. [2021-11-12 22:30:28,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4959 states, 3332 states have (on average 1.2250900360144057) internal successors, (4082), 3392 states have internal predecessors, (4082), 1310 states have call successors, (1310), 307 states have call predecessors, (1310), 309 states have return successors, (1349), 1305 states have call predecessors, (1349), 1308 states have call successors, (1349) [2021-11-12 22:30:28,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4959 states to 4959 states and 6741 transitions. [2021-11-12 22:30:28,162 INFO L78 Accepts]: Start accepts. Automaton has 4959 states and 6741 transitions. Word has length 186 [2021-11-12 22:30:28,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:30:28,162 INFO L470 AbstractCegarLoop]: Abstraction has 4959 states and 6741 transitions. [2021-11-12 22:30:28,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 6.8) internal successors, (170), 24 states have internal predecessors, (170), 11 states have call successors, (69), 2 states have call predecessors, (69), 5 states have return successors, (69), 12 states have call predecessors, (69), 11 states have call successors, (69) [2021-11-12 22:30:28,163 INFO L276 IsEmpty]: Start isEmpty. Operand 4959 states and 6741 transitions. [2021-11-12 22:30:28,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-12 22:30:28,167 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:30:28,167 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:30:28,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2021-11-12 22:30:28,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2021-11-12 22:30:28,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2021-11-12 22:30:28,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 22:30:28,783 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:30:28,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:30:28,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1275987705, now seen corresponding path program 1 times [2021-11-12 22:30:28,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:30:28,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1288536321] [2021-11-12 22:30:28,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:30:28,786 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:30:28,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:30:28,787 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:30:28,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-11-12 22:30:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:30:34,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 2148 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:30:34,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:30:36,121 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:30:36,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:30:36,910 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:30:36,910 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:30:36,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1288536321] [2021-11-12 22:30:36,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1288536321] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:30:36,911 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:30:36,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:30:36,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245698172] [2021-11-12 22:30:36,911 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:30:36,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:30:36,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:30:36,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:30:36,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:30:36,916 INFO L87 Difference]: Start difference. First operand 4959 states and 6741 transitions. Second operand has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (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 22:30:37,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:30:37,414 INFO L93 Difference]: Finished difference Result 4959 states and 6741 transitions. [2021-11-12 22:30:37,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:30:37,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (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 168 [2021-11-12 22:30:37,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:30:37,430 INFO L225 Difference]: With dead ends: 4959 [2021-11-12 22:30:37,430 INFO L226 Difference]: Without dead ends: 4957 [2021-11-12 22:30:37,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 331 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 22:30:37,435 INFO L933 BasicCegarLoop]: 3715 mSDtfsCounter, 3567 mSDsluCounter, 3713 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3569 SdHoareTripleChecker+Valid, 7428 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.06ms IncrementalHoareTripleChecker+Time [2021-11-12 22:30:37,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3569 Valid, 7428 Invalid, 2 Unknown, 0 Unchecked, 11.65ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.06ms Time] [2021-11-12 22:30:37,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4957 states. [2021-11-12 22:30:38,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4957 to 4957. [2021-11-12 22:30:38,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4957 states, 3331 states have (on average 1.224857400180126) internal successors, (4080), 3390 states have internal predecessors, (4080), 1310 states have call successors, (1310), 307 states have call predecessors, (1310), 309 states have return successors, (1349), 1305 states have call predecessors, (1349), 1308 states have call successors, (1349) [2021-11-12 22:30:38,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4957 states to 4957 states and 6739 transitions. [2021-11-12 22:30:38,031 INFO L78 Accepts]: Start accepts. Automaton has 4957 states and 6739 transitions. Word has length 168 [2021-11-12 22:30:38,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:30:38,032 INFO L470 AbstractCegarLoop]: Abstraction has 4957 states and 6739 transitions. [2021-11-12 22:30:38,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (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 22:30:38,032 INFO L276 IsEmpty]: Start isEmpty. Operand 4957 states and 6739 transitions. [2021-11-12 22:30:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-12 22:30:38,037 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:30:38,037 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:30:38,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2021-11-12 22:30:38,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:30:38,250 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:30:38,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:30:38,250 INFO L85 PathProgramCache]: Analyzing trace with hash 143132723, now seen corresponding path program 1 times [2021-11-12 22:30:38,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:30:38,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2029633646] [2021-11-12 22:30:38,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:30:38,253 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:30:38,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:30:38,254 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:30:38,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-11-12 22:30:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:30:43,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 2157 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:30:43,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:30:45,595 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:30:45,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:30:46,401 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:30:46,401 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:30:46,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2029633646] [2021-11-12 22:30:46,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2029633646] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:30:46,402 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:30:46,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:30:46,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393790943] [2021-11-12 22:30:46,402 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:30:46,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:30:46,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:30:46,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:30:46,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:30:46,404 INFO L87 Difference]: Start difference. First operand 4957 states and 6739 transitions. Second operand has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-12 22:30:46,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:30:46,909 INFO L93 Difference]: Finished difference Result 4957 states and 6739 transitions. [2021-11-12 22:30:46,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:30:46,909 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 174 [2021-11-12 22:30:46,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:30:46,925 INFO L225 Difference]: With dead ends: 4957 [2021-11-12 22:30:46,925 INFO L226 Difference]: Without dead ends: 4955 [2021-11-12 22:30:46,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 343 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 22:30:46,929 INFO L933 BasicCegarLoop]: 3713 mSDtfsCounter, 3556 mSDsluCounter, 7422 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3558 SdHoareTripleChecker+Valid, 11135 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.63ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.45ms IncrementalHoareTripleChecker+Time [2021-11-12 22:30:46,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3558 Valid, 11135 Invalid, 2 Unknown, 0 Unchecked, 14.63ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.45ms Time] [2021-11-12 22:30:46,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4955 states. [2021-11-12 22:30:47,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4955 to 4955. [2021-11-12 22:30:47,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4955 states, 3330 states have (on average 1.2246246246246246) internal successors, (4078), 3388 states have internal predecessors, (4078), 1310 states have call successors, (1310), 307 states have call predecessors, (1310), 309 states have return successors, (1349), 1305 states have call predecessors, (1349), 1308 states have call successors, (1349) [2021-11-12 22:30:47,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4955 states to 4955 states and 6737 transitions. [2021-11-12 22:30:47,481 INFO L78 Accepts]: Start accepts. Automaton has 4955 states and 6737 transitions. Word has length 174 [2021-11-12 22:30:47,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:30:47,481 INFO L470 AbstractCegarLoop]: Abstraction has 4955 states and 6737 transitions. [2021-11-12 22:30:47,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-12 22:30:47,481 INFO L276 IsEmpty]: Start isEmpty. Operand 4955 states and 6737 transitions. [2021-11-12 22:30:47,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-12 22:30:47,484 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:30:47,485 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:30:47,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2021-11-12 22:30:47,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:30:47,685 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:30:47,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:30:47,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1819415184, now seen corresponding path program 1 times [2021-11-12 22:30:47,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:30:47,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078930717] [2021-11-12 22:30:47,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:30:47,689 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:30:47,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:30:47,690 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:30:47,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-12 22:30:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:30:52,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 2166 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:30:52,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:30:54,981 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:30:54,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:30:55,806 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 22:30:55,806 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:30:55,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078930717] [2021-11-12 22:30:55,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078930717] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:30:55,806 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:30:55,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 22:30:55,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897359692] [2021-11-12 22:30:55,807 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:30:55,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:30:55,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:30:55,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:30:55,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:30:55,809 INFO L87 Difference]: Start difference. First operand 4955 states and 6737 transitions. Second operand has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-12 22:30:56,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:30:56,285 INFO L93 Difference]: Finished difference Result 4955 states and 6737 transitions. [2021-11-12 22:30:56,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:30:56,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 180 [2021-11-12 22:30:56,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:30:56,302 INFO L225 Difference]: With dead ends: 4955 [2021-11-12 22:30:56,302 INFO L226 Difference]: Without dead ends: 4780 [2021-11-12 22:30:56,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 355 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 22:30:56,305 INFO L933 BasicCegarLoop]: 3712 mSDtfsCounter, 3547 mSDsluCounter, 7424 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3547 SdHoareTripleChecker+Valid, 11136 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.36ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.00ms IncrementalHoareTripleChecker+Time [2021-11-12 22:30:56,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3547 Valid, 11136 Invalid, 1 Unknown, 0 Unchecked, 13.36ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 5.00ms Time] [2021-11-12 22:30:56,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4780 states. [2021-11-12 22:30:56,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4780 to 4780. [2021-11-12 22:30:56,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4780 states, 3222 states have (on average 1.2309124767225326) internal successors, (3966), 3279 states have internal predecessors, (3966), 1263 states have call successors, (1263), 287 states have call predecessors, (1263), 290 states have return successors, (1303), 1259 states have call predecessors, (1303), 1262 states have call successors, (1303) [2021-11-12 22:30:56,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4780 states to 4780 states and 6532 transitions. [2021-11-12 22:30:56,827 INFO L78 Accepts]: Start accepts. Automaton has 4780 states and 6532 transitions. Word has length 180 [2021-11-12 22:30:56,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:30:56,827 INFO L470 AbstractCegarLoop]: Abstraction has 4780 states and 6532 transitions. [2021-11-12 22:30:56,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-12 22:30:56,827 INFO L276 IsEmpty]: Start isEmpty. Operand 4780 states and 6532 transitions. [2021-11-12 22:30:56,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-12 22:30:56,832 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:30:56,832 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:30:56,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2021-11-12 22:30:57,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:30:57,054 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:30:57,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:30:57,055 INFO L85 PathProgramCache]: Analyzing trace with hash 2066618738, now seen corresponding path program 1 times [2021-11-12 22:30:57,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:30:57,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845980122] [2021-11-12 22:30:57,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:30:57,058 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:30:57,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:30:57,059 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:30:57,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-11-12 22:31:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:31:03,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 2645 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 22:31:03,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:31:05,281 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 165 proven. 3 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2021-11-12 22:31:05,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:31:06,979 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2021-11-12 22:31:06,980 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:31:06,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845980122] [2021-11-12 22:31:06,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [845980122] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:31:06,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [54138044] [2021-11-12 22:31:06,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:31:06,980 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 22:31:06,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 22:31:06,981 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 22:31:06,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2021-11-12 22:31:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:31:09,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 2645 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 22:31:09,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:31:12,748 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2021-11-12 22:31:12,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:31:14,454 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2021-11-12 22:31:14,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [54138044] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:31:14,455 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 22:31:14,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [8, 8] total 14 [2021-11-12 22:31:14,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594643174] [2021-11-12 22:31:14,456 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:31:14,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 22:31:14,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:31:14,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 22:31:14,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-11-12 22:31:14,458 INFO L87 Difference]: Start difference. First operand 4780 states and 6532 transitions. Second operand has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 6 states have internal predecessors, (156), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (64), 3 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-12 22:31:16,914 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:31:18,930 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:31:37,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:31:37,972 INFO L93 Difference]: Finished difference Result 10233 states and 13899 transitions. [2021-11-12 22:31:37,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 22:31:37,973 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 6 states have internal predecessors, (156), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (64), 3 states have call predecessors, (64), 2 states have call successors, (64) Word has length 262 [2021-11-12 22:31:37,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:31:37,994 INFO L225 Difference]: With dead ends: 10233 [2021-11-12 22:31:37,995 INFO L226 Difference]: Without dead ends: 5465 [2021-11-12 22:31:38,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1046 GetRequests, 1032 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-11-12 22:31:38,007 INFO L933 BasicCegarLoop]: 3802 mSDtfsCounter, 3347 mSDsluCounter, 12550 mSDsCounter, 0 mSdLazyCounter, 2794 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21254.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3352 SdHoareTripleChecker+Valid, 16352 SdHoareTripleChecker+Invalid, 2799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 63.60ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2794 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22352.22ms IncrementalHoareTripleChecker+Time [2021-11-12 22:31:38,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3352 Valid, 16352 Invalid, 2799 Unknown, 0 Unchecked, 63.60ms Time], IncrementalHoareTripleChecker [3 Valid, 2794 Invalid, 2 Unknown, 0 Unchecked, 22352.22ms Time] [2021-11-12 22:31:38,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5465 states. [2021-11-12 22:31:38,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5465 to 5461. [2021-11-12 22:31:38,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5461 states, 3675 states have (on average 1.2253061224489796) internal successors, (4503), 3738 states have internal predecessors, (4503), 1413 states have call successors, (1413), 366 states have call predecessors, (1413), 368 states have return successors, (1451), 1408 states have call predecessors, (1451), 1411 states have call successors, (1451) [2021-11-12 22:31:38,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5461 states to 5461 states and 7367 transitions. [2021-11-12 22:31:38,669 INFO L78 Accepts]: Start accepts. Automaton has 5461 states and 7367 transitions. Word has length 262 [2021-11-12 22:31:38,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:31:38,670 INFO L470 AbstractCegarLoop]: Abstraction has 5461 states and 7367 transitions. [2021-11-12 22:31:38,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 6 states have internal predecessors, (156), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (64), 3 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-12 22:31:38,670 INFO L276 IsEmpty]: Start isEmpty. Operand 5461 states and 7367 transitions. [2021-11-12 22:31:38,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-12 22:31:38,676 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:31:38,676 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:31:38,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2021-11-12 22:31:38,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2021-11-12 22:31:39,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 22:31:39,086 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:31:39,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:31:39,087 INFO L85 PathProgramCache]: Analyzing trace with hash 2066678320, now seen corresponding path program 1 times [2021-11-12 22:31:39,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:31:39,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644108083] [2021-11-12 22:31:39,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:31:39,090 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:31:39,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:31:39,091 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:31:39,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2021-11-12 22:31:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:31:45,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 2645 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 22:31:45,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:31:47,309 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 165 proven. 3 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2021-11-12 22:31:47,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:31:49,030 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2021-11-12 22:31:49,031 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:31:49,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644108083] [2021-11-12 22:31:49,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [644108083] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:31:49,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [666339679] [2021-11-12 22:31:49,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:31:49,031 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 22:31:49,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 22:31:49,040 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 22:31:49,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2021-11-12 22:31:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:31:54,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 2645 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-12 22:31:54,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:31:56,553 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-11-12 22:31:56,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:31:57,921 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2021-11-12 22:31:57,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [666339679] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:31:57,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-12 22:31:57,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8, 6] total 13 [2021-11-12 22:31:57,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717783044] [2021-11-12 22:31:57,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:31:57,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 22:31:57,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:31:57,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 22:31:57,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-12 22:31:57,924 INFO L87 Difference]: Start difference. First operand 5461 states and 7367 transitions. Second operand has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 5 states have internal predecessors, (121), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-12 22:31:58,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:31:58,719 INFO L93 Difference]: Finished difference Result 10907 states and 14713 transitions. [2021-11-12 22:31:58,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 22:31:58,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 5 states have internal predecessors, (121), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) Word has length 262 [2021-11-12 22:31:58,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:31:58,737 INFO L225 Difference]: With dead ends: 10907 [2021-11-12 22:31:58,737 INFO L226 Difference]: Without dead ends: 5461 [2021-11-12 22:31:58,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1045 GetRequests, 1033 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-12 22:31:58,752 INFO L933 BasicCegarLoop]: 3523 mSDtfsCounter, 883 mSDsluCounter, 12889 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 16412 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.57ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 85.52ms IncrementalHoareTripleChecker+Time [2021-11-12 22:31:58,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1197 Valid, 16412 Invalid, 12 Unknown, 0 Unchecked, 20.57ms Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 85.52ms Time] [2021-11-12 22:31:58,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5461 states. [2021-11-12 22:31:59,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5461 to 5461. [2021-11-12 22:31:59,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5461 states, 3675 states have (on average 1.2250340136054423) internal successors, (4502), 3737 states have internal predecessors, (4502), 1413 states have call successors, (1413), 366 states have call predecessors, (1413), 368 states have return successors, (1451), 1408 states have call predecessors, (1451), 1411 states have call successors, (1451) [2021-11-12 22:31:59,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5461 states to 5461 states and 7366 transitions. [2021-11-12 22:31:59,617 INFO L78 Accepts]: Start accepts. Automaton has 5461 states and 7366 transitions. Word has length 262 [2021-11-12 22:31:59,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:31:59,617 INFO L470 AbstractCegarLoop]: Abstraction has 5461 states and 7366 transitions. [2021-11-12 22:31:59,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 5 states have internal predecessors, (121), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-12 22:31:59,618 INFO L276 IsEmpty]: Start isEmpty. Operand 5461 states and 7366 transitions. [2021-11-12 22:31:59,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-12 22:31:59,624 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:31:59,625 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:31:59,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2021-11-12 22:31:59,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (42)] Ended with exit code 0 [2021-11-12 22:32:00,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:32:00,039 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:32:00,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:32:00,039 INFO L85 PathProgramCache]: Analyzing trace with hash -92837619, now seen corresponding path program 1 times [2021-11-12 22:32:00,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:32:00,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396321114] [2021-11-12 22:32:00,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:32:00,043 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:32:00,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:32:00,044 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:32:00,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2021-11-12 22:32:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:32:06,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 2656 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-12 22:32:06,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:32:08,876 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-11-12 22:32:08,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:32:10,651 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 27 proven. 14 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-11-12 22:32:10,652 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:32:10,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [396321114] [2021-11-12 22:32:10,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [396321114] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:32:10,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:32:10,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14] total 17 [2021-11-12 22:32:10,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421606632] [2021-11-12 22:32:10,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:32:10,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-12 22:32:10,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:32:10,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-12 22:32:10,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-11-12 22:32:10,654 INFO L87 Difference]: Start difference. First operand 5461 states and 7366 transitions. Second operand has 14 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 6 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2021-11-12 22:32:19,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:32:19,198 INFO L93 Difference]: Finished difference Result 14135 states and 19552 transitions. [2021-11-12 22:32:19,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-12 22:32:19,198 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 6 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 266 [2021-11-12 22:32:19,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:32:19,229 INFO L225 Difference]: With dead ends: 14135 [2021-11-12 22:32:19,229 INFO L226 Difference]: Without dead ends: 8692 [2021-11-12 22:32:19,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 545 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=149, Invalid=721, Unknown=0, NotChecked=0, Total=870 [2021-11-12 22:32:19,251 INFO L933 BasicCegarLoop]: 5118 mSDtfsCounter, 4078 mSDsluCounter, 55627 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 1479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5023.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4358 SdHoareTripleChecker+Valid, 60745 SdHoareTripleChecker+Invalid, 2213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 99.89ms SdHoareTripleChecker+Time, 1479 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5412.42ms IncrementalHoareTripleChecker+Time [2021-11-12 22:32:19,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4358 Valid, 60745 Invalid, 2213 Unknown, 0 Unchecked, 99.89ms Time], IncrementalHoareTripleChecker [1479 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 5412.42ms Time] [2021-11-12 22:32:19,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8692 states. [2021-11-12 22:32:20,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8692 to 5476. [2021-11-12 22:32:20,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5476 states, 3686 states have (on average 1.2243624525230603) internal successors, (4513), 3748 states have internal predecessors, (4513), 1417 states have call successors, (1417), 366 states have call predecessors, (1417), 368 states have return successors, (1455), 1412 states have call predecessors, (1455), 1415 states have call successors, (1455) [2021-11-12 22:32:20,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5476 states to 5476 states and 7385 transitions. [2021-11-12 22:32:20,189 INFO L78 Accepts]: Start accepts. Automaton has 5476 states and 7385 transitions. Word has length 266 [2021-11-12 22:32:20,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:32:20,190 INFO L470 AbstractCegarLoop]: Abstraction has 5476 states and 7385 transitions. [2021-11-12 22:32:20,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 6 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2021-11-12 22:32:20,190 INFO L276 IsEmpty]: Start isEmpty. Operand 5476 states and 7385 transitions. [2021-11-12 22:32:20,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-12 22:32:20,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:32:20,197 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:32:20,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2021-11-12 22:32:20,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:32:20,398 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:32:20,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:32:20,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1179093111, now seen corresponding path program 1 times [2021-11-12 22:32:20,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:32:20,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221065012] [2021-11-12 22:32:20,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:32:20,401 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:32:20,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:32:20,402 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:32:20,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2021-11-12 22:32:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:32:26,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 2511 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-12 22:32:26,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:32:28,022 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2021-11-12 22:32:28,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:32:28,975 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2021-11-12 22:32:28,976 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:32:28,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221065012] [2021-11-12 22:32:28,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [221065012] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:32:28,976 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:32:28,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-12 22:32:28,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492890867] [2021-11-12 22:32:28,977 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:32:28,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 22:32:28,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:32:28,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 22:32:28,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 22:32:28,978 INFO L87 Difference]: Start difference. First operand 5476 states and 7385 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (45), 4 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-12 22:32:31,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:32:32,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:32:32,231 INFO L93 Difference]: Finished difference Result 5478 states and 7386 transitions. [2021-11-12 22:32:32,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 22:32:32,231 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (45), 4 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 282 [2021-11-12 22:32:32,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:32:32,247 INFO L225 Difference]: With dead ends: 5478 [2021-11-12 22:32:32,247 INFO L226 Difference]: Without dead ends: 5373 [2021-11-12 22:32:32,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 557 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-12 22:32:32,251 INFO L933 BasicCegarLoop]: 3585 mSDtfsCounter, 100 mSDsluCounter, 14204 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2427.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 17789 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.06ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2432.09ms IncrementalHoareTripleChecker+Time [2021-11-12 22:32:32,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 17789 Invalid, 16 Unknown, 0 Unchecked, 20.06ms Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 2432.09ms Time] [2021-11-12 22:32:32,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5373 states. [2021-11-12 22:32:33,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5373 to 5373. [2021-11-12 22:32:33,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5373 states, 3620 states have (on average 1.2240331491712708) internal successors, (4431), 3681 states have internal predecessors, (4431), 1384 states have call successors, (1384), 362 states have call predecessors, (1384), 364 states have return successors, (1421), 1380 states have call predecessors, (1421), 1384 states have call successors, (1421) [2021-11-12 22:32:33,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5373 states to 5373 states and 7236 transitions. [2021-11-12 22:32:33,129 INFO L78 Accepts]: Start accepts. Automaton has 5373 states and 7236 transitions. Word has length 282 [2021-11-12 22:32:33,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:32:33,129 INFO L470 AbstractCegarLoop]: Abstraction has 5373 states and 7236 transitions. [2021-11-12 22:32:33,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (45), 4 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-12 22:32:33,129 INFO L276 IsEmpty]: Start isEmpty. Operand 5373 states and 7236 transitions. [2021-11-12 22:32:33,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-12 22:32:33,135 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:32:33,135 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:32:33,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2021-11-12 22:32:33,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:32:33,351 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:32:33,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:32:33,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1653482936, now seen corresponding path program 1 times [2021-11-12 22:32:33,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:32:33,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1521712288] [2021-11-12 22:32:33,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:32:33,356 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:32:33,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:32:33,358 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:32:33,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2021-11-12 22:32:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:32:40,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 2680 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-12 22:32:40,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:32:41,383 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2021-11-12 22:32:41,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:32:41,979 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2021-11-12 22:32:41,979 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:32:41,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1521712288] [2021-11-12 22:32:41,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1521712288] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:32:41,980 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:32:41,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 7 [2021-11-12 22:32:41,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308947574] [2021-11-12 22:32:41,981 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:32:41,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 22:32:41,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:32:41,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 22:32:41,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-12 22:32:41,982 INFO L87 Difference]: Start difference. First operand 5373 states and 7236 transitions. Second operand has 7 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 22:32:42,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:32:42,791 INFO L93 Difference]: Finished difference Result 5445 states and 7335 transitions. [2021-11-12 22:32:42,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 22:32:42,791 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 274 [2021-11-12 22:32:42,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:32:42,804 INFO L225 Difference]: With dead ends: 5445 [2021-11-12 22:32:42,804 INFO L226 Difference]: Without dead ends: 5443 [2021-11-12 22:32:42,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 541 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-12 22:32:42,806 INFO L933 BasicCegarLoop]: 3501 mSDtfsCounter, 95 mSDsluCounter, 17428 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 20929 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.64ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 121.88ms IncrementalHoareTripleChecker+Time [2021-11-12 22:32:42,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 20929 Invalid, 26 Unknown, 0 Unchecked, 18.64ms Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 121.88ms Time] [2021-11-12 22:32:42,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5443 states. [2021-11-12 22:32:43,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5443 to 5401. [2021-11-12 22:32:43,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5401 states, 3644 states have (on average 1.223655323819978) internal successors, (4459), 3705 states have internal predecessors, (4459), 1386 states have call successors, (1386), 364 states have call predecessors, (1386), 366 states have return successors, (1423), 1382 states have call predecessors, (1423), 1386 states have call successors, (1423) [2021-11-12 22:32:43,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5401 states to 5401 states and 7268 transitions. [2021-11-12 22:32:43,526 INFO L78 Accepts]: Start accepts. Automaton has 5401 states and 7268 transitions. Word has length 274 [2021-11-12 22:32:43,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:32:43,527 INFO L470 AbstractCegarLoop]: Abstraction has 5401 states and 7268 transitions. [2021-11-12 22:32:43,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 22:32:43,527 INFO L276 IsEmpty]: Start isEmpty. Operand 5401 states and 7268 transitions. [2021-11-12 22:32:43,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-12 22:32:43,530 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:32:43,530 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:32:43,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (46)] Forceful destruction successful, exit code 0 [2021-11-12 22:32:43,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:32:43,731 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:32:43,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:32:43,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1985996034, now seen corresponding path program 1 times [2021-11-12 22:32:43,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:32:43,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815567354] [2021-11-12 22:32:43,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:32:43,735 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:32:43,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:32:43,736 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:32:43,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2021-11-12 22:32:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:32:51,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 2687 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:32:51,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:32:54,404 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2021-11-12 22:32:54,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:32:55,900 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2021-11-12 22:32:55,901 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:32:55,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815567354] [2021-11-12 22:32:55,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815567354] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:32:55,901 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:32:55,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-12 22:32:55,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956079852] [2021-11-12 22:32:55,902 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:32:55,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:32:55,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:32:55,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:32:55,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:32:55,903 INFO L87 Difference]: Start difference. First operand 5401 states and 7268 transitions. Second operand has 4 states, 4 states have (on average 60.5) internal successors, (242), 4 states have internal predecessors, (242), 3 states have call successors, (72), 3 states have call predecessors, (72), 2 states have return successors, (68), 3 states have call predecessors, (68), 3 states have call successors, (68) [2021-11-12 22:32:59,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:32:59,268 INFO L93 Difference]: Finished difference Result 10773 states and 14512 transitions. [2021-11-12 22:32:59,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 22:32:59,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.5) internal successors, (242), 4 states have internal predecessors, (242), 3 states have call successors, (72), 3 states have call predecessors, (72), 2 states have return successors, (68), 3 states have call predecessors, (68), 3 states have call successors, (68) Word has length 278 [2021-11-12 22:32:59,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:32:59,289 INFO L225 Difference]: With dead ends: 10773 [2021-11-12 22:32:59,290 INFO L226 Difference]: Without dead ends: 5391 [2021-11-12 22:32:59,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 554 GetRequests, 552 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 22:32:59,303 INFO L933 BasicCegarLoop]: 3466 mSDtfsCounter, 5308 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1968.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5308 SdHoareTripleChecker+Valid, 3466 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.78ms SdHoareTripleChecker+Time, 1342 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2497.66ms IncrementalHoareTripleChecker+Time [2021-11-12 22:32:59,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5308 Valid, 3466 Invalid, 1343 Unknown, 0 Unchecked, 18.78ms Time], IncrementalHoareTripleChecker [1342 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 2497.66ms Time] [2021-11-12 22:32:59,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5391 states. [2021-11-12 22:32:59,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5391 to 5391. [2021-11-12 22:32:59,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5391 states, 3635 states have (on average 1.2220082530949106) internal successors, (4442), 3695 states have internal predecessors, (4442), 1386 states have call successors, (1386), 364 states have call predecessors, (1386), 366 states have return successors, (1423), 1382 states have call predecessors, (1423), 1386 states have call successors, (1423) [2021-11-12 22:32:59,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5391 states to 5391 states and 7251 transitions. [2021-11-12 22:32:59,925 INFO L78 Accepts]: Start accepts. Automaton has 5391 states and 7251 transitions. Word has length 278 [2021-11-12 22:32:59,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:32:59,925 INFO L470 AbstractCegarLoop]: Abstraction has 5391 states and 7251 transitions. [2021-11-12 22:32:59,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.5) internal successors, (242), 4 states have internal predecessors, (242), 3 states have call successors, (72), 3 states have call predecessors, (72), 2 states have return successors, (68), 3 states have call predecessors, (68), 3 states have call successors, (68) [2021-11-12 22:32:59,925 INFO L276 IsEmpty]: Start isEmpty. Operand 5391 states and 7251 transitions. [2021-11-12 22:32:59,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-12 22:32:59,929 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:32:59,929 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:32:59,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (47)] Forceful destruction successful, exit code 0 [2021-11-12 22:33:00,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:33:00,130 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:33:00,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:33:00,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1912866658, now seen corresponding path program 1 times [2021-11-12 22:33:00,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:33:00,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1411845090] [2021-11-12 22:33:00,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:33:00,133 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:33:00,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:33:00,134 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:33:00,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2021-11-12 22:33:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:33:07,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 2767 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-12 22:33:07,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:33:08,330 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2021-11-12 22:33:08,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:33:09,966 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2021-11-12 22:33:09,966 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:33:09,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1411845090] [2021-11-12 22:33:09,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1411845090] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:33:09,967 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:33:09,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-11-12 22:33:09,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96165848] [2021-11-12 22:33:09,967 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:33:09,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-12 22:33:09,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:33:09,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-12 22:33:09,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-12 22:33:09,968 INFO L87 Difference]: Start difference. First operand 5391 states and 7251 transitions. Second operand has 14 states, 14 states have (on average 10.428571428571429) internal successors, (146), 12 states have internal predecessors, (146), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (40), 4 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-12 22:33:12,931 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:33:13,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:33:13,507 INFO L93 Difference]: Finished difference Result 10817 states and 14560 transitions. [2021-11-12 22:33:13,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-12 22:33:13,508 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.428571428571429) internal successors, (146), 12 states have internal predecessors, (146), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (40), 4 states have call predecessors, (40), 2 states have call successors, (40) Word has length 305 [2021-11-12 22:33:13,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:33:13,529 INFO L225 Difference]: With dead ends: 10817 [2021-11-12 22:33:13,529 INFO L226 Difference]: Without dead ends: 5445 [2021-11-12 22:33:13,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 596 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-11-12 22:33:13,545 INFO L933 BasicCegarLoop]: 3494 mSDtfsCounter, 48 mSDsluCounter, 38358 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2462.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 41852 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 37.95ms SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2515.37ms IncrementalHoareTripleChecker+Time [2021-11-12 22:33:13,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 41852 Invalid, 95 Unknown, 0 Unchecked, 37.95ms Time], IncrementalHoareTripleChecker [27 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 2515.37ms Time] [2021-11-12 22:33:13,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5445 states. [2021-11-12 22:33:14,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5445 to 5405. [2021-11-12 22:33:14,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5405 states, 3647 states have (on average 1.2212777625445572) internal successors, (4454), 3707 states have internal predecessors, (4454), 1386 states have call successors, (1386), 364 states have call predecessors, (1386), 368 states have return successors, (1427), 1384 states have call predecessors, (1427), 1386 states have call successors, (1427) [2021-11-12 22:33:14,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5405 states to 5405 states and 7267 transitions. [2021-11-12 22:33:14,173 INFO L78 Accepts]: Start accepts. Automaton has 5405 states and 7267 transitions. Word has length 305 [2021-11-12 22:33:14,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:33:14,174 INFO L470 AbstractCegarLoop]: Abstraction has 5405 states and 7267 transitions. [2021-11-12 22:33:14,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.428571428571429) internal successors, (146), 12 states have internal predecessors, (146), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (40), 4 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-12 22:33:14,174 INFO L276 IsEmpty]: Start isEmpty. Operand 5405 states and 7267 transitions. [2021-11-12 22:33:14,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-12 22:33:14,179 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:33:14,179 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:33:14,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (48)] Forceful destruction successful, exit code 0 [2021-11-12 22:33:14,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:33:14,380 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:33:14,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:33:14,380 INFO L85 PathProgramCache]: Analyzing trace with hash -365667355, now seen corresponding path program 1 times [2021-11-12 22:33:14,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:33:14,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643734474] [2021-11-12 22:33:14,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:33:14,383 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:33:14,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:33:14,384 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:33:14,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2021-11-12 22:33:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:33:21,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 2811 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:33:21,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:33:21,864 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2021-11-12 22:33:21,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:33:22,465 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2021-11-12 22:33:22,465 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:33:22,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643734474] [2021-11-12 22:33:22,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [643734474] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:33:22,466 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:33:22,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-12 22:33:22,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568490496] [2021-11-12 22:33:22,466 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:33:22,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 22:33:22,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:33:22,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 22:33:22,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:33:22,468 INFO L87 Difference]: Start difference. First operand 5405 states and 7267 transitions. Second operand has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2021-11-12 22:33:23,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:33:23,114 INFO L93 Difference]: Finished difference Result 5405 states and 7267 transitions. [2021-11-12 22:33:23,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:33:23,114 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 326 [2021-11-12 22:33:23,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:33:23,125 INFO L225 Difference]: With dead ends: 5405 [2021-11-12 22:33:23,125 INFO L226 Difference]: Without dead ends: 5403 [2021-11-12 22:33:23,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 651 GetRequests, 646 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 22:33:23,127 INFO L933 BasicCegarLoop]: 3463 mSDtfsCounter, 13 mSDsluCounter, 13828 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 17291 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.85ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.98ms IncrementalHoareTripleChecker+Time [2021-11-12 22:33:23,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 17291 Invalid, 4 Unknown, 0 Unchecked, 13.85ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 18.98ms Time] [2021-11-12 22:33:23,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5403 states. [2021-11-12 22:33:23,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5403 to 5403. [2021-11-12 22:33:23,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5403 states, 3646 states have (on average 1.2207899067471202) internal successors, (4451), 3705 states have internal predecessors, (4451), 1386 states have call successors, (1386), 364 states have call predecessors, (1386), 368 states have return successors, (1427), 1384 states have call predecessors, (1427), 1386 states have call successors, (1427) [2021-11-12 22:33:23,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5403 states to 5403 states and 7264 transitions. [2021-11-12 22:33:23,733 INFO L78 Accepts]: Start accepts. Automaton has 5403 states and 7264 transitions. Word has length 326 [2021-11-12 22:33:23,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:33:23,733 INFO L470 AbstractCegarLoop]: Abstraction has 5403 states and 7264 transitions. [2021-11-12 22:33:23,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2021-11-12 22:33:23,734 INFO L276 IsEmpty]: Start isEmpty. Operand 5403 states and 7264 transitions. [2021-11-12 22:33:23,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-11-12 22:33:23,741 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:33:23,741 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:33:23,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (49)] Forceful destruction successful, exit code 0 [2021-11-12 22:33:23,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:33:23,942 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:33:23,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:33:23,942 INFO L85 PathProgramCache]: Analyzing trace with hash -758929120, now seen corresponding path program 1 times [2021-11-12 22:33:23,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:33:23,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2057106553] [2021-11-12 22:33:23,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:33:23,947 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:33:23,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:33:23,948 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:33:23,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2021-11-12 22:33:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:33:31,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 3264 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 22:33:31,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:33:33,203 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-12 22:33:33,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:33:34,474 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-11-12 22:33:34,475 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:33:34,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2057106553] [2021-11-12 22:33:34,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2057106553] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:33:34,475 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:33:34,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-12 22:33:34,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071231107] [2021-11-12 22:33:34,475 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:33:34,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 22:33:34,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:33:34,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 22:33:34,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-12 22:33:34,477 INFO L87 Difference]: Start difference. First operand 5403 states and 7264 transitions. Second operand has 8 states, 8 states have (on average 32.875) internal successors, (263), 8 states have internal predecessors, (263), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2021-11-12 22:33:35,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:33:35,906 INFO L93 Difference]: Finished difference Result 11150 states and 15035 transitions. [2021-11-12 22:33:35,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 22:33:35,907 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 32.875) internal successors, (263), 8 states have internal predecessors, (263), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) Word has length 373 [2021-11-12 22:33:35,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:33:35,929 INFO L225 Difference]: With dead ends: 11150 [2021-11-12 22:33:35,930 INFO L226 Difference]: Without dead ends: 5766 [2021-11-12 22:33:35,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 748 GetRequests, 740 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-12 22:33:35,946 INFO L933 BasicCegarLoop]: 3748 mSDtfsCounter, 817 mSDsluCounter, 14650 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 308 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 512.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 18398 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.79ms SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 577.66ms IncrementalHoareTripleChecker+Time [2021-11-12 22:33:35,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [855 Valid, 18398 Invalid, 368 Unknown, 0 Unchecked, 18.79ms Time], IncrementalHoareTripleChecker [308 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 577.66ms Time] [2021-11-12 22:33:35,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5766 states. [2021-11-12 22:33:36,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5766 to 5406. [2021-11-12 22:33:36,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5406 states, 3649 states have (on average 1.2206083858591394) internal successors, (4454), 3708 states have internal predecessors, (4454), 1386 states have call successors, (1386), 364 states have call predecessors, (1386), 368 states have return successors, (1427), 1384 states have call predecessors, (1427), 1386 states have call successors, (1427) [2021-11-12 22:33:36,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5406 states to 5406 states and 7267 transitions. [2021-11-12 22:33:36,590 INFO L78 Accepts]: Start accepts. Automaton has 5406 states and 7267 transitions. Word has length 373 [2021-11-12 22:33:36,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:33:36,590 INFO L470 AbstractCegarLoop]: Abstraction has 5406 states and 7267 transitions. [2021-11-12 22:33:36,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 32.875) internal successors, (263), 8 states have internal predecessors, (263), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2021-11-12 22:33:36,591 INFO L276 IsEmpty]: Start isEmpty. Operand 5406 states and 7267 transitions. [2021-11-12 22:33:36,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-11-12 22:33:36,598 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:33:36,599 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:33:36,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (50)] Forceful destruction successful, exit code 0 [2021-11-12 22:33:36,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:33:36,800 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:33:36,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:33:36,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1892753186, now seen corresponding path program 1 times [2021-11-12 22:33:36,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:33:36,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1069479076] [2021-11-12 22:33:36,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:33:36,804 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:33:36,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:33:36,805 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:33:36,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (51)] Waiting until timeout for monitored process [2021-11-12 22:33:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:33:44,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 3267 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-12 22:33:44,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:33:46,572 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-12 22:33:46,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:33:47,814 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-11-12 22:33:47,815 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:33:47,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1069479076] [2021-11-12 22:33:47,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1069479076] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:33:47,815 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:33:47,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-12 22:33:47,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891333318] [2021-11-12 22:33:47,815 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:33:47,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 22:33:47,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:33:47,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 22:33:47,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-12 22:33:47,817 INFO L87 Difference]: Start difference. First operand 5406 states and 7267 transitions. Second operand has 8 states, 8 states have (on average 32.625) internal successors, (261), 8 states have internal predecessors, (261), 2 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) [2021-11-12 22:33:51,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:33:51,441 INFO L93 Difference]: Finished difference Result 11173 states and 15065 transitions. [2021-11-12 22:33:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 22:33:51,442 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 32.625) internal successors, (261), 8 states have internal predecessors, (261), 2 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) Word has length 373 [2021-11-12 22:33:51,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:33:51,460 INFO L225 Difference]: With dead ends: 11173 [2021-11-12 22:33:51,460 INFO L226 Difference]: Without dead ends: 5786 [2021-11-12 22:33:51,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 748 GetRequests, 740 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-12 22:33:51,528 INFO L933 BasicCegarLoop]: 3733 mSDtfsCounter, 784 mSDsluCounter, 18273 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2567.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 22006 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.22ms SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2728.90ms IncrementalHoareTripleChecker+Time [2021-11-12 22:33:51,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [824 Valid, 22006 Invalid, 354 Unknown, 0 Unchecked, 24.22ms Time], IncrementalHoareTripleChecker [277 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 2728.90ms Time] [2021-11-12 22:33:51,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5786 states. [2021-11-12 22:33:52,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5786 to 5409. [2021-11-12 22:33:52,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5409 states, 3652 states have (on average 1.2204271631982475) internal successors, (4457), 3711 states have internal predecessors, (4457), 1386 states have call successors, (1386), 364 states have call predecessors, (1386), 368 states have return successors, (1427), 1384 states have call predecessors, (1427), 1386 states have call successors, (1427) [2021-11-12 22:33:52,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5409 states to 5409 states and 7270 transitions. [2021-11-12 22:33:52,086 INFO L78 Accepts]: Start accepts. Automaton has 5409 states and 7270 transitions. Word has length 373 [2021-11-12 22:33:52,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:33:52,087 INFO L470 AbstractCegarLoop]: Abstraction has 5409 states and 7270 transitions. [2021-11-12 22:33:52,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 32.625) internal successors, (261), 8 states have internal predecessors, (261), 2 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) [2021-11-12 22:33:52,087 INFO L276 IsEmpty]: Start isEmpty. Operand 5409 states and 7270 transitions. [2021-11-12 22:33:52,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-11-12 22:33:52,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:33:52,095 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:33:52,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (51)] Forceful destruction successful, exit code 0 [2021-11-12 22:33:52,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:33:52,296 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:33:52,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:33:52,296 INFO L85 PathProgramCache]: Analyzing trace with hash -866031375, now seen corresponding path program 1 times [2021-11-12 22:33:52,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:33:52,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713248954] [2021-11-12 22:33:52,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:33:52,300 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:33:52,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:33:52,301 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:33:52,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (52)] Waiting until timeout for monitored process [2021-11-12 22:34:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:34:00,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 3314 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-12 22:34:00,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:34:02,424 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2021-11-12 22:34:02,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:34:03,946 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2021-11-12 22:34:03,946 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:34:03,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [713248954] [2021-11-12 22:34:03,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [713248954] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:34:03,947 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:34:03,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-12 22:34:03,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594943019] [2021-11-12 22:34:03,948 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:34:03,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 22:34:03,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:34:03,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 22:34:03,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-12 22:34:03,951 INFO L87 Difference]: Start difference. First operand 5409 states and 7270 transitions. Second operand has 10 states, 10 states have (on average 25.9) internal successors, (259), 8 states have internal predecessors, (259), 2 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 4 states have call predecessors, (78), 2 states have call successors, (78) [2021-11-12 22:34:05,958 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:34:07,175 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:34:08,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:34:08,294 INFO L93 Difference]: Finished difference Result 10978 states and 14772 transitions. [2021-11-12 22:34:08,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 22:34:08,294 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 25.9) internal successors, (259), 8 states have internal predecessors, (259), 2 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 4 states have call predecessors, (78), 2 states have call successors, (78) Word has length 394 [2021-11-12 22:34:08,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:34:08,309 INFO L225 Difference]: With dead ends: 10978 [2021-11-12 22:34:08,310 INFO L226 Difference]: Without dead ends: 5588 [2021-11-12 22:34:08,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 787 GetRequests, 778 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-12 22:34:08,319 INFO L933 BasicCegarLoop]: 3683 mSDtfsCounter, 256 mSDsluCounter, 18231 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3404.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 21914 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.86ms SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3513.39ms IncrementalHoareTripleChecker+Time [2021-11-12 22:34:08,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [304 Valid, 21914 Invalid, 78 Unknown, 0 Unchecked, 22.86ms Time], IncrementalHoareTripleChecker [50 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 3513.39ms Time] [2021-11-12 22:34:08,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5588 states. [2021-11-12 22:34:08,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5588 to 5414. [2021-11-12 22:34:08,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5414 states, 3656 states have (on average 1.2201859956236323) internal successors, (4461), 3715 states have internal predecessors, (4461), 1386 states have call successors, (1386), 364 states have call predecessors, (1386), 369 states have return successors, (1430), 1385 states have call predecessors, (1430), 1386 states have call successors, (1430) [2021-11-12 22:34:08,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5414 states to 5414 states and 7277 transitions. [2021-11-12 22:34:08,950 INFO L78 Accepts]: Start accepts. Automaton has 5414 states and 7277 transitions. Word has length 394 [2021-11-12 22:34:08,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:34:08,951 INFO L470 AbstractCegarLoop]: Abstraction has 5414 states and 7277 transitions. [2021-11-12 22:34:08,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 25.9) internal successors, (259), 8 states have internal predecessors, (259), 2 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 4 states have call predecessors, (78), 2 states have call successors, (78) [2021-11-12 22:34:08,951 INFO L276 IsEmpty]: Start isEmpty. Operand 5414 states and 7277 transitions. [2021-11-12 22:34:08,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2021-11-12 22:34:08,959 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:34:08,959 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:34:09,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (52)] Forceful destruction successful, exit code 0 [2021-11-12 22:34:09,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:34:09,161 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:34:09,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:34:09,161 INFO L85 PathProgramCache]: Analyzing trace with hash 2079259959, now seen corresponding path program 1 times [2021-11-12 22:34:09,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:34:09,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [146253785] [2021-11-12 22:34:09,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:34:09,166 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:34:09,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:34:09,167 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:34:09,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (53)] Waiting until timeout for monitored process [2021-11-12 22:34:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:34:18,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 3346 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 22:34:18,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:34:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2021-11-12 22:34:20,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:34:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2021-11-12 22:34:20,903 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:34:20,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [146253785] [2021-11-12 22:34:20,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [146253785] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:34:20,903 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:34:20,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-12 22:34:20,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222965140] [2021-11-12 22:34:20,904 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:34:20,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:34:20,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:34:20,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:34:20,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:34:20,905 INFO L87 Difference]: Start difference. First operand 5414 states and 7277 transitions. Second operand has 4 states, 4 states have (on average 62.5) internal successors, (250), 4 states have internal predecessors, (250), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2021-11-12 22:34:22,970 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 22:34:24,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:34:24,553 INFO L93 Difference]: Finished difference Result 11029 states and 14845 transitions. [2021-11-12 22:34:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:34:24,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 4 states have internal predecessors, (250), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 410 [2021-11-12 22:34:24,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:34:24,576 INFO L225 Difference]: With dead ends: 11029 [2021-11-12 22:34:24,576 INFO L226 Difference]: Without dead ends: 5634 [2021-11-12 22:34:24,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 820 GetRequests, 817 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:34:24,592 INFO L933 BasicCegarLoop]: 3748 mSDtfsCounter, 1694 mSDsluCounter, 5214 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 586 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2630.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1697 SdHoareTripleChecker+Valid, 8962 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.27ms SdHoareTripleChecker+Time, 586 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2818.84ms IncrementalHoareTripleChecker+Time [2021-11-12 22:34:24,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1697 Valid, 8962 Invalid, 589 Unknown, 0 Unchecked, 14.27ms Time], IncrementalHoareTripleChecker [586 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2818.84ms Time] [2021-11-12 22:34:24,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5634 states. [2021-11-12 22:34:25,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5634 to 5414. [2021-11-12 22:34:25,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5414 states, 3656 states have (on average 1.2199124726477024) internal successors, (4460), 3715 states have internal predecessors, (4460), 1386 states have call successors, (1386), 364 states have call predecessors, (1386), 369 states have return successors, (1430), 1385 states have call predecessors, (1430), 1386 states have call successors, (1430) [2021-11-12 22:34:25,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5414 states to 5414 states and 7276 transitions. [2021-11-12 22:34:25,274 INFO L78 Accepts]: Start accepts. Automaton has 5414 states and 7276 transitions. Word has length 410 [2021-11-12 22:34:25,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:34:25,275 INFO L470 AbstractCegarLoop]: Abstraction has 5414 states and 7276 transitions. [2021-11-12 22:34:25,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 4 states have internal predecessors, (250), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2021-11-12 22:34:25,275 INFO L276 IsEmpty]: Start isEmpty. Operand 5414 states and 7276 transitions. [2021-11-12 22:34:25,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-11-12 22:34:25,286 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:34:25,286 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:34:25,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (53)] Forceful destruction successful, exit code 0 [2021-11-12 22:34:25,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:34:25,487 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:34:25,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:34:25,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1111305661, now seen corresponding path program 1 times [2021-11-12 22:34:25,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:34:25,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1644597806] [2021-11-12 22:34:25,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:34:25,491 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:34:25,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:34:25,492 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:34:25,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (54)] Waiting until timeout for monitored process [2021-11-12 22:34:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:34:35,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 3429 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:34:35,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:34:36,772 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2021-11-12 22:34:36,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:34:37,833 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-11-12 22:34:37,833 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:34:37,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1644597806] [2021-11-12 22:34:37,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1644597806] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:34:37,833 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:34:37,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:34:37,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419249040] [2021-11-12 22:34:37,834 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:34:37,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:34:37,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:34:37,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:34:37,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:34:37,835 INFO L87 Difference]: Start difference. First operand 5414 states and 7276 transitions. Second operand has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2021-11-12 22:34:38,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:34:38,563 INFO L93 Difference]: Finished difference Result 10841 states and 14620 transitions. [2021-11-12 22:34:38,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:34:38,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) Word has length 437 [2021-11-12 22:34:38,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:34:38,581 INFO L225 Difference]: With dead ends: 10841 [2021-11-12 22:34:38,581 INFO L226 Difference]: Without dead ends: 5446 [2021-11-12 22:34:38,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 872 GetRequests, 870 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 22:34:38,595 INFO L933 BasicCegarLoop]: 3463 mSDtfsCounter, 24 mSDsluCounter, 6884 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 10347 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.12ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 94.19ms IncrementalHoareTripleChecker+Time [2021-11-12 22:34:38,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 10347 Invalid, 19 Unknown, 0 Unchecked, 11.12ms Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 94.19ms Time] [2021-11-12 22:34:38,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5446 states. [2021-11-12 22:34:39,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5446 to 5436. [2021-11-12 22:34:39,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5436 states, 3674 states have (on average 1.2193794229722374) internal successors, (4480), 3733 states have internal predecessors, (4480), 1390 states have call successors, (1390), 364 states have call predecessors, (1390), 369 states have return successors, (1434), 1389 states have call predecessors, (1434), 1390 states have call successors, (1434) [2021-11-12 22:34:39,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5436 states to 5436 states and 7304 transitions. [2021-11-12 22:34:39,241 INFO L78 Accepts]: Start accepts. Automaton has 5436 states and 7304 transitions. Word has length 437 [2021-11-12 22:34:39,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:34:39,241 INFO L470 AbstractCegarLoop]: Abstraction has 5436 states and 7304 transitions. [2021-11-12 22:34:39,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2021-11-12 22:34:39,241 INFO L276 IsEmpty]: Start isEmpty. Operand 5436 states and 7304 transitions. [2021-11-12 22:34:39,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2021-11-12 22:34:39,251 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:34:39,251 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:34:39,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (54)] Forceful destruction successful, exit code 0 [2021-11-12 22:34:39,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:34:39,475 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:34:39,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:34:39,475 INFO L85 PathProgramCache]: Analyzing trace with hash -410404092, now seen corresponding path program 1 times [2021-11-12 22:34:39,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:34:39,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28666540] [2021-11-12 22:34:39,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:34:39,479 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:34:39,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:34:39,480 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:34:39,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (55)] Waiting until timeout for monitored process [2021-11-12 22:34:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:34:50,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 3442 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 22:34:50,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:34:51,346 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-11-12 22:34:51,346 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:34:52,481 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2021-11-12 22:34:52,481 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:34:52,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28666540] [2021-11-12 22:34:52,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28666540] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:34:52,482 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:34:52,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-12 22:34:52,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530820215] [2021-11-12 22:34:52,482 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:34:52,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 22:34:52,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:34:52,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 22:34:52,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:34:52,484 INFO L87 Difference]: Start difference. First operand 5436 states and 7304 transitions. Second operand has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 5 states have internal predecessors, (238), 2 states have call successors, (75), 2 states have call predecessors, (75), 3 states have return successors, (75), 3 states have call predecessors, (75), 2 states have call successors, (75) [2021-11-12 22:34:54,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:34:54,158 INFO L93 Difference]: Finished difference Result 12519 states and 17077 transitions. [2021-11-12 22:34:54,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 22:34:54,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 5 states have internal predecessors, (238), 2 states have call successors, (75), 2 states have call predecessors, (75), 3 states have return successors, (75), 3 states have call predecessors, (75), 2 states have call successors, (75) Word has length 444 [2021-11-12 22:34:54,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:34:54,187 INFO L225 Difference]: With dead ends: 12519 [2021-11-12 22:34:54,188 INFO L226 Difference]: Without dead ends: 7102 [2021-11-12 22:34:54,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 887 GetRequests, 881 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 22:34:54,203 INFO L933 BasicCegarLoop]: 4860 mSDtfsCounter, 853 mSDsluCounter, 18286 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 657.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1150 SdHoareTripleChecker+Valid, 23146 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.87ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 696.63ms IncrementalHoareTripleChecker+Time [2021-11-12 22:34:54,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1150 Valid, 23146 Invalid, 23 Unknown, 0 Unchecked, 22.87ms Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 696.63ms Time] [2021-11-12 22:34:54,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7102 states. [2021-11-12 22:34:54,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7102 to 5441. [2021-11-12 22:34:54,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5441 states, 3678 states have (on average 1.2191408374116368) internal successors, (4484), 3737 states have internal predecessors, (4484), 1390 states have call successors, (1390), 364 states have call predecessors, (1390), 370 states have return successors, (1437), 1390 states have call predecessors, (1437), 1390 states have call successors, (1437) [2021-11-12 22:34:54,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5441 states to 5441 states and 7311 transitions. [2021-11-12 22:34:54,907 INFO L78 Accepts]: Start accepts. Automaton has 5441 states and 7311 transitions. Word has length 444 [2021-11-12 22:34:54,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:34:54,907 INFO L470 AbstractCegarLoop]: Abstraction has 5441 states and 7311 transitions. [2021-11-12 22:34:54,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 5 states have internal predecessors, (238), 2 states have call successors, (75), 2 states have call predecessors, (75), 3 states have return successors, (75), 3 states have call predecessors, (75), 2 states have call successors, (75) [2021-11-12 22:34:54,908 INFO L276 IsEmpty]: Start isEmpty. Operand 5441 states and 7311 transitions. [2021-11-12 22:34:54,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-11-12 22:34:54,918 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:34:54,919 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:34:54,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (55)] Forceful destruction successful, exit code 0 [2021-11-12 22:34:55,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:34:55,119 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:34:55,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:34:55,120 INFO L85 PathProgramCache]: Analyzing trace with hash -615720166, now seen corresponding path program 1 times [2021-11-12 22:34:55,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:34:55,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281072349] [2021-11-12 22:34:55,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:34:55,124 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:34:55,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:34:55,124 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:34:55,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (56)] Waiting until timeout for monitored process [2021-11-12 22:35:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:35:05,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 3451 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:35:05,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:35:06,812 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-11-12 22:35:06,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:35:07,859 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2021-11-12 22:35:07,860 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:35:07,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1281072349] [2021-11-12 22:35:07,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1281072349] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:35:07,860 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:35:07,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 22:35:07,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460673244] [2021-11-12 22:35:07,860 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:35:07,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 22:35:07,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:35:07,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 22:35:07,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 22:35:07,862 INFO L87 Difference]: Start difference. First operand 5441 states and 7311 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2021-11-12 22:35:08,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:35:08,541 INFO L93 Difference]: Finished difference Result 10871 states and 14615 transitions. [2021-11-12 22:35:08,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 22:35:08,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) Word has length 447 [2021-11-12 22:35:08,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:35:08,556 INFO L225 Difference]: With dead ends: 10871 [2021-11-12 22:35:08,556 INFO L226 Difference]: Without dead ends: 5449 [2021-11-12 22:35:08,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 892 GetRequests, 891 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 22:35:08,567 INFO L933 BasicCegarLoop]: 3463 mSDtfsCounter, 3 mSDsluCounter, 3459 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6922 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.88ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.16ms IncrementalHoareTripleChecker+Time [2021-11-12 22:35:08,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 6922 Invalid, 5 Unknown, 0 Unchecked, 7.88ms Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 29.16ms Time] [2021-11-12 22:35:08,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5449 states. [2021-11-12 22:35:09,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5449 to 5443. [2021-11-12 22:35:09,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5443 states, 3680 states have (on average 1.2190217391304348) internal successors, (4486), 3739 states have internal predecessors, (4486), 1390 states have call successors, (1390), 364 states have call predecessors, (1390), 370 states have return successors, (1437), 1390 states have call predecessors, (1437), 1390 states have call successors, (1437) [2021-11-12 22:35:09,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5443 states to 5443 states and 7313 transitions. [2021-11-12 22:35:09,270 INFO L78 Accepts]: Start accepts. Automaton has 5443 states and 7313 transitions. Word has length 447 [2021-11-12 22:35:09,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:35:09,271 INFO L470 AbstractCegarLoop]: Abstraction has 5443 states and 7313 transitions. [2021-11-12 22:35:09,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2021-11-12 22:35:09,271 INFO L276 IsEmpty]: Start isEmpty. Operand 5443 states and 7313 transitions. [2021-11-12 22:35:09,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-11-12 22:35:09,279 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:35:09,279 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:09,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (56)] Forceful destruction successful, exit code 0 [2021-11-12 22:35:09,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:35:09,497 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:35:09,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:35:09,497 INFO L85 PathProgramCache]: Analyzing trace with hash 2031884188, now seen corresponding path program 1 times [2021-11-12 22:35:09,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:35:09,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1192092333] [2021-11-12 22:35:09,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:35:09,501 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:35:09,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:35:09,502 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:35:09,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (57)] Waiting until timeout for monitored process [2021-11-12 22:35:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:35:19,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 3451 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:35:19,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:35:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-11-12 22:35:20,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:35:21,794 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2021-11-12 22:35:21,794 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:35:21,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1192092333] [2021-11-12 22:35:21,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1192092333] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:35:21,795 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:35:21,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 22:35:21,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922046537] [2021-11-12 22:35:21,795 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:35:21,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 22:35:21,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:35:21,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 22:35:21,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 22:35:21,796 INFO L87 Difference]: Start difference. First operand 5443 states and 7313 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2021-11-12 22:35:22,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:35:22,441 INFO L93 Difference]: Finished difference Result 10875 states and 14616 transitions. [2021-11-12 22:35:22,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 22:35:22,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) Word has length 447 [2021-11-12 22:35:22,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:35:22,461 INFO L225 Difference]: With dead ends: 10875 [2021-11-12 22:35:22,461 INFO L226 Difference]: Without dead ends: 5451 [2021-11-12 22:35:22,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 892 GetRequests, 891 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 22:35:22,476 INFO L933 BasicCegarLoop]: 3468 mSDtfsCounter, 3 mSDsluCounter, 3462 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6930 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.97ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.68ms IncrementalHoareTripleChecker+Time [2021-11-12 22:35:22,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 6930 Invalid, 5 Unknown, 0 Unchecked, 6.97ms Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 20.68ms Time] [2021-11-12 22:35:22,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5451 states. [2021-11-12 22:35:23,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5451 to 5445. [2021-11-12 22:35:23,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5445 states, 3682 states have (on average 1.2189027702335686) internal successors, (4488), 3741 states have internal predecessors, (4488), 1390 states have call successors, (1390), 364 states have call predecessors, (1390), 370 states have return successors, (1437), 1390 states have call predecessors, (1437), 1390 states have call successors, (1437) [2021-11-12 22:35:23,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5445 states to 5445 states and 7315 transitions. [2021-11-12 22:35:23,129 INFO L78 Accepts]: Start accepts. Automaton has 5445 states and 7315 transitions. Word has length 447 [2021-11-12 22:35:23,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:35:23,130 INFO L470 AbstractCegarLoop]: Abstraction has 5445 states and 7315 transitions. [2021-11-12 22:35:23,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2021-11-12 22:35:23,130 INFO L276 IsEmpty]: Start isEmpty. Operand 5445 states and 7315 transitions. [2021-11-12 22:35:23,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-11-12 22:35:23,140 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:35:23,141 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:23,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (57)] Forceful destruction successful, exit code 0 [2021-11-12 22:35:23,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:35:23,351 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:35:23,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:35:23,351 INFO L85 PathProgramCache]: Analyzing trace with hash 58718810, now seen corresponding path program 1 times [2021-11-12 22:35:23,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:35:23,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513247867] [2021-11-12 22:35:23,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:35:23,355 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:35:23,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:35:23,355 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:35:23,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (58)] Waiting until timeout for monitored process [2021-11-12 22:35:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:35:33,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 3451 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 22:35:33,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:35:34,623 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-11-12 22:35:34,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:35:35,523 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2021-11-12 22:35:35,523 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:35:35,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513247867] [2021-11-12 22:35:35,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [513247867] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:35:35,523 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:35:35,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-12 22:35:35,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25682000] [2021-11-12 22:35:35,524 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:35:35,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:35:35,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:35:35,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:35:35,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:35:35,526 INFO L87 Difference]: Start difference. First operand 5445 states and 7315 transitions. Second operand has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2021-11-12 22:35:37,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:35:37,478 INFO L93 Difference]: Finished difference Result 14183 states and 19564 transitions. [2021-11-12 22:35:37,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:35:37,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) Word has length 447 [2021-11-12 22:35:37,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:35:37,500 INFO L225 Difference]: With dead ends: 14183 [2021-11-12 22:35:37,500 INFO L226 Difference]: Without dead ends: 8757 [2021-11-12 22:35:37,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 894 GetRequests, 891 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:35:37,512 INFO L933 BasicCegarLoop]: 4283 mSDtfsCounter, 2502 mSDsluCounter, 8122 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 574 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 569.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2798 SdHoareTripleChecker+Valid, 12405 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.20ms SdHoareTripleChecker+Time, 574 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 708.21ms IncrementalHoareTripleChecker+Time [2021-11-12 22:35:37,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2798 Valid, 12405 Invalid, 583 Unknown, 0 Unchecked, 18.20ms Time], IncrementalHoareTripleChecker [574 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 708.21ms Time] [2021-11-12 22:35:37,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8757 states. [2021-11-12 22:35:38,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8757 to 5447. [2021-11-12 22:35:38,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5447 states, 3684 states have (on average 1.218783930510315) internal successors, (4490), 3743 states have internal predecessors, (4490), 1390 states have call successors, (1390), 364 states have call predecessors, (1390), 370 states have return successors, (1437), 1390 states have call predecessors, (1437), 1390 states have call successors, (1437) [2021-11-12 22:35:38,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5447 states to 5447 states and 7317 transitions. [2021-11-12 22:35:38,221 INFO L78 Accepts]: Start accepts. Automaton has 5447 states and 7317 transitions. Word has length 447 [2021-11-12 22:35:38,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:35:38,221 INFO L470 AbstractCegarLoop]: Abstraction has 5447 states and 7317 transitions. [2021-11-12 22:35:38,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2021-11-12 22:35:38,221 INFO L276 IsEmpty]: Start isEmpty. Operand 5447 states and 7317 transitions. [2021-11-12 22:35:38,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2021-11-12 22:35:38,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:35:38,228 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:38,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (58)] Ended with exit code 0 [2021-11-12 22:35:38,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:35:38,428 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:35:38,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:35:38,429 INFO L85 PathProgramCache]: Analyzing trace with hash -697354775, now seen corresponding path program 1 times [2021-11-12 22:35:38,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:35:38,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1099331212] [2021-11-12 22:35:38,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:35:38,432 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:35:38,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:35:38,433 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:35:38,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (59)] Waiting until timeout for monitored process [2021-11-12 22:35:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:35:48,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 3470 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 22:35:48,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:35:49,860 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-11-12 22:35:49,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:35:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2021-11-12 22:35:50,997 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:35:50,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1099331212] [2021-11-12 22:35:50,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1099331212] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:35:50,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:35:50,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2021-11-12 22:35:50,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097854007] [2021-11-12 22:35:50,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:35:50,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:35:50,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:35:50,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:35:50,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:35:50,998 INFO L87 Difference]: Start difference. First operand 5447 states and 7317 transitions. Second operand has 4 states, 4 states have (on average 55.5) internal successors, (222), 4 states have internal predecessors, (222), 2 states have call successors, (60), 2 states have call predecessors, (60), 3 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-12 22:35:53,211 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 22:35:53,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:35:53,996 INFO L93 Difference]: Finished difference Result 10883 states and 14648 transitions. [2021-11-12 22:35:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:35:53,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 4 states have internal predecessors, (222), 2 states have call successors, (60), 2 states have call predecessors, (60), 3 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 454 [2021-11-12 22:35:53,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:35:54,011 INFO L225 Difference]: With dead ends: 10883 [2021-11-12 22:35:54,011 INFO L226 Difference]: Without dead ends: 5455 [2021-11-12 22:35:54,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 907 GetRequests, 902 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-12 22:35:54,025 INFO L933 BasicCegarLoop]: 3456 mSDtfsCounter, 3 mSDsluCounter, 6902 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2221.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 10358 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.45ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2254.55ms IncrementalHoareTripleChecker+Time [2021-11-12 22:35:54,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 10358 Invalid, 35 Unknown, 0 Unchecked, 10.45ms Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 1 Unknown, 0 Unchecked, 2254.55ms Time] [2021-11-12 22:35:54,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5455 states. [2021-11-12 22:35:54,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5455 to 5455. [2021-11-12 22:35:54,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5455 states, 3690 states have (on average 1.218970189701897) internal successors, (4498), 3751 states have internal predecessors, (4498), 1390 states have call successors, (1390), 364 states have call predecessors, (1390), 372 states have return successors, (1446), 1390 states have call predecessors, (1446), 1390 states have call successors, (1446) [2021-11-12 22:35:54,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5455 states to 5455 states and 7334 transitions. [2021-11-12 22:35:54,676 INFO L78 Accepts]: Start accepts. Automaton has 5455 states and 7334 transitions. Word has length 454 [2021-11-12 22:35:54,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:35:54,676 INFO L470 AbstractCegarLoop]: Abstraction has 5455 states and 7334 transitions. [2021-11-12 22:35:54,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 4 states have internal predecessors, (222), 2 states have call successors, (60), 2 states have call predecessors, (60), 3 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-12 22:35:54,677 INFO L276 IsEmpty]: Start isEmpty. Operand 5455 states and 7334 transitions. [2021-11-12 22:35:54,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2021-11-12 22:35:54,683 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:35:54,684 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:54,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (59)] Forceful destruction successful, exit code 0 [2021-11-12 22:35:54,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:35:54,885 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-12 22:35:54,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:35:54,885 INFO L85 PathProgramCache]: Analyzing trace with hash -56377898, now seen corresponding path program 1 times [2021-11-12 22:35:54,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:35:54,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1275441255] [2021-11-12 22:35:54,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:35:54,889 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:35:54,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:35:54,890 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:35:54,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (60)] Waiting until timeout for monitored process [2021-11-12 22:36:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:36:05,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 3503 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:36:05,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:36:06,532 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 84 proven. 1 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-11-12 22:36:06,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:36:07,789 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2021-11-12 22:36:07,789 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:36:07,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1275441255] [2021-11-12 22:36:07,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1275441255] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:36:07,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [792123318] [2021-11-12 22:36:07,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:36:07,790 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 22:36:07,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 22:36:07,792 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 22:36:07,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6203539-055f-4c6c-9a40-e24179f38df4/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process