./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--memstick--core--ms_block.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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/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 66bac413628aea28df41e5815c9797e59bd0b92879c97b090502234c31960876 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:42:38,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:42:38,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:42:38,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:42:38,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:42:38,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:42:38,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:42:38,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:42:38,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:42:38,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:42:38,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:42:38,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:42:38,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:42:38,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:42:38,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:42:38,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:42:38,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:42:38,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:42:38,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:42:38,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:42:38,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:42:38,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:42:38,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:42:38,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:42:38,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:42:38,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:42:38,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:42:38,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:42:38,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:42:38,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:42:38,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:42:38,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:42:38,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:42:38,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:42:38,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:42:38,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:42:38,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:42:38,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:42:38,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:42:38,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:42:38,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:42:38,938 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 01:42:38,964 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:42:38,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:42:38,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:42:38,966 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:42:38,966 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:42:38,966 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:42:38,966 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:42:38,966 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:42:38,967 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:42:38,967 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:42:38,967 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:42:38,967 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:42:38,967 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:42:38,968 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:42:38,968 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:42:38,968 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:42:38,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:42:38,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:42:38,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:42:38,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:42:38,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:42:38,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:42:38,970 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:42:38,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:42:38,970 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:42:38,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:42:38,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:42:38,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:42:38,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:42:38,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:42:38,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:42:38,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:42:38,972 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:42:38,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:42:38,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:42:38,973 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:42:38,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:42:38,973 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66bac413628aea28df41e5815c9797e59bd0b92879c97b090502234c31960876 [2021-11-13 01:42:39,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:42:39,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:42:39,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:42:39,292 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:42:39,293 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:42:39,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2021-11-13 01:42:39,364 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/data/cfbac8040/8c255859a007460fa8fff14d0b89e20e/FLAG8b90e4610 [2021-11-13 01:42:40,264 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:42:40,265 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2021-11-13 01:42:40,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/data/cfbac8040/8c255859a007460fa8fff14d0b89e20e/FLAG8b90e4610 [2021-11-13 01:42:40,675 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/data/cfbac8040/8c255859a007460fa8fff14d0b89e20e [2021-11-13 01:42:40,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:42:40,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:42:40,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:42:40,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:42:40,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:42:40,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:42:40" (1/1) ... [2021-11-13 01:42:40,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb90e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:40, skipping insertion in model container [2021-11-13 01:42:40,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:42:40" (1/1) ... [2021-11-13 01:42:40,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:42:40,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:42:43,020 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:42:44,434 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345749,345762] [2021-11-13 01:42:44,437 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345894,345907] [2021-11-13 01:42:44,438 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346040,346053] [2021-11-13 01:42:44,438 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346205,346218] [2021-11-13 01:42:44,439 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346363,346376] [2021-11-13 01:42:44,439 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346521,346534] [2021-11-13 01:42:44,440 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346679,346692] [2021-11-13 01:42:44,440 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346839,346852] [2021-11-13 01:42:44,440 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346998,347011] [2021-11-13 01:42:44,441 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347137,347150] [2021-11-13 01:42:44,442 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347279,347292] [2021-11-13 01:42:44,442 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347428,347441] [2021-11-13 01:42:44,443 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347567,347580] [2021-11-13 01:42:44,443 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347722,347735] [2021-11-13 01:42:44,444 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347882,347895] [2021-11-13 01:42:44,444 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348033,348046] [2021-11-13 01:42:44,444 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348184,348197] [2021-11-13 01:42:44,445 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348336,348349] [2021-11-13 01:42:44,445 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348485,348498] [2021-11-13 01:42:44,446 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348633,348646] [2021-11-13 01:42:44,446 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348790,348803] [2021-11-13 01:42:44,447 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348939,348952] [2021-11-13 01:42:44,447 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349095,349108] [2021-11-13 01:42:44,448 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349248,349261] [2021-11-13 01:42:44,448 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349394,349407] [2021-11-13 01:42:44,449 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349537,349550] [2021-11-13 01:42:44,449 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349689,349702] [2021-11-13 01:42:44,449 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349835,349848] [2021-11-13 01:42:44,450 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349980,349993] [2021-11-13 01:42:44,450 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350134,350147] [2021-11-13 01:42:44,451 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350285,350298] [2021-11-13 01:42:44,451 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350440,350453] [2021-11-13 01:42:44,452 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350592,350605] [2021-11-13 01:42:44,452 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350747,350760] [2021-11-13 01:42:44,453 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350911,350924] [2021-11-13 01:42:44,453 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351067,351080] [2021-11-13 01:42:44,454 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351231,351244] [2021-11-13 01:42:44,454 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351373,351386] [2021-11-13 01:42:44,454 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351531,351544] [2021-11-13 01:42:44,455 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351698,351711] [2021-11-13 01:42:44,455 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351857,351870] [2021-11-13 01:42:44,456 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352016,352029] [2021-11-13 01:42:44,456 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352165,352178] [2021-11-13 01:42:44,457 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352312,352325] [2021-11-13 01:42:44,457 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352451,352464] [2021-11-13 01:42:44,458 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352614,352627] [2021-11-13 01:42:44,458 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352780,352793] [2021-11-13 01:42:44,458 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352944,352957] [2021-11-13 01:42:44,459 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353109,353122] [2021-11-13 01:42:44,459 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353274,353287] [2021-11-13 01:42:44,460 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353440,353453] [2021-11-13 01:42:44,460 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353605,353618] [2021-11-13 01:42:44,461 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353772,353785] [2021-11-13 01:42:44,461 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353932,353945] [2021-11-13 01:42:44,462 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354094,354107] [2021-11-13 01:42:44,462 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354253,354266] [2021-11-13 01:42:44,462 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354399,354412] [2021-11-13 01:42:44,463 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354542,354555] [2021-11-13 01:42:44,463 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354686,354699] [2021-11-13 01:42:44,464 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354829,354842] [2021-11-13 01:42:44,464 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354973,354986] [2021-11-13 01:42:44,465 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355114,355127] [2021-11-13 01:42:44,465 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355252,355265] [2021-11-13 01:42:44,466 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355410,355423] [2021-11-13 01:42:44,466 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355569,355582] [2021-11-13 01:42:44,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355725,355738] [2021-11-13 01:42:44,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355874,355887] [2021-11-13 01:42:44,468 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356026,356039] [2021-11-13 01:42:44,468 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356177,356190] [2021-11-13 01:42:44,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356326,356339] [2021-11-13 01:42:44,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356478,356491] [2021-11-13 01:42:44,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356626,356639] [2021-11-13 01:42:44,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356779,356792] [2021-11-13 01:42:44,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356930,356943] [2021-11-13 01:42:44,471 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357080,357093] [2021-11-13 01:42:44,471 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357227,357240] [2021-11-13 01:42:44,472 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357378,357391] [2021-11-13 01:42:44,472 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357529,357542] [2021-11-13 01:42:44,473 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357677,357690] [2021-11-13 01:42:44,473 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357843,357856] [2021-11-13 01:42:44,473 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358012,358025] [2021-11-13 01:42:44,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358179,358192] [2021-11-13 01:42:44,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358347,358360] [2021-11-13 01:42:44,475 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358497,358510] [2021-11-13 01:42:44,475 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358644,358657] [2021-11-13 01:42:44,476 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358805,358818] [2021-11-13 01:42:44,476 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358975,358988] [2021-11-13 01:42:44,476 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[359137,359150] [2021-11-13 01:42:44,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:42:44,506 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-13 01:42:44,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c4b3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:44, skipping insertion in model container [2021-11-13 01:42:44,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:42:44,507 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 01:42:44,514 INFO L158 Benchmark]: Toolchain (without parser) took 3828.93ms. Allocated memory was 98.6MB in the beginning and 142.6MB in the end (delta: 44.0MB). Free memory was 72.5MB in the beginning and 77.2MB in the end (delta: -4.7MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2021-11-13 01:42:44,514 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:42:44,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3810.59ms. Allocated memory was 98.6MB in the beginning and 142.6MB in the end (delta: 44.0MB). Free memory was 72.3MB in the beginning and 77.2MB in the end (delta: -5.0MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2021-11-13 01:42:44,518 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3810.59ms. Allocated memory was 98.6MB in the beginning and 142.6MB in the end (delta: 44.0MB). Free memory was 72.3MB in the beginning and 77.2MB in the end (delta: -5.0MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5531]: 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/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 66bac413628aea28df41e5815c9797e59bd0b92879c97b090502234c31960876 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:42:46,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:42:46,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:42:46,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:42:46,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:42:46,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:42:46,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:42:46,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:42:46,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:42:46,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:42:46,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:42:46,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:42:46,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:42:46,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:42:46,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:42:46,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:42:46,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:42:46,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:42:46,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:42:46,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:42:46,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:42:46,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:42:46,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:42:46,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:42:46,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:42:46,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:42:46,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:42:46,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:42:46,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:42:46,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:42:46,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:42:46,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:42:46,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:42:46,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:42:46,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:42:46,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:42:46,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:42:46,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:42:46,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:42:46,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:42:46,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:42:46,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 01:42:46,866 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:42:46,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:42:46,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:42:46,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:42:46,868 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:42:46,868 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:42:46,869 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:42:46,869 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:42:46,869 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:42:46,869 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:42:46,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:42:46,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:42:46,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:42:46,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:42:46,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:42:46,873 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:42:46,873 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 01:42:46,873 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 01:42:46,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:42:46,874 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:42:46,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:42:46,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:42:46,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 01:42:46,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:42:46,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:42:46,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:42:46,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:42:46,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:42:46,876 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 01:42:46,876 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 01:42:46,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:42:46,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:42:46,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:42:46,877 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66bac413628aea28df41e5815c9797e59bd0b92879c97b090502234c31960876 [2021-11-13 01:42:47,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:42:47,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:42:47,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:42:47,334 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:42:47,335 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:42:47,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2021-11-13 01:42:47,399 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/data/ada25fa4a/b28fdf924d544a8c85b5eb8c513c0709/FLAGdef70a9cb [2021-11-13 01:42:48,392 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:42:48,394 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2021-11-13 01:42:48,470 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/data/ada25fa4a/b28fdf924d544a8c85b5eb8c513c0709/FLAGdef70a9cb [2021-11-13 01:42:48,787 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/data/ada25fa4a/b28fdf924d544a8c85b5eb8c513c0709 [2021-11-13 01:42:48,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:42:48,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:42:48,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:42:48,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:42:48,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:42:48,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:42:48" (1/1) ... [2021-11-13 01:42:48,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31579d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:48, skipping insertion in model container [2021-11-13 01:42:48,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:42:48" (1/1) ... [2021-11-13 01:42:48,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:42:48,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:42:52,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345749,345762] [2021-11-13 01:42:52,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345894,345907] [2021-11-13 01:42:52,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346040,346053] [2021-11-13 01:42:52,475 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346205,346218] [2021-11-13 01:42:52,476 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346363,346376] [2021-11-13 01:42:52,482 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346521,346534] [2021-11-13 01:42:52,482 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346679,346692] [2021-11-13 01:42:52,483 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346839,346852] [2021-11-13 01:42:52,483 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346998,347011] [2021-11-13 01:42:52,484 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347137,347150] [2021-11-13 01:42:52,484 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347279,347292] [2021-11-13 01:42:52,485 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347428,347441] [2021-11-13 01:42:52,486 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347567,347580] [2021-11-13 01:42:52,486 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347722,347735] [2021-11-13 01:42:52,491 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347882,347895] [2021-11-13 01:42:52,492 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348033,348046] [2021-11-13 01:42:52,496 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348184,348197] [2021-11-13 01:42:52,496 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348336,348349] [2021-11-13 01:42:52,497 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348485,348498] [2021-11-13 01:42:52,498 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348633,348646] [2021-11-13 01:42:52,498 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348790,348803] [2021-11-13 01:42:52,499 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348939,348952] [2021-11-13 01:42:52,499 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349095,349108] [2021-11-13 01:42:52,501 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349248,349261] [2021-11-13 01:42:52,502 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349394,349407] [2021-11-13 01:42:52,502 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349537,349550] [2021-11-13 01:42:52,503 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349689,349702] [2021-11-13 01:42:52,503 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349835,349848] [2021-11-13 01:42:52,505 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349980,349993] [2021-11-13 01:42:52,506 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350134,350147] [2021-11-13 01:42:52,506 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350285,350298] [2021-11-13 01:42:52,507 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350440,350453] [2021-11-13 01:42:52,508 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350592,350605] [2021-11-13 01:42:52,509 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350747,350760] [2021-11-13 01:42:52,509 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350911,350924] [2021-11-13 01:42:52,510 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351067,351080] [2021-11-13 01:42:52,510 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351231,351244] [2021-11-13 01:42:52,510 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351373,351386] [2021-11-13 01:42:52,511 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351531,351544] [2021-11-13 01:42:52,511 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351698,351711] [2021-11-13 01:42:52,512 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351857,351870] [2021-11-13 01:42:52,512 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352016,352029] [2021-11-13 01:42:52,513 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352165,352178] [2021-11-13 01:42:52,513 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352312,352325] [2021-11-13 01:42:52,514 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352451,352464] [2021-11-13 01:42:52,514 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352614,352627] [2021-11-13 01:42:52,514 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352780,352793] [2021-11-13 01:42:52,516 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352944,352957] [2021-11-13 01:42:52,516 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353109,353122] [2021-11-13 01:42:52,516 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353274,353287] [2021-11-13 01:42:52,517 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353440,353453] [2021-11-13 01:42:52,517 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353605,353618] [2021-11-13 01:42:52,518 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353772,353785] [2021-11-13 01:42:52,518 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353932,353945] [2021-11-13 01:42:52,518 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354094,354107] [2021-11-13 01:42:52,519 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354253,354266] [2021-11-13 01:42:52,519 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354399,354412] [2021-11-13 01:42:52,520 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354542,354555] [2021-11-13 01:42:52,520 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354686,354699] [2021-11-13 01:42:52,521 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354829,354842] [2021-11-13 01:42:52,521 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354973,354986] [2021-11-13 01:42:52,522 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355114,355127] [2021-11-13 01:42:52,522 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355252,355265] [2021-11-13 01:42:52,523 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355410,355423] [2021-11-13 01:42:52,523 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355569,355582] [2021-11-13 01:42:52,524 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355725,355738] [2021-11-13 01:42:52,524 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355874,355887] [2021-11-13 01:42:52,524 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356026,356039] [2021-11-13 01:42:52,525 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356177,356190] [2021-11-13 01:42:52,525 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356326,356339] [2021-11-13 01:42:52,526 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356478,356491] [2021-11-13 01:42:52,526 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356626,356639] [2021-11-13 01:42:52,526 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356779,356792] [2021-11-13 01:42:52,527 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356930,356943] [2021-11-13 01:42:52,527 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357080,357093] [2021-11-13 01:42:52,528 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357227,357240] [2021-11-13 01:42:52,528 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357378,357391] [2021-11-13 01:42:52,529 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357529,357542] [2021-11-13 01:42:52,529 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357677,357690] [2021-11-13 01:42:52,530 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357843,357856] [2021-11-13 01:42:52,530 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358012,358025] [2021-11-13 01:42:52,531 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358179,358192] [2021-11-13 01:42:52,531 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358347,358360] [2021-11-13 01:42:52,531 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358497,358510] [2021-11-13 01:42:52,532 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358644,358657] [2021-11-13 01:42:52,533 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358805,358818] [2021-11-13 01:42:52,534 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358975,358988] [2021-11-13 01:42:52,534 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[359137,359150] [2021-11-13 01:42:52,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:42:52,599 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 01:42:52,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:42:53,062 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345749,345762] [2021-11-13 01:42:53,063 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345894,345907] [2021-11-13 01:42:53,063 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346040,346053] [2021-11-13 01:42:53,064 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346205,346218] [2021-11-13 01:42:53,064 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346363,346376] [2021-11-13 01:42:53,065 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346521,346534] [2021-11-13 01:42:53,065 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346679,346692] [2021-11-13 01:42:53,066 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346839,346852] [2021-11-13 01:42:53,066 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346998,347011] [2021-11-13 01:42:53,067 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347137,347150] [2021-11-13 01:42:53,067 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347279,347292] [2021-11-13 01:42:53,067 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347428,347441] [2021-11-13 01:42:53,068 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347567,347580] [2021-11-13 01:42:53,068 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347722,347735] [2021-11-13 01:42:53,069 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347882,347895] [2021-11-13 01:42:53,069 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348033,348046] [2021-11-13 01:42:53,070 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348184,348197] [2021-11-13 01:42:53,070 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348336,348349] [2021-11-13 01:42:53,071 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348485,348498] [2021-11-13 01:42:53,071 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348633,348646] [2021-11-13 01:42:53,072 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348790,348803] [2021-11-13 01:42:53,072 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348939,348952] [2021-11-13 01:42:53,072 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349095,349108] [2021-11-13 01:42:53,073 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349248,349261] [2021-11-13 01:42:53,073 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349394,349407] [2021-11-13 01:42:53,074 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349537,349550] [2021-11-13 01:42:53,074 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349689,349702] [2021-11-13 01:42:53,075 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349835,349848] [2021-11-13 01:42:53,075 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349980,349993] [2021-11-13 01:42:53,076 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350134,350147] [2021-11-13 01:42:53,076 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350285,350298] [2021-11-13 01:42:53,077 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350440,350453] [2021-11-13 01:42:53,077 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350592,350605] [2021-11-13 01:42:53,077 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350747,350760] [2021-11-13 01:42:53,078 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350911,350924] [2021-11-13 01:42:53,078 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351067,351080] [2021-11-13 01:42:53,079 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351231,351244] [2021-11-13 01:42:53,079 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351373,351386] [2021-11-13 01:42:53,079 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351531,351544] [2021-11-13 01:42:53,080 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351698,351711] [2021-11-13 01:42:53,080 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351857,351870] [2021-11-13 01:42:53,082 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352016,352029] [2021-11-13 01:42:53,082 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352165,352178] [2021-11-13 01:42:53,083 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352312,352325] [2021-11-13 01:42:53,085 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352451,352464] [2021-11-13 01:42:53,087 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352614,352627] [2021-11-13 01:42:53,088 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352780,352793] [2021-11-13 01:42:53,088 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352944,352957] [2021-11-13 01:42:53,090 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353109,353122] [2021-11-13 01:42:53,091 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353274,353287] [2021-11-13 01:42:53,091 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353440,353453] [2021-11-13 01:42:53,092 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353605,353618] [2021-11-13 01:42:53,092 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353772,353785] [2021-11-13 01:42:53,092 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353932,353945] [2021-11-13 01:42:53,093 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354094,354107] [2021-11-13 01:42:53,093 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354253,354266] [2021-11-13 01:42:53,094 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354399,354412] [2021-11-13 01:42:53,095 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354542,354555] [2021-11-13 01:42:53,096 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354686,354699] [2021-11-13 01:42:53,096 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354829,354842] [2021-11-13 01:42:53,098 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354973,354986] [2021-11-13 01:42:53,101 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355114,355127] [2021-11-13 01:42:53,101 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355252,355265] [2021-11-13 01:42:53,102 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355410,355423] [2021-11-13 01:42:53,103 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355569,355582] [2021-11-13 01:42:53,104 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355725,355738] [2021-11-13 01:42:53,104 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355874,355887] [2021-11-13 01:42:53,105 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356026,356039] [2021-11-13 01:42:53,105 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356177,356190] [2021-11-13 01:42:53,106 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356326,356339] [2021-11-13 01:42:53,107 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356478,356491] [2021-11-13 01:42:53,107 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356626,356639] [2021-11-13 01:42:53,108 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356779,356792] [2021-11-13 01:42:53,108 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356930,356943] [2021-11-13 01:42:53,109 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357080,357093] [2021-11-13 01:42:53,109 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357227,357240] [2021-11-13 01:42:53,110 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357378,357391] [2021-11-13 01:42:53,110 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357529,357542] [2021-11-13 01:42:53,111 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357677,357690] [2021-11-13 01:42:53,112 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357843,357856] [2021-11-13 01:42:53,145 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358012,358025] [2021-11-13 01:42:53,145 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358179,358192] [2021-11-13 01:42:53,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358347,358360] [2021-11-13 01:42:53,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358497,358510] [2021-11-13 01:42:53,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358644,358657] [2021-11-13 01:42:53,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358805,358818] [2021-11-13 01:42:53,147 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358975,358988] [2021-11-13 01:42:53,147 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[359137,359150] [2021-11-13 01:42:53,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:42:53,167 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:42:53,636 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345749,345762] [2021-11-13 01:42:53,637 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345894,345907] [2021-11-13 01:42:53,638 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346040,346053] [2021-11-13 01:42:53,638 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346205,346218] [2021-11-13 01:42:53,638 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346363,346376] [2021-11-13 01:42:53,639 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346521,346534] [2021-11-13 01:42:53,639 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346679,346692] [2021-11-13 01:42:53,639 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346839,346852] [2021-11-13 01:42:53,639 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346998,347011] [2021-11-13 01:42:53,640 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347137,347150] [2021-11-13 01:42:53,640 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347279,347292] [2021-11-13 01:42:53,640 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347428,347441] [2021-11-13 01:42:53,641 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347567,347580] [2021-11-13 01:42:53,641 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347722,347735] [2021-11-13 01:42:53,641 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347882,347895] [2021-11-13 01:42:53,642 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348033,348046] [2021-11-13 01:42:53,642 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348184,348197] [2021-11-13 01:42:53,643 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348336,348349] [2021-11-13 01:42:53,643 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348485,348498] [2021-11-13 01:42:53,643 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348633,348646] [2021-11-13 01:42:53,644 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348790,348803] [2021-11-13 01:42:53,644 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348939,348952] [2021-11-13 01:42:53,644 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349095,349108] [2021-11-13 01:42:53,645 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349248,349261] [2021-11-13 01:42:53,645 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349394,349407] [2021-11-13 01:42:53,645 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349537,349550] [2021-11-13 01:42:53,648 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349689,349702] [2021-11-13 01:42:53,648 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349835,349848] [2021-11-13 01:42:53,648 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349980,349993] [2021-11-13 01:42:53,649 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350134,350147] [2021-11-13 01:42:53,649 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350285,350298] [2021-11-13 01:42:53,649 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350440,350453] [2021-11-13 01:42:53,650 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350592,350605] [2021-11-13 01:42:53,650 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350747,350760] [2021-11-13 01:42:53,650 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350911,350924] [2021-11-13 01:42:53,651 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351067,351080] [2021-11-13 01:42:53,651 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351231,351244] [2021-11-13 01:42:53,651 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351373,351386] [2021-11-13 01:42:53,652 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351531,351544] [2021-11-13 01:42:53,652 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_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351698,351711] [2021-11-13 01:42:53,653 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351857,351870] [2021-11-13 01:42:53,653 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352016,352029] [2021-11-13 01:42:53,653 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352165,352178] [2021-11-13 01:42:53,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352312,352325] [2021-11-13 01:42:53,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352451,352464] [2021-11-13 01:42:53,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352614,352627] [2021-11-13 01:42:53,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352780,352793] [2021-11-13 01:42:53,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352944,352957] [2021-11-13 01:42:53,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353109,353122] [2021-11-13 01:42:53,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353274,353287] [2021-11-13 01:42:53,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353440,353453] [2021-11-13 01:42:53,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353605,353618] [2021-11-13 01:42:53,657 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353772,353785] [2021-11-13 01:42:53,657 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353932,353945] [2021-11-13 01:42:53,658 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354094,354107] [2021-11-13 01:42:53,658 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354253,354266] [2021-11-13 01:42:53,658 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354399,354412] [2021-11-13 01:42:53,659 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354542,354555] [2021-11-13 01:42:53,659 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354686,354699] [2021-11-13 01:42:53,659 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354829,354842] [2021-11-13 01:42:53,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354973,354986] [2021-11-13 01:42:53,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355114,355127] [2021-11-13 01:42:53,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355252,355265] [2021-11-13 01:42:53,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355410,355423] [2021-11-13 01:42:53,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355569,355582] [2021-11-13 01:42:53,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355725,355738] [2021-11-13 01:42:53,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355874,355887] [2021-11-13 01:42:53,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356026,356039] [2021-11-13 01:42:53,663 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356177,356190] [2021-11-13 01:42:53,663 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356326,356339] [2021-11-13 01:42:53,663 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356478,356491] [2021-11-13 01:42:53,664 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356626,356639] [2021-11-13 01:42:53,664 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356779,356792] [2021-11-13 01:42:53,664 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356930,356943] [2021-11-13 01:42:53,665 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357080,357093] [2021-11-13 01:42:53,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357227,357240] [2021-11-13 01:42:53,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357378,357391] [2021-11-13 01:42:53,669 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357529,357542] [2021-11-13 01:42:53,669 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357677,357690] [2021-11-13 01:42:53,672 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357843,357856] [2021-11-13 01:42:53,676 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358012,358025] [2021-11-13 01:42:53,677 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358179,358192] [2021-11-13 01:42:53,677 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358347,358360] [2021-11-13 01:42:53,678 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358497,358510] [2021-11-13 01:42:53,678 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358644,358657] [2021-11-13 01:42:53,679 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358805,358818] [2021-11-13 01:42:53,679 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358975,358988] [2021-11-13 01:42:53,679 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[359137,359150] [2021-11-13 01:42:53,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:42:54,059 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:42:54,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:54 WrapperNode [2021-11-13 01:42:54,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:42:54,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:42:54,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:42:54,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:42:54,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:54" (1/1) ... [2021-11-13 01:42:54,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:54" (1/1) ... [2021-11-13 01:42:54,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:42:54,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:42:54,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:42:54,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:42:54,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:54" (1/1) ... [2021-11-13 01:42:54,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:54" (1/1) ... [2021-11-13 01:42:54,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:54" (1/1) ... [2021-11-13 01:42:54,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:54" (1/1) ... [2021-11-13 01:42:54,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:54" (1/1) ... [2021-11-13 01:42:54,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:54" (1/1) ... [2021-11-13 01:42:54,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:54" (1/1) ... [2021-11-13 01:42:54,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:42:54,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:42:54,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:42:54,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:42:54,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:54" (1/1) ... [2021-11-13 01:42:54,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:42:54,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:42:54,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:42:54,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:42:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-13 01:42:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-13 01:42:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 01:42:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 01:42:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure msb_stop [2021-11-13 01:42:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_stop [2021-11-13 01:42:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_pba [2021-11-13 01:42:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_pba [2021-11-13 01:42:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_msb_disk_lock [2021-11-13 01:42:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_msb_disk_lock [2021-11-13 01:42:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-13 01:42:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-13 01:42:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 01:42:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 01:42:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-13 01:42:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-13 01:42:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-13 01:42:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-13 01:42:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-13 01:42:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-13 01:42:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-13 01:42:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-13 01:42:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-13 01:42:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-13 01:42:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_remove_msb_disk_idr [2021-11-13 01:42:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_remove_msb_disk_idr [2021-11-13 01:42:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 01:42:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 01:42:54,788 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-13 01:42:54,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 01:42:54,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 01:42:54,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 01:42:54,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 01:42:54,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-13 01:42:54,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-13 01:42:54,789 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2021-11-13 01:42:54,789 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2021-11-13 01:42:54,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:42:54,789 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_get_drvdata [2021-11-13 01:42:54,789 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_get_drvdata [2021-11-13 01:42:54,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-13 01:42:54,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 01:42:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 01:42:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 01:42:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-13 01:42:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-13 01:42:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure msb_data_clear [2021-11-13 01:42:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_data_clear [2021-11-13 01:42:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-13 01:42:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-13 01:42:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_bad_block_table [2021-11-13 01:42:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_bad_block_table [2021-11-13 01:42:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-13 01:42:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-13 01:42:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 01:42:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 01:42:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-13 01:42:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-13 01:42:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 01:42:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 01:42:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-13 01:42:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-13 01:42:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-13 01:42:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-13 01:42:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_lba [2021-11-13 01:42:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_lba [2021-11-13 01:42:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-13 01:42:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-13 01:42:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-13 01:42:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-13 01:42:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure msb_reset [2021-11-13 01:42:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_reset [2021-11-13 01:42:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 01:42:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 01:42:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-13 01:42:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-13 01:42:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2021-11-13 01:42:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2021-11-13 01:42:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-11-13 01:42:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-11-13 01:42:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-13 01:42:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-13 01:42:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure msb_remove [2021-11-13 01:42:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_remove [2021-11-13 01:42:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_bad [2021-11-13 01:42:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_bad [2021-11-13 01:42:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-13 01:42:54,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-13 01:42:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2021-11-13 01:42:54,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2021-11-13 01:42:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 01:42:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~X~C_INT~TO~C_INT [2021-11-13 01:42:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~X~C_INT~TO~C_INT [2021-11-13 01:42:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2021-11-13 01:42:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2021-11-13 01:42:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 01:42:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 01:42:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 01:42:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_page [2021-11-13 01:42:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_page [2021-11-13 01:42:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_msb_data [2021-11-13 01:42:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_msb_data [2021-11-13 01:42:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_block_used [2021-11-13 01:42:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_block_used [2021-11-13 01:42:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_discard [2021-11-13 01:42:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_discard [2021-11-13 01:42:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 01:42:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 01:42:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure msb_start [2021-11-13 01:42:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_start [2021-11-13 01:42:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-13 01:42:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-13 01:42:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure msb_init_card [2021-11-13 01:42:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_init_card [2021-11-13 01:42:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2021-11-13 01:42:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2021-11-13 01:42:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:42:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:42:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-13 01:42:54,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-13 01:42:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 01:42:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 01:42:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 01:42:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 01:42:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 01:42:54,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 01:42:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-13 01:42:54,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-13 01:42:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure msb_switch_to_parallel [2021-11-13 01:42:54,821 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_switch_to_parallel [2021-11-13 01:42:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 01:42:54,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 01:42:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure msb_validate_used_block_bitmap [2021-11-13 01:42:54,821 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_validate_used_block_bitmap [2021-11-13 01:42:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-13 01:42:54,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-13 01:42:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-13 01:42:54,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-13 01:42:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:42:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-13 01:42:54,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-13 01:42:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-13 01:42:54,822 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-13 01:42:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_drvdata [2021-11-13 01:42:54,822 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_set_drvdata [2021-11-13 01:42:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 01:42:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure msb_invalidate_reg_window [2021-11-13 01:42:54,822 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_invalidate_reg_window [2021-11-13 01:42:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 01:42:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 01:42:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2021-11-13 01:42:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2021-11-13 01:42:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-13 01:42:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 01:42:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure msb_erase_block [2021-11-13 01:42:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_erase_block [2021-11-13 01:42:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 01:42:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-13 01:42:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-13 01:42:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-13 01:42:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-13 01:42:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-13 01:42:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-13 01:42:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2021-11-13 01:42:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2021-11-13 01:42:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 01:42:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 01:42:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 01:42:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 01:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2021-11-13 01:42:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2021-11-13 01:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure msb_run_state_machine [2021-11-13 01:42:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_run_state_machine [2021-11-13 01:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-13 01:42:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-13 01:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-13 01:42:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-13 01:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-13 01:42:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-13 01:42:54,826 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-13 01:42:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-13 01:42:54,826 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-13 01:42:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-13 01:42:54,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-13 01:42:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-13 01:42:54,826 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 01:42:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 01:42:54,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-13 01:42:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-13 01:42:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-13 01:42:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-13 01:42:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 01:42:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 01:42:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-13 01:42:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-13 01:42:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2021-11-13 01:42:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2021-11-13 01:42:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_msb_disk_lock [2021-11-13 01:42:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_msb_disk_lock [2021-11-13 01:42:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-11-13 01:42:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-11-13 01:42:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2021-11-13 01:42:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2021-11-13 01:42:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure msb_set_overwrite_flag [2021-11-13 01:42:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_set_overwrite_flag [2021-11-13 01:42:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 01:42:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 01:42:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-13 01:42:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-13 01:42:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure msb_disk_release [2021-11-13 01:42:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_disk_release [2021-11-13 01:42:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_memstick_host [2021-11-13 01:42:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_memstick_host [2021-11-13 01:42:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-11-13 01:42:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-11-13 01:42:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2021-11-13 01:42:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2021-11-13 01:42:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-11-13 01:42:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-11-13 01:42:55,688 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 01:43:20,706 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:43:20,713 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 01:43:20,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:43:20 BoogieIcfgContainer [2021-11-13 01:43:20,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:43:20,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:43:20,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:43:20,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:43:20,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:42:48" (1/3) ... [2021-11-13 01:43:20,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6695901d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:43:20, skipping insertion in model container [2021-11-13 01:43:20,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:54" (2/3) ... [2021-11-13 01:43:20,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6695901d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:43:20, skipping insertion in model container [2021-11-13 01:43:20,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:43:20" (3/3) ... [2021-11-13 01:43:20,737 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2021-11-13 01:43:20,746 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:43:20,751 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-11-13 01:43:20,828 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:43:20,836 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 01:43:20,837 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-11-13 01:43:20,903 INFO L276 IsEmpty]: Start isEmpty. Operand has 1311 states, 869 states have (on average 1.3060989643268124) internal successors, (1135), 924 states have internal predecessors, (1135), 307 states have call successors, (307), 99 states have call predecessors, (307), 98 states have return successors, (304), 301 states have call predecessors, (304), 304 states have call successors, (304) [2021-11-13 01:43:20,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 01:43:20,913 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:20,914 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:43:20,914 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:43:20,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:20,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1736687614, now seen corresponding path program 1 times [2021-11-13 01:43:20,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:43:20,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [10919000] [2021-11-13 01:43:20,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:20,941 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:43:20,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:43:20,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:43:20,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 01:43:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:22,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:43:22,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:43:23,347 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:43:23,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:43:23,624 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:43:23,625 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:43:23,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [10919000] [2021-11-13 01:43:23,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [10919000] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:23,626 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:23,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:43:23,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048518281] [2021-11-13 01:43:23,628 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:23,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:43:23,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:43:23,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:43:23,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:43:23,679 INFO L87 Difference]: Start difference. First operand has 1311 states, 869 states have (on average 1.3060989643268124) internal successors, (1135), 924 states have internal predecessors, (1135), 307 states have call successors, (307), 99 states have call predecessors, (307), 98 states have return successors, (304), 301 states have call predecessors, (304), 304 states have call successors, (304) Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-13 01:43:24,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:24,035 INFO L93 Difference]: Finished difference Result 2577 states and 3562 transitions. [2021-11-13 01:43:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:43:24,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 51 [2021-11-13 01:43:24,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:24,065 INFO L225 Difference]: With dead ends: 2577 [2021-11-13 01:43:24,065 INFO L226 Difference]: Without dead ends: 1295 [2021-11-13 01:43:24,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:43:24,092 INFO L933 BasicCegarLoop]: 1698 mSDtfsCounter, 1662 mSDsluCounter, 1696 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1664 SdHoareTripleChecker+Valid, 3394 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 37.68ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.73ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:24,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1664 Valid, 3394 Invalid, 2 Unknown, 0 Unchecked, 37.68ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.73ms Time] [2021-11-13 01:43:24,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2021-11-13 01:43:24,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1295. [2021-11-13 01:43:24,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1295 states, 859 states have (on average 1.2572759022118742) internal successors, (1080), 911 states have internal predecessors, (1080), 304 states have call successors, (304), 98 states have call predecessors, (304), 97 states have return successors, (302), 299 states have call predecessors, (302), 302 states have call successors, (302) [2021-11-13 01:43:24,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1686 transitions. [2021-11-13 01:43:24,281 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1686 transitions. Word has length 51 [2021-11-13 01:43:24,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:24,282 INFO L470 AbstractCegarLoop]: Abstraction has 1295 states and 1686 transitions. [2021-11-13 01:43:24,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-13 01:43:24,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1686 transitions. [2021-11-13 01:43:24,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 01:43:24,286 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:24,286 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:43:24,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 01:43:24,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:43:24,487 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:43:24,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:24,488 INFO L85 PathProgramCache]: Analyzing trace with hash -2019703266, now seen corresponding path program 1 times [2021-11-13 01:43:24,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:43:24,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030407364] [2021-11-13 01:43:24,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:24,491 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:43:24,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:43:24,493 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:43:24,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 01:43:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:26,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:43:26,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:43:26,709 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:43:26,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:43:26,963 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:43:26,964 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:43:26,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030407364] [2021-11-13 01:43:26,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030407364] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:26,964 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:26,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:43:26,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789554566] [2021-11-13 01:43:26,965 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:26,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:43:26,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:43:26,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:43:26,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:43:26,968 INFO L87 Difference]: Start difference. First operand 1295 states and 1686 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-13 01:43:27,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:27,285 INFO L93 Difference]: Finished difference Result 2533 states and 3301 transitions. [2021-11-13 01:43:27,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 01:43:27,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 57 [2021-11-13 01:43:27,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:27,310 INFO L225 Difference]: With dead ends: 2533 [2021-11-13 01:43:27,310 INFO L226 Difference]: Without dead ends: 2531 [2021-11-13 01:43:27,312 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:43:27,313 INFO L933 BasicCegarLoop]: 2037 mSDtfsCounter, 1613 mSDsluCounter, 5698 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1615 SdHoareTripleChecker+Valid, 7735 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.90ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 116.17ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:27,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1615 Valid, 7735 Invalid, 31 Unknown, 0 Unchecked, 29.90ms Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 116.17ms Time] [2021-11-13 01:43:27,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2531 states. [2021-11-13 01:43:27,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2531 to 2332. [2021-11-13 01:43:27,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2332 states, 1566 states have (on average 1.265006385696041) internal successors, (1981), 1637 states have internal predecessors, (1981), 555 states have call successors, (555), 177 states have call predecessors, (555), 176 states have return successors, (559), 544 states have call predecessors, (559), 553 states have call successors, (559) [2021-11-13 01:43:27,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 2332 states and 3095 transitions. [2021-11-13 01:43:27,480 INFO L78 Accepts]: Start accepts. Automaton has 2332 states and 3095 transitions. Word has length 57 [2021-11-13 01:43:27,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:27,483 INFO L470 AbstractCegarLoop]: Abstraction has 2332 states and 3095 transitions. [2021-11-13 01:43:27,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-13 01:43:27,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2332 states and 3095 transitions. [2021-11-13 01:43:27,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 01:43:27,496 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:27,497 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:43:27,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 01:43:27,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:43:27,721 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:43:27,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:27,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1183741183, now seen corresponding path program 1 times [2021-11-13 01:43:27,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:43:27,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968645565] [2021-11-13 01:43:27,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:27,725 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:43:27,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:43:27,727 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:43:27,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 01:43:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:29,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-13 01:43:29,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:43:30,130 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 01:43:30,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:43:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 01:43:31,336 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:43:31,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968645565] [2021-11-13 01:43:31,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [968645565] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:31,337 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:31,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 14] imperfect sequences [] total 25 [2021-11-13 01:43:31,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428495091] [2021-11-13 01:43:31,337 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:31,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-13 01:43:31,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:43:31,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-13 01:43:31,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-11-13 01:43:31,339 INFO L87 Difference]: Start difference. First operand 2332 states and 3095 transitions. Second operand has 25 states, 23 states have (on average 2.4347826086956523) internal successors, (56), 23 states have internal predecessors, (56), 10 states have call successors, (16), 2 states have call predecessors, (16), 5 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2021-11-13 01:43:33,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:33,793 INFO L93 Difference]: Finished difference Result 2555 states and 3343 transitions. [2021-11-13 01:43:33,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 01:43:33,794 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 2.4347826086956523) internal successors, (56), 23 states have internal predecessors, (56), 10 states have call successors, (16), 2 states have call predecessors, (16), 5 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) Word has length 60 [2021-11-13 01:43:33,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:33,818 INFO L225 Difference]: With dead ends: 2555 [2021-11-13 01:43:33,818 INFO L226 Difference]: Without dead ends: 2368 [2021-11-13 01:43:33,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=155, Invalid=901, Unknown=0, NotChecked=0, Total=1056 [2021-11-13 01:43:33,824 INFO L933 BasicCegarLoop]: 1682 mSDtfsCounter, 69 mSDsluCounter, 29980 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1481.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 31662 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 59.45ms SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1649.70ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:33,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 31662 Invalid, 854 Unknown, 0 Unchecked, 59.45ms Time], IncrementalHoareTripleChecker [265 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 1649.70ms Time] [2021-11-13 01:43:33,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2368 states. [2021-11-13 01:43:33,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2368 to 2344. [2021-11-13 01:43:33,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2344 states, 1574 states have (on average 1.263659466327827) internal successors, (1989), 1645 states have internal predecessors, (1989), 559 states have call successors, (559), 177 states have call predecessors, (559), 176 states have return successors, (563), 548 states have call predecessors, (563), 557 states have call successors, (563) [2021-11-13 01:43:33,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 2344 states and 3111 transitions. [2021-11-13 01:43:33,998 INFO L78 Accepts]: Start accepts. Automaton has 2344 states and 3111 transitions. Word has length 60 [2021-11-13 01:43:33,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:33,999 INFO L470 AbstractCegarLoop]: Abstraction has 2344 states and 3111 transitions. [2021-11-13 01:43:33,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 2.4347826086956523) internal successors, (56), 23 states have internal predecessors, (56), 10 states have call successors, (16), 2 states have call predecessors, (16), 5 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2021-11-13 01:43:33,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 3111 transitions. [2021-11-13 01:43:34,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 01:43:34,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:34,001 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:43:34,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 01:43:34,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:43:34,225 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:43:34,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:34,225 INFO L85 PathProgramCache]: Analyzing trace with hash 782302987, now seen corresponding path program 1 times [2021-11-13 01:43:34,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:43:34,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021599342] [2021-11-13 01:43:34,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:34,227 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:43:34,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:43:34,228 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:43:34,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 01:43:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:35,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 997 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:43:35,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:43:36,434 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:43:36,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:43:36,675 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:43:36,676 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:43:36,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021599342] [2021-11-13 01:43:36,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2021599342] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:36,676 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:36,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:43:36,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794119474] [2021-11-13 01:43:36,677 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:36,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:43:36,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:43:36,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:43:36,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:43:36,678 INFO L87 Difference]: Start difference. First operand 2344 states and 3111 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-13 01:43:36,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:36,965 INFO L93 Difference]: Finished difference Result 4621 states and 6131 transitions. [2021-11-13 01:43:36,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 01:43:36,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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 63 [2021-11-13 01:43:36,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:37,004 INFO L225 Difference]: With dead ends: 4621 [2021-11-13 01:43:37,004 INFO L226 Difference]: Without dead ends: 4619 [2021-11-13 01:43:37,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:43:37,010 INFO L933 BasicCegarLoop]: 2029 mSDtfsCounter, 1632 mSDsluCounter, 5665 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 7694 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.52ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.48ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:37,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1634 Valid, 7694 Invalid, 20 Unknown, 0 Unchecked, 18.52ms Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 58.48ms Time] [2021-11-13 01:43:37,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4619 states. [2021-11-13 01:43:37,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4619 to 4425. [2021-11-13 01:43:37,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4425 states, 2996 states have (on average 1.2693591455273698) internal successors, (3803), 3106 states have internal predecessors, (3803), 1061 states have call successors, (1061), 336 states have call predecessors, (1061), 333 states have return successors, (1070), 1035 states have call predecessors, (1070), 1059 states have call successors, (1070) [2021-11-13 01:43:37,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4425 states to 4425 states and 5934 transitions. [2021-11-13 01:43:37,290 INFO L78 Accepts]: Start accepts. Automaton has 4425 states and 5934 transitions. Word has length 63 [2021-11-13 01:43:37,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:37,290 INFO L470 AbstractCegarLoop]: Abstraction has 4425 states and 5934 transitions. [2021-11-13 01:43:37,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-13 01:43:37,291 INFO L276 IsEmpty]: Start isEmpty. Operand 4425 states and 5934 transitions. [2021-11-13 01:43:37,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-13 01:43:37,294 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:37,294 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:43:37,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 01:43:37,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:43:37,517 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:43:37,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:37,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1039010824, now seen corresponding path program 1 times [2021-11-13 01:43:37,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:43:37,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647663085] [2021-11-13 01:43:37,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:37,519 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:43:37,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:43:37,521 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:43:37,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 01:43:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:39,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 1006 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:43:39,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:43:39,737 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:43:39,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:43:39,997 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:43:39,997 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:43:39,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1647663085] [2021-11-13 01:43:39,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1647663085] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:39,998 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:39,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:43:39,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090265217] [2021-11-13 01:43:39,998 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:39,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:43:39,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:43:40,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:43:40,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:43:40,000 INFO L87 Difference]: Start difference. First operand 4425 states and 5934 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-13 01:43:40,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:40,250 INFO L93 Difference]: Finished difference Result 4425 states and 5934 transitions. [2021-11-13 01:43:40,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:43:40,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 69 [2021-11-13 01:43:40,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:40,286 INFO L225 Difference]: With dead ends: 4425 [2021-11-13 01:43:40,286 INFO L226 Difference]: Without dead ends: 4423 [2021-11-13 01:43:40,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:43:40,290 INFO L933 BasicCegarLoop]: 1682 mSDtfsCounter, 1628 mSDsluCounter, 1680 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1630 SdHoareTripleChecker+Valid, 3362 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.89ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.88ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:40,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1630 Valid, 3362 Invalid, 2 Unknown, 0 Unchecked, 9.89ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.88ms Time] [2021-11-13 01:43:40,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4423 states. [2021-11-13 01:43:40,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4423 to 4423. [2021-11-13 01:43:40,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4423 states, 2995 states have (on average 1.2691151919866444) internal successors, (3801), 3104 states have internal predecessors, (3801), 1061 states have call successors, (1061), 336 states have call predecessors, (1061), 333 states have return successors, (1070), 1035 states have call predecessors, (1070), 1059 states have call successors, (1070) [2021-11-13 01:43:40,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4423 states to 4423 states and 5932 transitions. [2021-11-13 01:43:40,549 INFO L78 Accepts]: Start accepts. Automaton has 4423 states and 5932 transitions. Word has length 69 [2021-11-13 01:43:40,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:40,549 INFO L470 AbstractCegarLoop]: Abstraction has 4423 states and 5932 transitions. [2021-11-13 01:43:40,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-13 01:43:40,550 INFO L276 IsEmpty]: Start isEmpty. Operand 4423 states and 5932 transitions. [2021-11-13 01:43:40,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 01:43:40,551 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:40,552 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] [2021-11-13 01:43:40,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 01:43:40,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:43:40,765 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:43:40,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:40,765 INFO L85 PathProgramCache]: Analyzing trace with hash 60179669, now seen corresponding path program 1 times [2021-11-13 01:43:40,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:43:40,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1975046580] [2021-11-13 01:43:40,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:40,767 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:43:40,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:43:40,769 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:43:40,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 01:43:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:42,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 1058 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 01:43:42,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:43:42,912 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 01:43:42,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:43:43,236 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 01:43:43,236 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:43:43,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1975046580] [2021-11-13 01:43:43,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1975046580] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 01:43:43,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 01:43:43,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9 [2021-11-13 01:43:43,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586755257] [2021-11-13 01:43:43,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:43,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 01:43:43,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:43:43,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 01:43:43,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-13 01:43:43,238 INFO L87 Difference]: Start difference. First operand 4423 states and 5932 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-13 01:43:44,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:44,369 INFO L93 Difference]: Finished difference Result 4908 states and 6580 transitions. [2021-11-13 01:43:44,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 01:43:44,370 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 77 [2021-11-13 01:43:44,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:44,407 INFO L225 Difference]: With dead ends: 4908 [2021-11-13 01:43:44,408 INFO L226 Difference]: Without dead ends: 4672 [2021-11-13 01:43:44,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:43:44,413 INFO L933 BasicCegarLoop]: 1787 mSDtfsCounter, 118 mSDsluCounter, 10452 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 655.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 12239 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.71ms SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 728.20ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:44,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 12239 Invalid, 398 Unknown, 0 Unchecked, 24.71ms Time], IncrementalHoareTripleChecker [194 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 728.20ms Time] [2021-11-13 01:43:44,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4672 states. [2021-11-13 01:43:44,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4672 to 4426. [2021-11-13 01:43:44,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4426 states, 2998 states have (on average 1.2688458972648433) internal successors, (3804), 3107 states have internal predecessors, (3804), 1061 states have call successors, (1061), 336 states have call predecessors, (1061), 333 states have return successors, (1070), 1035 states have call predecessors, (1070), 1059 states have call successors, (1070) [2021-11-13 01:43:44,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4426 states to 4426 states and 5935 transitions. [2021-11-13 01:43:44,721 INFO L78 Accepts]: Start accepts. Automaton has 4426 states and 5935 transitions. Word has length 77 [2021-11-13 01:43:44,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:44,722 INFO L470 AbstractCegarLoop]: Abstraction has 4426 states and 5935 transitions. [2021-11-13 01:43:44,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-13 01:43:44,723 INFO L276 IsEmpty]: Start isEmpty. Operand 4426 states and 5935 transitions. [2021-11-13 01:43:44,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 01:43:44,725 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:44,725 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:43:44,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 01:43:44,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:43:44,954 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:43:44,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:44,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1648266163, now seen corresponding path program 1 times [2021-11-13 01:43:44,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:43:44,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1998219524] [2021-11-13 01:43:44,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:44,956 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:43:44,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:43:44,957 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:43:44,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 01:43:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:46,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:43:46,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:43:46,979 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:43:46,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:43:47,229 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:43:47,230 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:43:47,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1998219524] [2021-11-13 01:43:47,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1998219524] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:47,230 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:47,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:43:47,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982361392] [2021-11-13 01:43:47,230 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:47,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:43:47,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:43:47,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:43:47,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:43:47,232 INFO L87 Difference]: Start difference. First operand 4426 states and 5935 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-13 01:43:47,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:47,461 INFO L93 Difference]: Finished difference Result 4426 states and 5935 transitions. [2021-11-13 01:43:47,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:43:47,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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 75 [2021-11-13 01:43:47,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:47,497 INFO L225 Difference]: With dead ends: 4426 [2021-11-13 01:43:47,497 INFO L226 Difference]: Without dead ends: 4424 [2021-11-13 01:43:47,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:43:47,502 INFO L933 BasicCegarLoop]: 1680 mSDtfsCounter, 1620 mSDsluCounter, 1678 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1622 SdHoareTripleChecker+Valid, 3358 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.87ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.98ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:47,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1622 Valid, 3358 Invalid, 2 Unknown, 0 Unchecked, 8.87ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.98ms Time] [2021-11-13 01:43:47,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4424 states. [2021-11-13 01:43:47,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4424 to 4424. [2021-11-13 01:43:47,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4424 states, 2997 states have (on average 1.268601935268602) internal successors, (3802), 3105 states have internal predecessors, (3802), 1061 states have call successors, (1061), 336 states have call predecessors, (1061), 333 states have return successors, (1070), 1035 states have call predecessors, (1070), 1059 states have call successors, (1070) [2021-11-13 01:43:47,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4424 states to 4424 states and 5933 transitions. [2021-11-13 01:43:47,773 INFO L78 Accepts]: Start accepts. Automaton has 4424 states and 5933 transitions. Word has length 75 [2021-11-13 01:43:47,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:47,774 INFO L470 AbstractCegarLoop]: Abstraction has 4424 states and 5933 transitions. [2021-11-13 01:43:47,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-13 01:43:47,775 INFO L276 IsEmpty]: Start isEmpty. Operand 4424 states and 5933 transitions. [2021-11-13 01:43:47,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-13 01:43:47,776 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:47,777 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-13 01:43:47,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-13 01:43:47,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:43:47,992 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:43:47,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:47,992 INFO L85 PathProgramCache]: Analyzing trace with hash -59171616, now seen corresponding path program 1 times [2021-11-13 01:43:47,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:43:47,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [620450239] [2021-11-13 01:43:47,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:47,994 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:43:47,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:43:47,995 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:43:48,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-13 01:43:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:49,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 1069 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 01:43:49,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:43:50,523 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 01:43:50,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:43:51,262 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 01:43:51,262 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:43:51,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [620450239] [2021-11-13 01:43:51,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [620450239] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:43:51,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [628042089] [2021-11-13 01:43:51,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:51,263 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 01:43:51,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 01:43:51,268 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 01:43:51,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-11-13 01:43:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:53,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 1069 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 01:43:53,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:43:53,968 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 01:43:53,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:43:54,374 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 01:43:54,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [628042089] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:54,375 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-13 01:43:54,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 15] imperfect sequences [18, 18] total 21 [2021-11-13 01:43:54,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345308748] [2021-11-13 01:43:54,375 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:54,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-13 01:43:54,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:43:54,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-13 01:43:54,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2021-11-13 01:43:54,377 INFO L87 Difference]: Start difference. First operand 4424 states and 5933 transitions. Second operand has 18 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 8 states have call successors, (14), 2 states have call predecessors, (14), 5 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2021-11-13 01:43:56,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:56,695 INFO L93 Difference]: Finished difference Result 4824 states and 6393 transitions. [2021-11-13 01:43:56,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 01:43:56,696 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 8 states have call successors, (14), 2 states have call predecessors, (14), 5 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 82 [2021-11-13 01:43:56,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:56,746 INFO L225 Difference]: With dead ends: 4824 [2021-11-13 01:43:56,747 INFO L226 Difference]: Without dead ends: 4519 [2021-11-13 01:43:56,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=125, Invalid=745, Unknown=0, NotChecked=0, Total=870 [2021-11-13 01:43:56,752 INFO L933 BasicCegarLoop]: 1677 mSDtfsCounter, 56 mSDsluCounter, 21593 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1193.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 23270 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 37.84ms SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1301.44ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:56,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 23270 Invalid, 618 Unknown, 0 Unchecked, 37.84ms Time], IncrementalHoareTripleChecker [200 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 1301.44ms Time] [2021-11-13 01:43:56,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4519 states. [2021-11-13 01:43:57,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4519 to 4464. [2021-11-13 01:43:57,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4464 states, 3025 states have (on average 1.2661157024793388) internal successors, (3830), 3133 states have internal predecessors, (3830), 1073 states have call successors, (1073), 336 states have call predecessors, (1073), 333 states have return successors, (1082), 1047 states have call predecessors, (1082), 1071 states have call successors, (1082) [2021-11-13 01:43:57,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4464 states to 4464 states and 5985 transitions. [2021-11-13 01:43:57,067 INFO L78 Accepts]: Start accepts. Automaton has 4464 states and 5985 transitions. Word has length 82 [2021-11-13 01:43:57,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:57,068 INFO L470 AbstractCegarLoop]: Abstraction has 4464 states and 5985 transitions. [2021-11-13 01:43:57,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 8 states have call successors, (14), 2 states have call predecessors, (14), 5 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2021-11-13 01:43:57,068 INFO L276 IsEmpty]: Start isEmpty. Operand 4464 states and 5985 transitions. [2021-11-13 01:43:57,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 01:43:57,070 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:57,070 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:43:57,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-11-13 01:43:57,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-13 01:43:57,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:43:57,491 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:43:57,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:57,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1750652996, now seen corresponding path program 1 times [2021-11-13 01:43:57,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:43:57,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158993757] [2021-11-13 01:43:57,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:57,493 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:43:57,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:43:57,493 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:43:57,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-13 01:43:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:59,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:43:59,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:43:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:43:59,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:43:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:43:59,737 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:43:59,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [158993757] [2021-11-13 01:43:59,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [158993757] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:59,738 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:59,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:43:59,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500269414] [2021-11-13 01:43:59,738 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:59,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:43:59,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:43:59,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:43:59,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:43:59,740 INFO L87 Difference]: Start difference. First operand 4464 states and 5985 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-13 01:43:59,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:59,958 INFO L93 Difference]: Finished difference Result 4464 states and 5985 transitions. [2021-11-13 01:43:59,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:43:59,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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 81 [2021-11-13 01:43:59,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:59,979 INFO L225 Difference]: With dead ends: 4464 [2021-11-13 01:43:59,979 INFO L226 Difference]: Without dead ends: 4462 [2021-11-13 01:43:59,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:43:59,986 INFO L933 BasicCegarLoop]: 1678 mSDtfsCounter, 1609 mSDsluCounter, 3352 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1611 SdHoareTripleChecker+Valid, 5030 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.14ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.00ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:59,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1611 Valid, 5030 Invalid, 2 Unknown, 0 Unchecked, 10.14ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.00ms Time] [2021-11-13 01:43:59,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4462 states. [2021-11-13 01:44:00,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4462 to 4462. [2021-11-13 01:44:00,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4462 states, 3024 states have (on average 1.2658730158730158) internal successors, (3828), 3131 states have internal predecessors, (3828), 1073 states have call successors, (1073), 336 states have call predecessors, (1073), 333 states have return successors, (1082), 1047 states have call predecessors, (1082), 1071 states have call successors, (1082) [2021-11-13 01:44:00,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4462 states to 4462 states and 5983 transitions. [2021-11-13 01:44:00,317 INFO L78 Accepts]: Start accepts. Automaton has 4462 states and 5983 transitions. Word has length 81 [2021-11-13 01:44:00,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:00,317 INFO L470 AbstractCegarLoop]: Abstraction has 4462 states and 5983 transitions. [2021-11-13 01:44:00,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-13 01:44:00,318 INFO L276 IsEmpty]: Start isEmpty. Operand 4462 states and 5983 transitions. [2021-11-13 01:44:00,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 01:44:00,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:00,322 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:44:00,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:00,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:00,536 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:44:00,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:00,537 INFO L85 PathProgramCache]: Analyzing trace with hash 667960643, now seen corresponding path program 1 times [2021-11-13 01:44:00,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:00,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [983566730] [2021-11-13 01:44:00,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:00,538 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:00,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:00,539 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:00,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-13 01:44:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:02,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:44:02,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:02,594 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:44:02,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:02,894 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:44:02,895 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:02,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [983566730] [2021-11-13 01:44:02,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [983566730] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:02,895 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:02,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:44:02,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039309989] [2021-11-13 01:44:02,895 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:02,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:44:02,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:02,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:44:02,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:44:02,897 INFO L87 Difference]: Start difference. First operand 4462 states and 5983 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-13 01:44:03,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:03,173 INFO L93 Difference]: Finished difference Result 4462 states and 5983 transitions. [2021-11-13 01:44:03,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:44:03,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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 87 [2021-11-13 01:44:03,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:03,191 INFO L225 Difference]: With dead ends: 4462 [2021-11-13 01:44:03,192 INFO L226 Difference]: Without dead ends: 4460 [2021-11-13 01:44:03,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:44:03,195 INFO L933 BasicCegarLoop]: 1676 mSDtfsCounter, 1601 mSDsluCounter, 3348 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1603 SdHoareTripleChecker+Valid, 5024 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.12ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:03,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1603 Valid, 5024 Invalid, 2 Unknown, 0 Unchecked, 10.65ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.12ms Time] [2021-11-13 01:44:03,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4460 states. [2021-11-13 01:44:03,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4460 to 4460. [2021-11-13 01:44:03,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4460 states, 3023 states have (on average 1.265630168706583) internal successors, (3826), 3129 states have internal predecessors, (3826), 1073 states have call successors, (1073), 336 states have call predecessors, (1073), 333 states have return successors, (1082), 1047 states have call predecessors, (1082), 1071 states have call successors, (1082) [2021-11-13 01:44:03,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4460 states to 4460 states and 5981 transitions. [2021-11-13 01:44:03,542 INFO L78 Accepts]: Start accepts. Automaton has 4460 states and 5981 transitions. Word has length 87 [2021-11-13 01:44:03,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:03,542 INFO L470 AbstractCegarLoop]: Abstraction has 4460 states and 5981 transitions. [2021-11-13 01:44:03,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-13 01:44:03,543 INFO L276 IsEmpty]: Start isEmpty. Operand 4460 states and 5981 transitions. [2021-11-13 01:44:03,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-13 01:44:03,544 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:03,544 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:44:03,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:03,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:03,761 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:44:03,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:03,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1587729194, now seen corresponding path program 1 times [2021-11-13 01:44:03,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:03,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69109430] [2021-11-13 01:44:03,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:03,763 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:03,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:03,765 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:03,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-13 01:44:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:05,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:44:05,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:05,856 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:44:05,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:06,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:44:06,130 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:06,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69109430] [2021-11-13 01:44:06,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69109430] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:06,130 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:06,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:44:06,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593783035] [2021-11-13 01:44:06,131 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:06,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:44:06,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:06,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:44:06,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:44:06,133 INFO L87 Difference]: Start difference. First operand 4460 states and 5981 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 01:44:06,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:06,418 INFO L93 Difference]: Finished difference Result 4460 states and 5981 transitions. [2021-11-13 01:44:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:44:06,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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 93 [2021-11-13 01:44:06,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:06,437 INFO L225 Difference]: With dead ends: 4460 [2021-11-13 01:44:06,437 INFO L226 Difference]: Without dead ends: 4458 [2021-11-13 01:44:06,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:44:06,440 INFO L933 BasicCegarLoop]: 1674 mSDtfsCounter, 1597 mSDsluCounter, 3336 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 5010 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.17ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.62ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:06,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1599 Valid, 5010 Invalid, 2 Unknown, 0 Unchecked, 9.17ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.62ms Time] [2021-11-13 01:44:06,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4458 states. [2021-11-13 01:44:06,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4458 to 4458. [2021-11-13 01:44:06,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4458 states, 3022 states have (on average 1.2653871608206486) internal successors, (3824), 3127 states have internal predecessors, (3824), 1073 states have call successors, (1073), 336 states have call predecessors, (1073), 333 states have return successors, (1082), 1047 states have call predecessors, (1082), 1071 states have call successors, (1082) [2021-11-13 01:44:06,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4458 states to 4458 states and 5979 transitions. [2021-11-13 01:44:06,771 INFO L78 Accepts]: Start accepts. Automaton has 4458 states and 5979 transitions. Word has length 93 [2021-11-13 01:44:06,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:06,772 INFO L470 AbstractCegarLoop]: Abstraction has 4458 states and 5979 transitions. [2021-11-13 01:44:06,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 01:44:06,773 INFO L276 IsEmpty]: Start isEmpty. Operand 4458 states and 5979 transitions. [2021-11-13 01:44:06,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-13 01:44:06,776 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:06,776 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:44:06,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:07,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:07,001 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:44:07,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:07,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1094231047, now seen corresponding path program 1 times [2021-11-13 01:44:07,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:07,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734311194] [2021-11-13 01:44:07,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:07,004 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:07,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:07,006 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:07,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-13 01:44:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:08,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:44:08,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:09,384 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:44:09,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:09,669 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:44:09,670 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:09,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734311194] [2021-11-13 01:44:09,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734311194] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:09,670 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:09,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:44:09,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278368184] [2021-11-13 01:44:09,671 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:09,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:44:09,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:09,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:44:09,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:44:09,672 INFO L87 Difference]: Start difference. First operand 4458 states and 5979 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 01:44:09,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:09,991 INFO L93 Difference]: Finished difference Result 4458 states and 5979 transitions. [2021-11-13 01:44:09,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:44:09,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 95 [2021-11-13 01:44:09,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:10,008 INFO L225 Difference]: With dead ends: 4458 [2021-11-13 01:44:10,009 INFO L226 Difference]: Without dead ends: 4456 [2021-11-13 01:44:10,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:44:10,012 INFO L933 BasicCegarLoop]: 1672 mSDtfsCounter, 1592 mSDsluCounter, 1670 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1594 SdHoareTripleChecker+Valid, 3342 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.83ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.21ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:10,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1594 Valid, 3342 Invalid, 2 Unknown, 0 Unchecked, 7.83ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.21ms Time] [2021-11-13 01:44:10,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4456 states. [2021-11-13 01:44:10,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4456 to 4456. [2021-11-13 01:44:10,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4456 states, 3021 states have (on average 1.2651439920556107) internal successors, (3822), 3125 states have internal predecessors, (3822), 1073 states have call successors, (1073), 336 states have call predecessors, (1073), 333 states have return successors, (1082), 1047 states have call predecessors, (1082), 1071 states have call successors, (1082) [2021-11-13 01:44:10,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4456 states to 4456 states and 5977 transitions. [2021-11-13 01:44:10,337 INFO L78 Accepts]: Start accepts. Automaton has 4456 states and 5977 transitions. Word has length 95 [2021-11-13 01:44:10,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:10,338 INFO L470 AbstractCegarLoop]: Abstraction has 4456 states and 5977 transitions. [2021-11-13 01:44:10,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 01:44:10,339 INFO L276 IsEmpty]: Start isEmpty. Operand 4456 states and 5977 transitions. [2021-11-13 01:44:10,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-13 01:44:10,341 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:10,341 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:44:10,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:10,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:10,565 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:44:10,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:10,565 INFO L85 PathProgramCache]: Analyzing trace with hash 522274149, now seen corresponding path program 1 times [2021-11-13 01:44:10,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:10,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1930737383] [2021-11-13 01:44:10,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:10,567 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:10,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:10,568 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:10,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-13 01:44:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:12,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:44:12,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:12,686 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:44:12,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:12,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:44:12,973 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:12,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1930737383] [2021-11-13 01:44:12,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1930737383] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:12,974 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:12,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:44:12,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909615285] [2021-11-13 01:44:12,975 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:12,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:44:12,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:12,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:44:12,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:44:12,977 INFO L87 Difference]: Start difference. First operand 4456 states and 5977 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-13 01:44:13,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:13,273 INFO L93 Difference]: Finished difference Result 4456 states and 5977 transitions. [2021-11-13 01:44:13,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:44:13,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 101 [2021-11-13 01:44:13,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:13,292 INFO L225 Difference]: With dead ends: 4456 [2021-11-13 01:44:13,292 INFO L226 Difference]: Without dead ends: 4454 [2021-11-13 01:44:13,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:44:13,296 INFO L933 BasicCegarLoop]: 1670 mSDtfsCounter, 1581 mSDsluCounter, 3336 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1583 SdHoareTripleChecker+Valid, 5006 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.34ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.86ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:13,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1583 Valid, 5006 Invalid, 2 Unknown, 0 Unchecked, 8.34ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 3.86ms Time] [2021-11-13 01:44:13,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4454 states. [2021-11-13 01:44:13,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4454 to 4454. [2021-11-13 01:44:13,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4454 states, 3020 states have (on average 1.2649006622516556) internal successors, (3820), 3123 states have internal predecessors, (3820), 1073 states have call successors, (1073), 336 states have call predecessors, (1073), 333 states have return successors, (1082), 1047 states have call predecessors, (1082), 1071 states have call successors, (1082) [2021-11-13 01:44:13,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 4454 states and 5975 transitions. [2021-11-13 01:44:13,641 INFO L78 Accepts]: Start accepts. Automaton has 4454 states and 5975 transitions. Word has length 101 [2021-11-13 01:44:13,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:13,642 INFO L470 AbstractCegarLoop]: Abstraction has 4454 states and 5975 transitions. [2021-11-13 01:44:13,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-13 01:44:13,642 INFO L276 IsEmpty]: Start isEmpty. Operand 4454 states and 5975 transitions. [2021-11-13 01:44:13,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-13 01:44:13,644 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:13,644 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:44:13,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:13,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:13,861 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:44:13,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:13,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1633142191, now seen corresponding path program 1 times [2021-11-13 01:44:13,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:13,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191404204] [2021-11-13 01:44:13,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:13,863 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:13,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:13,863 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:13,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-13 01:44:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:15,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:44:15,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:16,027 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:44:16,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:16,358 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:44:16,359 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:16,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191404204] [2021-11-13 01:44:16,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191404204] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:16,359 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:16,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:44:16,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191205581] [2021-11-13 01:44:16,360 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:16,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:44:16,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:16,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:44:16,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:44:16,362 INFO L87 Difference]: Start difference. First operand 4454 states and 5975 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-13 01:44:16,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:16,630 INFO L93 Difference]: Finished difference Result 4454 states and 5975 transitions. [2021-11-13 01:44:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:44:16,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 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 107 [2021-11-13 01:44:16,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:16,648 INFO L225 Difference]: With dead ends: 4454 [2021-11-13 01:44:16,648 INFO L226 Difference]: Without dead ends: 4452 [2021-11-13 01:44:16,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:44:16,652 INFO L933 BasicCegarLoop]: 1668 mSDtfsCounter, 1576 mSDsluCounter, 1666 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1578 SdHoareTripleChecker+Valid, 3334 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.21ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.90ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:16,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1578 Valid, 3334 Invalid, 2 Unknown, 0 Unchecked, 6.21ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 3.90ms Time] [2021-11-13 01:44:16,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4452 states. [2021-11-13 01:44:17,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4452 to 4452. [2021-11-13 01:44:17,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4452 states, 3019 states have (on average 1.2646571712487578) internal successors, (3818), 3121 states have internal predecessors, (3818), 1073 states have call successors, (1073), 336 states have call predecessors, (1073), 333 states have return successors, (1082), 1047 states have call predecessors, (1082), 1071 states have call successors, (1082) [2021-11-13 01:44:17,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4452 states to 4452 states and 5973 transitions. [2021-11-13 01:44:17,074 INFO L78 Accepts]: Start accepts. Automaton has 4452 states and 5973 transitions. Word has length 107 [2021-11-13 01:44:17,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:17,077 INFO L470 AbstractCegarLoop]: Abstraction has 4452 states and 5973 transitions. [2021-11-13 01:44:17,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-13 01:44:17,078 INFO L276 IsEmpty]: Start isEmpty. Operand 4452 states and 5973 transitions. [2021-11-13 01:44:17,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-13 01:44:17,080 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:17,081 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:44:17,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:17,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:17,305 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:44:17,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:17,305 INFO L85 PathProgramCache]: Analyzing trace with hash 744361779, now seen corresponding path program 1 times [2021-11-13 01:44:17,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:17,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1378756340] [2021-11-13 01:44:17,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:17,308 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:17,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:17,309 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:17,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-13 01:44:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:19,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 1264 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 01:44:19,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:20,552 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-11-13 01:44:20,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:22,541 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 12 proven. 72 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2021-11-13 01:44:22,541 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:22,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1378756340] [2021-11-13 01:44:22,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1378756340] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 01:44:22,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 01:44:22,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10] total 20 [2021-11-13 01:44:22,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118283683] [2021-11-13 01:44:22,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:22,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:44:22,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:22,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:44:22,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-11-13 01:44:22,543 INFO L87 Difference]: Start difference. First operand 4452 states and 5973 transitions. Second operand has 13 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 5 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2021-11-13 01:44:24,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:24,106 INFO L93 Difference]: Finished difference Result 8921 states and 11979 transitions. [2021-11-13 01:44:24,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 01:44:24,107 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 5 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) Word has length 150 [2021-11-13 01:44:24,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:24,124 INFO L225 Difference]: With dead ends: 8921 [2021-11-13 01:44:24,124 INFO L226 Difference]: Without dead ends: 4491 [2021-11-13 01:44:24,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2021-11-13 01:44:24,146 INFO L933 BasicCegarLoop]: 1709 mSDtfsCounter, 212 mSDsluCounter, 13316 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 784.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 15025 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.99ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 871.28ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:24,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [323 Valid, 15025 Invalid, 278 Unknown, 0 Unchecked, 19.99ms Time], IncrementalHoareTripleChecker [8 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 871.28ms Time] [2021-11-13 01:44:24,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4491 states. [2021-11-13 01:44:24,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4491 to 4452. [2021-11-13 01:44:24,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4452 states, 3019 states have (on average 1.2643259357403114) internal successors, (3817), 3120 states have internal predecessors, (3817), 1073 states have call successors, (1073), 336 states have call predecessors, (1073), 333 states have return successors, (1082), 1047 states have call predecessors, (1082), 1071 states have call successors, (1082) [2021-11-13 01:44:24,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4452 states to 4452 states and 5972 transitions. [2021-11-13 01:44:24,562 INFO L78 Accepts]: Start accepts. Automaton has 4452 states and 5972 transitions. Word has length 150 [2021-11-13 01:44:24,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:24,562 INFO L470 AbstractCegarLoop]: Abstraction has 4452 states and 5972 transitions. [2021-11-13 01:44:24,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 5 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2021-11-13 01:44:24,563 INFO L276 IsEmpty]: Start isEmpty. Operand 4452 states and 5972 transitions. [2021-11-13 01:44:24,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-13 01:44:24,565 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:24,565 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:44:24,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:24,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:24,789 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:44:24,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:24,789 INFO L85 PathProgramCache]: Analyzing trace with hash 238501712, now seen corresponding path program 1 times [2021-11-13 01:44:24,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:24,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [689134283] [2021-11-13 01:44:24,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:24,791 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:24,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:24,792 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:24,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-13 01:44:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:26,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 1275 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:44:26,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:27,534 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-13 01:44:27,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:28,026 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-13 01:44:28,027 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:28,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [689134283] [2021-11-13 01:44:28,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [689134283] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:28,027 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:28,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-13 01:44:28,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015734581] [2021-11-13 01:44:28,027 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:28,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:44:28,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:28,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:44:28,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:44:28,028 INFO L87 Difference]: Start difference. First operand 4452 states and 5972 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-13 01:44:29,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:29,424 INFO L93 Difference]: Finished difference Result 8842 states and 12024 transitions. [2021-11-13 01:44:29,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:44:29,425 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), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 154 [2021-11-13 01:44:29,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:29,444 INFO L225 Difference]: With dead ends: 8842 [2021-11-13 01:44:29,444 INFO L226 Difference]: Without dead ends: 4428 [2021-11-13 01:44:29,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:44:29,468 INFO L933 BasicCegarLoop]: 1575 mSDtfsCounter, 2549 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 637 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 809.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2549 SdHoareTripleChecker+Valid, 1575 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.96ms SdHoareTripleChecker+Time, 637 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1027.12ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:29,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2549 Valid, 1575 Invalid, 680 Unknown, 0 Unchecked, 6.96ms Time], IncrementalHoareTripleChecker [637 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 1027.12ms Time] [2021-11-13 01:44:29,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4428 states. [2021-11-13 01:44:29,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4428 to 4428. [2021-11-13 01:44:29,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4428 states, 2995 states have (on average 1.2070116861435727) internal successors, (3615), 3096 states have internal predecessors, (3615), 1073 states have call successors, (1073), 336 states have call predecessors, (1073), 333 states have return successors, (1082), 1047 states have call predecessors, (1082), 1071 states have call successors, (1082) [2021-11-13 01:44:29,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4428 states to 4428 states and 5770 transitions. [2021-11-13 01:44:29,858 INFO L78 Accepts]: Start accepts. Automaton has 4428 states and 5770 transitions. Word has length 154 [2021-11-13 01:44:29,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:29,859 INFO L470 AbstractCegarLoop]: Abstraction has 4428 states and 5770 transitions. [2021-11-13 01:44:29,859 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), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-13 01:44:29,859 INFO L276 IsEmpty]: Start isEmpty. Operand 4428 states and 5770 transitions. [2021-11-13 01:44:29,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-13 01:44:29,861 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:29,862 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:44:29,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:30,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:30,085 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:44:30,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:30,085 INFO L85 PathProgramCache]: Analyzing trace with hash -570844914, now seen corresponding path program 1 times [2021-11-13 01:44:30,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:30,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1595088363] [2021-11-13 01:44:30,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:30,088 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:30,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:30,089 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:30,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-13 01:44:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:32,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 1275 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 01:44:32,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:32,937 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-13 01:44:32,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:33,429 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-13 01:44:33,429 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:33,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1595088363] [2021-11-13 01:44:33,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1595088363] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:33,430 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:33,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-13 01:44:33,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913178140] [2021-11-13 01:44:33,430 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:33,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 01:44:33,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:33,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 01:44:33,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:44:33,432 INFO L87 Difference]: Start difference. First operand 4428 states and 5770 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (31), 4 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 01:44:33,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:33,782 INFO L93 Difference]: Finished difference Result 4569 states and 5899 transitions. [2021-11-13 01:44:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:44:33,783 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (31), 4 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 154 [2021-11-13 01:44:33,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:33,802 INFO L225 Difference]: With dead ends: 4569 [2021-11-13 01:44:33,803 INFO L226 Difference]: Without dead ends: 4567 [2021-11-13 01:44:33,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:44:33,807 INFO L933 BasicCegarLoop]: 1634 mSDtfsCounter, 1494 mSDsluCounter, 6638 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1496 SdHoareTripleChecker+Valid, 8272 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.02ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.99ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:33,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1496 Valid, 8272 Invalid, 19 Unknown, 0 Unchecked, 10.02ms Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 32.99ms Time] [2021-11-13 01:44:33,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4567 states. [2021-11-13 01:44:34,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4567 to 4559. [2021-11-13 01:44:34,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4559 states, 3089 states have (on average 1.2065393331175138) internal successors, (3727), 3190 states have internal predecessors, (3727), 1077 states have call successors, (1077), 369 states have call predecessors, (1077), 366 states have return successors, (1086), 1051 states have call predecessors, (1086), 1075 states have call successors, (1086) [2021-11-13 01:44:34,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4559 states to 4559 states and 5890 transitions. [2021-11-13 01:44:34,360 INFO L78 Accepts]: Start accepts. Automaton has 4559 states and 5890 transitions. Word has length 154 [2021-11-13 01:44:34,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:34,361 INFO L470 AbstractCegarLoop]: Abstraction has 4559 states and 5890 transitions. [2021-11-13 01:44:34,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (31), 4 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 01:44:34,361 INFO L276 IsEmpty]: Start isEmpty. Operand 4559 states and 5890 transitions. [2021-11-13 01:44:34,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-13 01:44:34,364 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:34,364 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:44:34,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:34,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:34,585 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:44:34,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:34,585 INFO L85 PathProgramCache]: Analyzing trace with hash -121915019, now seen corresponding path program 1 times [2021-11-13 01:44:34,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:34,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [382964235] [2021-11-13 01:44:34,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:34,587 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:34,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:34,588 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:34,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-13 01:44:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:36,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:44:36,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:37,066 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:44:37,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:37,398 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:44:37,398 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:37,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [382964235] [2021-11-13 01:44:37,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [382964235] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:37,399 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:37,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:44:37,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002074831] [2021-11-13 01:44:37,400 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:37,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:44:37,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:37,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:44:37,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:44:37,402 INFO L87 Difference]: Start difference. First operand 4559 states and 5890 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-13 01:44:37,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:37,725 INFO L93 Difference]: Finished difference Result 4559 states and 5890 transitions. [2021-11-13 01:44:37,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:44:37,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 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 113 [2021-11-13 01:44:37,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:37,741 INFO L225 Difference]: With dead ends: 4559 [2021-11-13 01:44:37,741 INFO L226 Difference]: Without dead ends: 4557 [2021-11-13 01:44:37,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:44:37,744 INFO L933 BasicCegarLoop]: 1614 mSDtfsCounter, 1513 mSDsluCounter, 3224 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 4838 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.35ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.04ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:37,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1515 Valid, 4838 Invalid, 2 Unknown, 0 Unchecked, 7.35ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.04ms Time] [2021-11-13 01:44:37,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4557 states. [2021-11-13 01:44:38,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4557 to 4557. [2021-11-13 01:44:38,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4557 states, 3088 states have (on average 1.2062823834196892) internal successors, (3725), 3188 states have internal predecessors, (3725), 1077 states have call successors, (1077), 369 states have call predecessors, (1077), 366 states have return successors, (1086), 1051 states have call predecessors, (1086), 1075 states have call successors, (1086) [2021-11-13 01:44:38,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4557 states to 4557 states and 5888 transitions. [2021-11-13 01:44:38,183 INFO L78 Accepts]: Start accepts. Automaton has 4557 states and 5888 transitions. Word has length 113 [2021-11-13 01:44:38,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:38,184 INFO L470 AbstractCegarLoop]: Abstraction has 4557 states and 5888 transitions. [2021-11-13 01:44:38,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-13 01:44:38,185 INFO L276 IsEmpty]: Start isEmpty. Operand 4557 states and 5888 transitions. [2021-11-13 01:44:38,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-13 01:44:38,188 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:38,188 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:44:38,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:38,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:38,401 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:44:38,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:38,401 INFO L85 PathProgramCache]: Analyzing trace with hash -564773279, now seen corresponding path program 1 times [2021-11-13 01:44:38,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:38,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [439728857] [2021-11-13 01:44:38,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:38,403 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:38,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:38,404 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:38,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-13 01:44:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:40,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 1290 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 01:44:40,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:41,210 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-13 01:44:41,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:41,822 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-13 01:44:41,822 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:41,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [439728857] [2021-11-13 01:44:41,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [439728857] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:41,823 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:41,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 7 [2021-11-13 01:44:41,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577448329] [2021-11-13 01:44:41,823 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:41,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 01:44:41,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:41,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 01:44:41,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:44:41,825 INFO L87 Difference]: Start difference. First operand 4557 states and 5888 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-13 01:44:44,031 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 01:44:46,040 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 [] [2021-11-13 01:44:50,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:50,057 INFO L93 Difference]: Finished difference Result 9076 states and 11788 transitions. [2021-11-13 01:44:50,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:44:50,057 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) Word has length 159 [2021-11-13 01:44:50,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:50,078 INFO L225 Difference]: With dead ends: 9076 [2021-11-13 01:44:50,078 INFO L226 Difference]: Without dead ends: 4557 [2021-11-13 01:44:50,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-13 01:44:50,108 INFO L933 BasicCegarLoop]: 1612 mSDtfsCounter, 1560 mSDsluCounter, 5215 mSDsCounter, 0 mSdLazyCounter, 1225 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7350.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1563 SdHoareTripleChecker+Valid, 6827 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.60ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1225 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7754.36ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:50,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1563 Valid, 6827 Invalid, 1228 Unknown, 0 Unchecked, 21.60ms Time], IncrementalHoareTripleChecker [1 Valid, 1225 Invalid, 2 Unknown, 0 Unchecked, 7754.36ms Time] [2021-11-13 01:44:50,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4557 states. [2021-11-13 01:44:50,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4557 to 4557. [2021-11-13 01:44:50,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4557 states, 3088 states have (on average 1.2049870466321244) internal successors, (3721), 3188 states have internal predecessors, (3721), 1077 states have call successors, (1077), 369 states have call predecessors, (1077), 366 states have return successors, (1086), 1051 states have call predecessors, (1086), 1075 states have call successors, (1086) [2021-11-13 01:44:50,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4557 states to 4557 states and 5884 transitions. [2021-11-13 01:44:50,660 INFO L78 Accepts]: Start accepts. Automaton has 4557 states and 5884 transitions. Word has length 159 [2021-11-13 01:44:50,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:50,662 INFO L470 AbstractCegarLoop]: Abstraction has 4557 states and 5884 transitions. [2021-11-13 01:44:50,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-13 01:44:50,662 INFO L276 IsEmpty]: Start isEmpty. Operand 4557 states and 5884 transitions. [2021-11-13 01:44:50,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-13 01:44:50,665 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:50,666 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:44:50,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:50,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:50,881 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:44:50,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:50,881 INFO L85 PathProgramCache]: Analyzing trace with hash -564713697, now seen corresponding path program 1 times [2021-11-13 01:44:50,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:50,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1000073085] [2021-11-13 01:44:50,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:50,885 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:50,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:50,886 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:50,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-13 01:44:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:53,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 1290 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:44:53,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:53,398 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-13 01:44:53,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:53,768 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-13 01:44:53,769 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:53,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1000073085] [2021-11-13 01:44:53,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1000073085] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:53,769 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:53,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-13 01:44:53,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985774736] [2021-11-13 01:44:53,770 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:53,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:44:53,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:53,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:44:53,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:44:53,771 INFO L87 Difference]: Start difference. First operand 4557 states and 5884 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-13 01:44:54,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:54,191 INFO L93 Difference]: Finished difference Result 4557 states and 5884 transitions. [2021-11-13 01:44:54,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:44:54,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 159 [2021-11-13 01:44:54,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:54,202 INFO L225 Difference]: With dead ends: 4557 [2021-11-13 01:44:54,202 INFO L226 Difference]: Without dead ends: 4555 [2021-11-13 01:44:54,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:44:54,205 INFO L933 BasicCegarLoop]: 1611 mSDtfsCounter, 34 mSDsluCounter, 4799 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 6410 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.43ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.41ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:54,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 6410 Invalid, 4 Unknown, 0 Unchecked, 7.43ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 11.41ms Time] [2021-11-13 01:44:54,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4555 states. [2021-11-13 01:44:54,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4555 to 4555. [2021-11-13 01:44:54,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4555 states, 3087 states have (on average 1.2037576935536118) internal successors, (3716), 3186 states have internal predecessors, (3716), 1077 states have call successors, (1077), 369 states have call predecessors, (1077), 366 states have return successors, (1086), 1051 states have call predecessors, (1086), 1075 states have call successors, (1086) [2021-11-13 01:44:54,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4555 states to 4555 states and 5879 transitions. [2021-11-13 01:44:54,619 INFO L78 Accepts]: Start accepts. Automaton has 4555 states and 5879 transitions. Word has length 159 [2021-11-13 01:44:54,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:54,620 INFO L470 AbstractCegarLoop]: Abstraction has 4555 states and 5879 transitions. [2021-11-13 01:44:54,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-13 01:44:54,620 INFO L276 IsEmpty]: Start isEmpty. Operand 4555 states and 5879 transitions. [2021-11-13 01:44:54,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 01:44:54,622 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:54,622 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:44:54,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:54,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:54,842 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:44:54,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:54,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1976393135, now seen corresponding path program 1 times [2021-11-13 01:44:54,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:54,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840721993] [2021-11-13 01:44:54,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:54,845 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:54,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:54,846 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:54,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-13 01:44:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:56,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 1081 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:44:56,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:57,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:44:57,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:44:57,399 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:57,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840721993] [2021-11-13 01:44:57,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840721993] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:57,399 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:57,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:44:57,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865608829] [2021-11-13 01:44:57,400 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:57,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:44:57,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:57,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:44:57,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:44:57,401 INFO L87 Difference]: Start difference. First operand 4555 states and 5879 transitions. Second operand has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 01:44:57,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:57,687 INFO L93 Difference]: Finished difference Result 4555 states and 5879 transitions. [2021-11-13 01:44:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:44:57,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 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 119 [2021-11-13 01:44:57,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:57,738 INFO L225 Difference]: With dead ends: 4555 [2021-11-13 01:44:57,738 INFO L226 Difference]: Without dead ends: 4553 [2021-11-13 01:44:57,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:44:57,741 INFO L933 BasicCegarLoop]: 1609 mSDtfsCounter, 1502 mSDsluCounter, 3214 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 4823 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.49ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.93ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:57,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1504 Valid, 4823 Invalid, 2 Unknown, 0 Unchecked, 6.49ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 3.93ms Time] [2021-11-13 01:44:57,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4553 states. [2021-11-13 01:44:58,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4553 to 4553. [2021-11-13 01:44:58,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4553 states, 3086 states have (on average 1.20349967595593) internal successors, (3714), 3184 states have internal predecessors, (3714), 1077 states have call successors, (1077), 369 states have call predecessors, (1077), 366 states have return successors, (1086), 1051 states have call predecessors, (1086), 1075 states have call successors, (1086) [2021-11-13 01:44:58,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4553 states to 4553 states and 5877 transitions. [2021-11-13 01:44:58,117 INFO L78 Accepts]: Start accepts. Automaton has 4553 states and 5877 transitions. Word has length 119 [2021-11-13 01:44:58,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:58,117 INFO L470 AbstractCegarLoop]: Abstraction has 4553 states and 5877 transitions. [2021-11-13 01:44:58,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 01:44:58,117 INFO L276 IsEmpty]: Start isEmpty. Operand 4553 states and 5877 transitions. [2021-11-13 01:44:58,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-13 01:44:58,119 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:58,119 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:44:58,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Ended with exit code 0 [2021-11-13 01:44:58,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:58,341 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:44:58,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:58,341 INFO L85 PathProgramCache]: Analyzing trace with hash 163748901, now seen corresponding path program 1 times [2021-11-13 01:44:58,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:58,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548186215] [2021-11-13 01:44:58,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:58,343 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:58,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:58,344 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:58,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-13 01:45:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:00,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 1297 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:45:00,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:45:01,138 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-13 01:45:01,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:45:01,560 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-13 01:45:01,560 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:45:01,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548186215] [2021-11-13 01:45:01,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548186215] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:01,560 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:01,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-13 01:45:01,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543016873] [2021-11-13 01:45:01,561 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:01,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:45:01,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:45:01,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:45:01,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:45:01,562 INFO L87 Difference]: Start difference. First operand 4553 states and 5877 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-13 01:45:01,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:01,904 INFO L93 Difference]: Finished difference Result 9058 states and 11753 transitions. [2021-11-13 01:45:01,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:45:01,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 163 [2021-11-13 01:45:01,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:01,916 INFO L225 Difference]: With dead ends: 9058 [2021-11-13 01:45:01,916 INFO L226 Difference]: Without dead ends: 4543 [2021-11-13 01:45:01,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:45:01,938 INFO L933 BasicCegarLoop]: 1605 mSDtfsCounter, 1546 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1546 SdHoareTripleChecker+Valid, 1605 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.42ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.26ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:01,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1546 Valid, 1605 Invalid, 19 Unknown, 0 Unchecked, 2.42ms Time], IncrementalHoareTripleChecker [18 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 19.26ms Time] [2021-11-13 01:45:01,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4543 states. [2021-11-13 01:45:02,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4543 to 4543. [2021-11-13 01:45:02,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4543 states, 3077 states have (on average 1.2014949626259344) internal successors, (3697), 3174 states have internal predecessors, (3697), 1077 states have call successors, (1077), 369 states have call predecessors, (1077), 366 states have return successors, (1086), 1051 states have call predecessors, (1086), 1075 states have call successors, (1086) [2021-11-13 01:45:02,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4543 states to 4543 states and 5860 transitions. [2021-11-13 01:45:02,360 INFO L78 Accepts]: Start accepts. Automaton has 4543 states and 5860 transitions. Word has length 163 [2021-11-13 01:45:02,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:02,360 INFO L470 AbstractCegarLoop]: Abstraction has 4543 states and 5860 transitions. [2021-11-13 01:45:02,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-13 01:45:02,360 INFO L276 IsEmpty]: Start isEmpty. Operand 4543 states and 5860 transitions. [2021-11-13 01:45:02,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-13 01:45:02,361 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:02,361 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:45:02,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-13 01:45:02,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:45:02,562 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:45:02,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:02,562 INFO L85 PathProgramCache]: Analyzing trace with hash -697555881, now seen corresponding path program 1 times [2021-11-13 01:45:02,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:45:02,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [79124178] [2021-11-13 01:45:02,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:02,564 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:45:02,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:45:02,565 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:45:02,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-13 01:45:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:04,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:45:04,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:45:04,850 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:45:04,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:45:05,185 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:45:05,186 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:45:05,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [79124178] [2021-11-13 01:45:05,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [79124178] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:05,186 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:05,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:45:05,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492722062] [2021-11-13 01:45:05,187 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:05,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:45:05,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:45:05,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:45:05,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:45:05,189 INFO L87 Difference]: Start difference. First operand 4543 states and 5860 transitions. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-13 01:45:05,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:05,510 INFO L93 Difference]: Finished difference Result 4543 states and 5860 transitions. [2021-11-13 01:45:05,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:45:05,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 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 125 [2021-11-13 01:45:05,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:05,521 INFO L225 Difference]: With dead ends: 4543 [2021-11-13 01:45:05,522 INFO L226 Difference]: Without dead ends: 4541 [2021-11-13 01:45:05,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:45:05,524 INFO L933 BasicCegarLoop]: 1602 mSDtfsCounter, 1489 mSDsluCounter, 3200 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1491 SdHoareTripleChecker+Valid, 4802 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.87ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.07ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:05,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1491 Valid, 4802 Invalid, 2 Unknown, 0 Unchecked, 6.87ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.07ms Time] [2021-11-13 01:45:05,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4541 states. [2021-11-13 01:45:05,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4541 to 4541. [2021-11-13 01:45:05,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4541 states, 3076 states have (on average 1.2012353706111834) internal successors, (3695), 3172 states have internal predecessors, (3695), 1077 states have call successors, (1077), 369 states have call predecessors, (1077), 366 states have return successors, (1086), 1051 states have call predecessors, (1086), 1075 states have call successors, (1086) [2021-11-13 01:45:05,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4541 states to 4541 states and 5858 transitions. [2021-11-13 01:45:05,908 INFO L78 Accepts]: Start accepts. Automaton has 4541 states and 5858 transitions. Word has length 125 [2021-11-13 01:45:05,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:05,909 INFO L470 AbstractCegarLoop]: Abstraction has 4541 states and 5858 transitions. [2021-11-13 01:45:05,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-13 01:45:05,909 INFO L276 IsEmpty]: Start isEmpty. Operand 4541 states and 5858 transitions. [2021-11-13 01:45:05,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-13 01:45:05,911 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:05,911 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:45:05,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-13 01:45:06,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:45:06,125 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:45:06,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:06,125 INFO L85 PathProgramCache]: Analyzing trace with hash 39995408, now seen corresponding path program 1 times [2021-11-13 01:45:06,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:45:06,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450446450] [2021-11-13 01:45:06,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:06,127 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:45:06,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:45:06,127 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:45:06,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-13 01:45:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:08,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 01:45:08,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:45:08,370 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-13 01:45:08,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:45:08,833 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-13 01:45:08,833 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:45:08,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450446450] [2021-11-13 01:45:08,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450446450] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:08,833 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:08,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-13 01:45:08,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173911532] [2021-11-13 01:45:08,834 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:08,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 01:45:08,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:45:08,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 01:45:08,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-13 01:45:08,835 INFO L87 Difference]: Start difference. First operand 4541 states and 5858 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-13 01:45:10,955 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 01:45:12,970 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 [] [2021-11-13 01:45:13,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:13,424 INFO L93 Difference]: Finished difference Result 4549 states and 5862 transitions. [2021-11-13 01:45:13,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:45:13,424 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 1 states have call successors, (17) Word has length 168 [2021-11-13 01:45:13,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:13,434 INFO L225 Difference]: With dead ends: 4549 [2021-11-13 01:45:13,435 INFO L226 Difference]: Without dead ends: 4547 [2021-11-13 01:45:13,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:45:13,437 INFO L933 BasicCegarLoop]: 1629 mSDtfsCounter, 104 mSDsluCounter, 7958 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4146.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 9587 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.84ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4160.94ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:13,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 9587 Invalid, 18 Unknown, 0 Unchecked, 8.84ms Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 2 Unknown, 0 Unchecked, 4160.94ms Time] [2021-11-13 01:45:13,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4547 states. [2021-11-13 01:45:13,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4547 to 4541. [2021-11-13 01:45:13,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4541 states, 3076 states have (on average 1.1999349804941482) internal successors, (3691), 3172 states have internal predecessors, (3691), 1077 states have call successors, (1077), 369 states have call predecessors, (1077), 366 states have return successors, (1086), 1051 states have call predecessors, (1086), 1075 states have call successors, (1086) [2021-11-13 01:45:13,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4541 states to 4541 states and 5854 transitions. [2021-11-13 01:45:13,770 INFO L78 Accepts]: Start accepts. Automaton has 4541 states and 5854 transitions. Word has length 168 [2021-11-13 01:45:13,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:13,770 INFO L470 AbstractCegarLoop]: Abstraction has 4541 states and 5854 transitions. [2021-11-13 01:45:13,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-13 01:45:13,771 INFO L276 IsEmpty]: Start isEmpty. Operand 4541 states and 5854 transitions. [2021-11-13 01:45:13,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-13 01:45:13,772 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:13,772 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:45:13,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-13 01:45:13,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:45:13,989 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:45:13,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:13,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1526028587, now seen corresponding path program 1 times [2021-11-13 01:45:13,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:45:13,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301851275] [2021-11-13 01:45:13,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:13,992 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:45:13,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:45:13,993 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:45:14,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-13 01:45:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:15,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:45:15,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:45:16,431 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:45:16,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:45:17,032 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:45:17,032 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:45:17,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [301851275] [2021-11-13 01:45:17,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [301851275] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:17,033 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:17,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-13 01:45:17,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013039496] [2021-11-13 01:45:17,034 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:17,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:45:17,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:45:17,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:45:17,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:45:17,035 INFO L87 Difference]: Start difference. First operand 4541 states and 5854 transitions. Second operand has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 6 states have internal predecessors, (167), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-11-13 01:45:17,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:17,697 INFO L93 Difference]: Finished difference Result 6817 states and 8702 transitions. [2021-11-13 01:45:17,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 01:45:17,698 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 6 states have internal predecessors, (167), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 131 [2021-11-13 01:45:17,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:17,714 INFO L225 Difference]: With dead ends: 6817 [2021-11-13 01:45:17,714 INFO L226 Difference]: Without dead ends: 6815 [2021-11-13 01:45:17,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-13 01:45:17,717 INFO L933 BasicCegarLoop]: 1969 mSDtfsCounter, 1535 mSDsluCounter, 4999 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 119.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 6968 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.40ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 136.16ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:17,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1537 Valid, 6968 Invalid, 79 Unknown, 0 Unchecked, 8.40ms Time], IncrementalHoareTripleChecker [25 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 136.16ms Time] [2021-11-13 01:45:17,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6815 states. [2021-11-13 01:45:18,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6815 to 6676. [2021-11-13 01:45:18,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6676 states, 4541 states have (on average 1.1968729354767673) internal successors, (5435), 4674 states have internal predecessors, (5435), 1556 states have call successors, (1556), 561 states have call predecessors, (1556), 557 states have return successors, (1574), 1516 states have call predecessors, (1574), 1554 states have call successors, (1574) [2021-11-13 01:45:18,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6676 states to 6676 states and 8565 transitions. [2021-11-13 01:45:18,293 INFO L78 Accepts]: Start accepts. Automaton has 6676 states and 8565 transitions. Word has length 131 [2021-11-13 01:45:18,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:18,293 INFO L470 AbstractCegarLoop]: Abstraction has 6676 states and 8565 transitions. [2021-11-13 01:45:18,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 6 states have internal predecessors, (167), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-11-13 01:45:18,293 INFO L276 IsEmpty]: Start isEmpty. Operand 6676 states and 8565 transitions. [2021-11-13 01:45:18,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 01:45:18,294 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:18,295 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:45:18,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-13 01:45:18,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:45:18,495 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:45:18,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:18,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1208125452, now seen corresponding path program 1 times [2021-11-13 01:45:18,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:45:18,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606795410] [2021-11-13 01:45:18,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:18,497 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:45:18,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:45:18,498 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:45:18,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-13 01:45:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:20,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:45:20,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:45:20,803 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:45:20,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:45:21,150 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:45:21,150 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:45:21,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606795410] [2021-11-13 01:45:21,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [606795410] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:21,151 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:21,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:45:21,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877742546] [2021-11-13 01:45:21,151 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:21,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:45:21,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:45:21,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:45:21,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:45:21,153 INFO L87 Difference]: Start difference. First operand 6676 states and 8565 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 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) [2021-11-13 01:45:21,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:21,700 INFO L93 Difference]: Finished difference Result 6676 states and 8565 transitions. [2021-11-13 01:45:21,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:45:21,700 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 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 137 [2021-11-13 01:45:21,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:21,721 INFO L225 Difference]: With dead ends: 6676 [2021-11-13 01:45:21,721 INFO L226 Difference]: Without dead ends: 6674 [2021-11-13 01:45:21,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 268 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:45:21,726 INFO L933 BasicCegarLoop]: 1600 mSDtfsCounter, 1475 mSDsluCounter, 3196 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1477 SdHoareTripleChecker+Valid, 4796 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.81ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.02ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:21,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1477 Valid, 4796 Invalid, 2 Unknown, 0 Unchecked, 6.81ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.02ms Time] [2021-11-13 01:45:21,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2021-11-13 01:45:22,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 6674. [2021-11-13 01:45:22,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6674 states, 4540 states have (on average 1.1964757709251101) internal successors, (5432), 4672 states have internal predecessors, (5432), 1556 states have call successors, (1556), 561 states have call predecessors, (1556), 557 states have return successors, (1574), 1516 states have call predecessors, (1574), 1554 states have call successors, (1574) [2021-11-13 01:45:22,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6674 states to 6674 states and 8562 transitions. [2021-11-13 01:45:22,289 INFO L78 Accepts]: Start accepts. Automaton has 6674 states and 8562 transitions. Word has length 137 [2021-11-13 01:45:22,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:22,290 INFO L470 AbstractCegarLoop]: Abstraction has 6674 states and 8562 transitions. [2021-11-13 01:45:22,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 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) [2021-11-13 01:45:22,290 INFO L276 IsEmpty]: Start isEmpty. Operand 6674 states and 8562 transitions. [2021-11-13 01:45:22,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-13 01:45:22,292 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:22,292 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:45:22,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-13 01:45:22,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:45:22,509 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:45:22,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:22,509 INFO L85 PathProgramCache]: Analyzing trace with hash 787452402, now seen corresponding path program 1 times [2021-11-13 01:45:22,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:45:22,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876999163] [2021-11-13 01:45:22,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:22,512 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:45:22,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:45:22,513 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:45:22,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-13 01:45:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:24,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 1117 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:45:24,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:45:24,881 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:45:24,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:45:25,257 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:45:25,258 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:45:25,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876999163] [2021-11-13 01:45:25,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [876999163] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:25,258 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:25,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:45:25,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732792167] [2021-11-13 01:45:25,259 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:25,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:45:25,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:45:25,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:45:25,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:45:25,261 INFO L87 Difference]: Start difference. First operand 6674 states and 8562 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-13 01:45:25,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:25,767 INFO L93 Difference]: Finished difference Result 6674 states and 8562 transitions. [2021-11-13 01:45:25,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:45:25,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 143 [2021-11-13 01:45:25,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:25,784 INFO L225 Difference]: With dead ends: 6674 [2021-11-13 01:45:25,785 INFO L226 Difference]: Without dead ends: 6672 [2021-11-13 01:45:25,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:45:25,788 INFO L933 BasicCegarLoop]: 1598 mSDtfsCounter, 1467 mSDsluCounter, 3192 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1469 SdHoareTripleChecker+Valid, 4790 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.52ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.63ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:25,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1469 Valid, 4790 Invalid, 2 Unknown, 0 Unchecked, 5.52ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.63ms Time] [2021-11-13 01:45:25,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6672 states. [2021-11-13 01:45:26,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6672 to 6672. [2021-11-13 01:45:26,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6672 states, 4539 states have (on average 1.196078431372549) internal successors, (5429), 4670 states have internal predecessors, (5429), 1556 states have call successors, (1556), 561 states have call predecessors, (1556), 557 states have return successors, (1574), 1516 states have call predecessors, (1574), 1554 states have call successors, (1574) [2021-11-13 01:45:26,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6672 states to 6672 states and 8559 transitions. [2021-11-13 01:45:26,343 INFO L78 Accepts]: Start accepts. Automaton has 6672 states and 8559 transitions. Word has length 143 [2021-11-13 01:45:26,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:26,344 INFO L470 AbstractCegarLoop]: Abstraction has 6672 states and 8559 transitions. [2021-11-13 01:45:26,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-13 01:45:26,344 INFO L276 IsEmpty]: Start isEmpty. Operand 6672 states and 8559 transitions. [2021-11-13 01:45:26,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 01:45:26,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:26,347 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:45:26,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Ended with exit code 0 [2021-11-13 01:45:26,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:45:26,569 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:45:26,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:26,569 INFO L85 PathProgramCache]: Analyzing trace with hash 564988148, now seen corresponding path program 1 times [2021-11-13 01:45:26,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:45:26,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1462546559] [2021-11-13 01:45:26,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:26,571 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:45:26,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:45:26,572 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:45:26,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-13 01:45:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:28,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 1126 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:45:28,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:45:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:45:29,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:45:29,415 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:45:29,415 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:45:29,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1462546559] [2021-11-13 01:45:29,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1462546559] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:29,415 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:29,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:45:29,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881365301] [2021-11-13 01:45:29,416 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:29,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:45:29,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:45:29,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:45:29,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:45:29,417 INFO L87 Difference]: Start difference. First operand 6672 states and 8559 transitions. Second operand has 5 states, 5 states have (on average 35.2) internal successors, (176), 5 states have internal predecessors, (176), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-13 01:45:30,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:30,092 INFO L93 Difference]: Finished difference Result 6672 states and 8559 transitions. [2021-11-13 01:45:30,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:45:30,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 5 states have internal predecessors, (176), 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 149 [2021-11-13 01:45:30,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:30,110 INFO L225 Difference]: With dead ends: 6672 [2021-11-13 01:45:30,110 INFO L226 Difference]: Without dead ends: 6670 [2021-11-13 01:45:30,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:45:30,114 INFO L933 BasicCegarLoop]: 1596 mSDtfsCounter, 1459 mSDsluCounter, 3188 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1461 SdHoareTripleChecker+Valid, 4784 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.37ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.24ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:30,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1461 Valid, 4784 Invalid, 2 Unknown, 0 Unchecked, 6.37ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.24ms Time] [2021-11-13 01:45:30,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6670 states. [2021-11-13 01:45:30,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6670 to 6670. [2021-11-13 01:45:30,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6670 states, 4538 states have (on average 1.1956809167033935) internal successors, (5426), 4668 states have internal predecessors, (5426), 1556 states have call successors, (1556), 561 states have call predecessors, (1556), 557 states have return successors, (1574), 1516 states have call predecessors, (1574), 1554 states have call successors, (1574) [2021-11-13 01:45:30,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6670 states to 6670 states and 8556 transitions. [2021-11-13 01:45:30,783 INFO L78 Accepts]: Start accepts. Automaton has 6670 states and 8556 transitions. Word has length 149 [2021-11-13 01:45:30,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:30,784 INFO L470 AbstractCegarLoop]: Abstraction has 6670 states and 8556 transitions. [2021-11-13 01:45:30,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 5 states have internal predecessors, (176), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-13 01:45:30,784 INFO L276 IsEmpty]: Start isEmpty. Operand 6670 states and 8556 transitions. [2021-11-13 01:45:30,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-13 01:45:30,785 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:30,786 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:45:30,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-13 01:45:30,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:45:30,987 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:45:30,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:30,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1512259948, now seen corresponding path program 1 times [2021-11-13 01:45:30,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:45:30,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1312384814] [2021-11-13 01:45:30,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:30,989 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:45:30,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:45:30,990 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:45:30,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-13 01:45:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:32,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 1135 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:45:32,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:45:33,697 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:45:33,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:45:34,122 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:45:34,122 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:45:34,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1312384814] [2021-11-13 01:45:34,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1312384814] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:34,123 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:34,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:45:34,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81091246] [2021-11-13 01:45:34,123 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:34,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:45:34,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:45:34,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:45:34,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:45:34,125 INFO L87 Difference]: Start difference. First operand 6670 states and 8556 transitions. Second operand has 5 states, 5 states have (on average 36.8) internal successors, (184), 5 states have internal predecessors, (184), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-13 01:45:34,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:34,637 INFO L93 Difference]: Finished difference Result 6670 states and 8556 transitions. [2021-11-13 01:45:34,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:45:34,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.8) internal successors, (184), 5 states have internal predecessors, (184), 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 155 [2021-11-13 01:45:34,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:34,653 INFO L225 Difference]: With dead ends: 6670 [2021-11-13 01:45:34,653 INFO L226 Difference]: Without dead ends: 6668 [2021-11-13 01:45:34,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:45:34,657 INFO L933 BasicCegarLoop]: 1594 mSDtfsCounter, 1451 mSDsluCounter, 3184 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1453 SdHoareTripleChecker+Valid, 4778 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.97ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.01ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:34,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1453 Valid, 4778 Invalid, 2 Unknown, 0 Unchecked, 5.97ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.01ms Time] [2021-11-13 01:45:34,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6668 states. [2021-11-13 01:45:35,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6668 to 6668. [2021-11-13 01:45:35,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6668 states, 4537 states have (on average 1.1952832268018514) internal successors, (5423), 4666 states have internal predecessors, (5423), 1556 states have call successors, (1556), 561 states have call predecessors, (1556), 557 states have return successors, (1574), 1516 states have call predecessors, (1574), 1554 states have call successors, (1574) [2021-11-13 01:45:35,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6668 states to 6668 states and 8553 transitions. [2021-11-13 01:45:35,271 INFO L78 Accepts]: Start accepts. Automaton has 6668 states and 8553 transitions. Word has length 155 [2021-11-13 01:45:35,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:35,271 INFO L470 AbstractCegarLoop]: Abstraction has 6668 states and 8553 transitions. [2021-11-13 01:45:35,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.8) internal successors, (184), 5 states have internal predecessors, (184), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-13 01:45:35,271 INFO L276 IsEmpty]: Start isEmpty. Operand 6668 states and 8553 transitions. [2021-11-13 01:45:35,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-13 01:45:35,278 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:35,278 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:45:35,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-13 01:45:35,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:45:35,499 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:45:35,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:35,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1820945912, now seen corresponding path program 1 times [2021-11-13 01:45:35,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:45:35,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1210693676] [2021-11-13 01:45:35,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:35,501 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:45:35,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:45:35,506 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:45:35,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-13 01:45:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:37,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:45:37,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:45:38,112 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:45:38,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:45:38,542 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:45:38,542 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:45:38,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1210693676] [2021-11-13 01:45:38,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1210693676] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:38,543 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:38,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:45:38,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641346715] [2021-11-13 01:45:38,543 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:38,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:45:38,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:45:38,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:45:38,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:45:38,544 INFO L87 Difference]: Start difference. First operand 6668 states and 8553 transitions. Second operand has 5 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-13 01:45:39,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:39,107 INFO L93 Difference]: Finished difference Result 6668 states and 8553 transitions. [2021-11-13 01:45:39,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:45:39,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 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 161 [2021-11-13 01:45:39,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:39,124 INFO L225 Difference]: With dead ends: 6668 [2021-11-13 01:45:39,124 INFO L226 Difference]: Without dead ends: 6666 [2021-11-13 01:45:39,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:45:39,128 INFO L933 BasicCegarLoop]: 1592 mSDtfsCounter, 1446 mSDsluCounter, 1590 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 3182 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.71ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.15ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:39,129 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1448 Valid, 3182 Invalid, 2 Unknown, 0 Unchecked, 4.71ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.15ms Time] [2021-11-13 01:45:39,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6666 states. [2021-11-13 01:45:39,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6666 to 6666. [2021-11-13 01:45:39,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6666 states, 4536 states have (on average 1.1948853615520283) internal successors, (5420), 4664 states have internal predecessors, (5420), 1556 states have call successors, (1556), 561 states have call predecessors, (1556), 557 states have return successors, (1574), 1516 states have call predecessors, (1574), 1554 states have call successors, (1574) [2021-11-13 01:45:39,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6666 states to 6666 states and 8550 transitions. [2021-11-13 01:45:39,767 INFO L78 Accepts]: Start accepts. Automaton has 6666 states and 8550 transitions. Word has length 161 [2021-11-13 01:45:39,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:39,767 INFO L470 AbstractCegarLoop]: Abstraction has 6666 states and 8550 transitions. [2021-11-13 01:45:39,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-13 01:45:39,768 INFO L276 IsEmpty]: Start isEmpty. Operand 6666 states and 8550 transitions. [2021-11-13 01:45:39,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-13 01:45:39,769 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:39,770 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:45:39,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-11-13 01:45:39,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:45:39,970 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-13 01:45:39,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:39,971 INFO L85 PathProgramCache]: Analyzing trace with hash -328901945, now seen corresponding path program 1 times [2021-11-13 01:45:39,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:45:39,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [692224547] [2021-11-13 01:45:39,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:39,973 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:45:39,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:45:39,973 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:45:39,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95743b46-f7a4-46f4-a1d0-51cda602a4ff/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-13 01:53:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 01:53:40,788 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.